Merge remote-tracking branch 'stjr/next' into patch-refactor

2024-11-15 09:11:48 +00:00 · 2023-11-07 00:56:28 -03:00 · 2023-11-07 00:56:28 -03:00 · 376022f3d7
commit 376022f3d7
parent c09305de62 5fc7a5c2da
66 changed files with 1779 additions and 1429 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -1,15 +1,17 @@
 #Source code
+/Makefile text=auto
 /src/*.c text=auto
 /src/*.h text=auto
 /src/*.s text=auto
 /src/*.m text=auto
 /src/*.xpm text=auto
 /src/Makefile text=auto
+/tools/Makefile text=auto
 /src/Make*.cfg text=auto
 /src/CMakeLists.txt text=auto
+*.mk -whitespace text=auto
 # Windows EOL
 *.cs -crlf -whitespace
-*.mk -crlf -whitespace
 *.bat -crlf -whitespace
 *.dev -crlf -whitespace
 *.dsp -crlf -whitespace
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@ -0,0 +1,505 @@
+variables:
+  GIT_STRATEGY: clone
+  GIT_CLONE_PATH: $CI_BUILDS_DIR/$CI_CONCURRENT_ID/$CI_PROJECT_PATH
+
+default:
+  image: debian:stable-slim
+
+  cache:
+    - key: ccache-$CI_PROJECT_PATH_SLUG-$CI_JOB_NAME_SLUG
+      fallback_keys:
+        - cache-$CI_PROJECT_PATH_SLUG-$CI_DEFAULT_BRANCH
+        - cache-$CI_PROJECT_PATH_SLUG-default
+      paths:
+        - ccache
+        - ccache_statslog
+
+    - key: apt-$CI_JOB_IMAGE
+      paths:
+        - apt-cache
+      unprotect: true
+
+  before_script:
+    - - |
+         # debconf
+         echo -e "\e[0Ksection_start:`date +%s`:debconf[collapsed=true]\r\e[0KSetup debconf's environment"
+      - export DEBIAN_FRONTEND="noninteractive"
+      - export DEBIAN_PRIORITY="low"
+      - export DEBCONF_NONINTERACTIVE_SEEN="true"
+      - |
+          # debconf
+          echo -e "\e[0Ksection_end:`date +%s`:debconf\r\e[0K"
+    - - |
+          # dpkg_aa
+          echo -e "\e[0Ksection_start:`date +%s`:dpkg_aa[collapsed=true]\r\e[0KAdding architectures to dpkg"
+      - dpkg --add-architecture i386
+      - dpkg --add-architecture amd64
+      - dpkg --add-architecture arm64
+      - |
+          # dpkg_aa
+          echo -e "\e[0Ksection_end:`date +%s`:dpkg_aa\r\e[0K"
+    - - |
+          # apt_conf
+          echo -e "\e[0Ksection_start:`date +%s`:apt_conf[collapsed=true]\r\e[0KSetting up APT conf"
+      - export APT_CACHE_DIR=`pwd`/apt-cache
+      - mkdir --parents --verbose $APT_CACHE_DIR/partial/
+      - touch /etc/apt/apt.conf.d/99build
+      - |
+          # apt.conf
+          echo Adding options to apt.conf':'
+      - |
+          # APT::Install-Recommends
+          echo APT::Install-Recommends "false"\;       | tee --append /etc/apt/apt.conf.d/99build
+      - |
+          # quit
+          echo quiet "1"\;                             | tee --append /etc/apt/apt.conf.d/99build
+      - |
+          # APT::Get::Assume-Yes
+          echo APT::Get::Assume-Yes "true"\;           | tee --append /etc/apt/apt.conf.d/99build
+      - |
+          # Dir::Cache::Archives
+          echo Dir::Cache::Archives "$APT_CACHE_DIR"\; | tee --append /etc/apt/apt.conf.d/99build
+      - |
+          # apt_conf
+          echo -e "\e[0Ksection_end:`date +%s`:apt_conf\r\e[0K"
+    - - |
+          # apt_update
+          echo -e "\e[0Ksection_start:`date +%s`:apt_update[collapsed=true]\r\e[0KUpdating APT listing"
+      - apt-get update
+      - |
+          # apt_update
+          echo -e "\e[0Ksection_end:`date +%s`:apt_update\r\e[0K"
+
+    - - |
+          # apt_pre
+          echo -e "\e[0Ksection_start:`date +%s`:apt_pre[collapsed=true]\r\e[0KInstalling pre packages"
+      - apt-get install apt-utils
+      - |
+          # apt_pre
+          echo -e "\e[0Ksection_end:`date +%s`:apt_pre\r\e[0K"
+
+    - - |
+          # apt_upgrade
+          echo -e "\e[0Ksection_start:`date +%s`:apt_upgrade[collapsed=true]\r\e[0KUpdating existing packages"
+      - apt-get upgrade
+      - |
+          # apt_update
+          echo -e "\e[0Ksection_end:`date +%s`:apt_upgrade\r\e[0K"
+
+    - - |
+          # apt_common
+          echo -e "\e[0Ksection_start:`date +%s`:apt_common[collapsed=true]\r\e[0KInstalling common packages"
+      - apt-get install make git ccache nasm
+      - |
+          # apt_common
+          echo -e "\e[0Ksection_end:`date +%s`:apt_common\r\e[0K"
+
+    - - |
+          # ccache_config
+          echo -e "\e[0Ksection_start:`date +%s`:ccache_config[collapsed=true]\r\e[0KSetting up ccache config"
+      - mkdir --parents --verbose ~/.ccache/
+      - touch ~/.ccache/ccache.conf
+      - |
+          # cache.conf
+          echo Adding ccache configution option
+      - |
+          # base_dir
+          echo base_dir = $PWD                  | tee --append ~/.ccache/ccache.conf
+      - |
+          # cache_dir
+          echo cache_dir = $PWD/ccache          | tee --append ~/.ccache/ccache.conf
+      - |
+          # compiler_check
+          echo compiler_check = content         | tee --append ~/.ccache/ccache.conf
+      - |
+          # stats_log
+          echo stats_log = $PWD/ccache_statslog | tee --append ~/.ccache/ccache.conf
+      - |
+          # max_size
+          echo max_size = 50M                   | tee --append ~/.ccache/ccache.conf
+      - |
+          # ccache_config
+          echo -e "\e[0Ksection_end:`date +%s`:ccache_config\r\e[0K"
+
+    - - |
+          # cache_reset
+          echo -e "\e[0Ksection_start:`date +%s`:ccache_reset[collapsed=true]\r\e[0KResetting ccache statistics"
+      - ccache --zero-stats
+      - ccache --show-stats
+      - |
+          # ccache_reset
+          echo -e "\e[0Ksection_end:`date +%s`:ccache_reset\r\e[0K"
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-$CI_JOB_NAME_SLUG"
+
+  after_script:
+    - - |
+           # apt_clean
+           echo -e "\e[0Ksection_start:`date +%s`:apt_clean[collapsed=true]\r\e[0KCleaning of unneeded APT packages"
+      - apt-get autoclean
+      - |
+          # apt_clean
+          echo -e "\e[0Ksection_end:`date +%s`:apt_clean\r\e[0K"
+
+    - - |
+          # ccache_stats
+          echo -e "\e[0Ksection_start:`date +%s`:ccache_stats[collapsed=true]\r\e[0Kccache statistics:"
+      - ccache --show-stats --verbose
+      - ccache --show-log-stats --verbose
+      - |
+          # ccahe_stats
+          echo -e "\e[0Ksection_end:`date +%s`:ccache_stats\r\e[0K"
+
+stages:
+  - build
+
+Debian testing GCC:
+  stage: build
+
+  when: manual
+
+  image: debian:testing-slim
+
+  allow_failure: true
+
+  artifacts:
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-testing-gcc"
+
+  variables:
+    CC: gcc
+    LDFLAGS: -Wl,-fuse-ld=gold
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install libsdl2-mixer-dev libpng-dev libcurl4-openssl-dev libgme-dev libopenmpt-dev
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Windows x86:
+  stage: build
+
+  when: on_success
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    expose_as: "Win32"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-Win32"
+
+  variables:
+    PREFIX: i686-w64-mingw32
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc-mingw-w64-i686-win32
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 MINGW=1 SDL=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 MINGW=1 SDL=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian stable:amd64:
+  stage: build
+
+  when: on_success
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    expose_as: "Debian amd64"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-x86-64"
+
+  variables:
+    CC: x86_64-linux-gnu-gcc
+    LDFLAGS: -Wl,-fuse-ld=gold
+    OBJCOPY: x86_64-linux-gnu-objcopy
+    OBJDUMP: x86_64-linux-gnu-objdump
+    PKG_CONFIG_PATH: /usr/lib/x86_64-linux-gnu/pkgconfig
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc-x86-64-linux-gnu || apt-get install gcc
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install libsdl2-mixer-dev:amd64 libpng-dev:amd64 libcurl4-openssl-dev:amd64 libgme-dev:amd64 libopenmpt-dev:amd64
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX64=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX64=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian stable:i386:
+  stage: build
+
+  when: manual
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    expose_as: "Debian i386"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-i686"
+
+  variables:
+    CC: i686-linux-gnu-gcc
+    OBJCOPY: i686-linux-gnu-objcopy
+    OBJDUMP: i686-linux-gnu-objdump
+    PKG_CONFIG_PATH: /usr/lib/i386-linux-gnu/pkgconfig
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc-i686-linux-gnu || apt-get install gcc
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install libsdl2-mixer-dev:i386 libpng-dev:i386 libcurl4-openssl-dev:i386 libgme-dev:i386 libopenmpt-dev:i386
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian stable:arm64:
+  stage: build
+
+  when: manual
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    expose_as: "Debian arm64"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-aarch64"
+
+  variables:
+    CC: aarch64-linux-gnu-gcc
+    LDFLAGS: -Wl,-fuse-ld=gold
+    OBJCOPY: aarch64-linux-gnu-objcopy
+    OBJDUMP: aarch64-linux-gnu-objdump
+    PKG_CONFIG_PATH: /usr/lib/aarch64-linux-gnu/pkgconfig
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc-aarch64-linux-gnu || apt-get install gcc
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install libsdl2-mixer-dev:arm64 libpng-dev:arm64 libcurl4-openssl-dev:arm64 libgme-dev:arm64 libopenmpt-dev:arm64
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX64=1 ERRORMODE=1 NONX86=1C || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 LINUX64=1 NONX86=1 ARM64=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Windows x64:
+  stage: build
+
+  when: manual
+
+  artifacts:
+    paths:
+      - "bin/"
+      - "src/comptime.h"
+    expose_as: "Win64"
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-Win64"
+
+  variables:
+    PREFIX: x86_64-w64-mingw32
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc-mingw-w64-x86-64-win32
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 MINGW64=1 SDL=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 MINGW64=1 SDL=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian stable Clang:
+  stage: build
+
+  when: manual
+
+  allow_failure: true
+
+  artifacts:
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-clang"
+
+  variables:
+    CC: clang
+    WFLAGS: -Wno-cast-align
+    CFLAGS: -Wno-cast-align
+    LDFLAGS: -Wl,-fuse-ld=gold
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install clang
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install libsdl2-mixer-dev libpng-dev libcurl4-openssl-dev libgme-dev libopenmpt-dev
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian stable musl:
+  stage: build
+
+  when: manual
+
+  allow_failure: true
+
+  artifacts:
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-musl"
+
+  variables:
+    CC: musl-gcc
+    LDD: musl-ldd
+
+  script:
+    - - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_start:`date +%s`:apt_toolchain[collapsed=true]\r\e[0KInstalling toolchain packages"
+      - apt-get install gcc
+      - |
+          # apt_toolchain
+          echo -e "\e[0Ksection_end:`date +%s`:apt_toolchain\r\e[0K"
+
+    - - |
+          # apt_development
+          echo -e "\e[0Ksection_start:`date +%s`:apt_development[collapsed=true]\r\e[0KInstalling development packages"
+      - apt-get install musl-tools
+      - |
+          # apt_development
+          echo -e "\e[0Ksection_end:`date +%s`:apt_development\r\e[0K"
+
+    - - |
+          # make
+          echo -e "\e[0Ksection_start:`date +%s`:make[collapsed=false]\r\e[0KCompiling SRB2"
+      - make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1 SDL=0 NOHW=1 NOZLIB=1 NOCURL=1 NOGME=1 NOOPENMPT=1 || make --directory=src --keep-going CCACHE=1 ERRORMODE=1 NONX86=1 SDL=0 NOHW=1 NOZLIB=1 NOCURL=1 NOGME=1 NOOPENMPT=1
+      - |
+          # make
+          echo -e "\e[0Ksection_end:`date +%s`:make\r\e[0K"
+
+Debian testing Clang:
+  extends: Debian stable Clang
+
+  when: manual
+
+  image: debian:testing-slim
+
+  artifacts:
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-testing-clang"
+
+  variables:
+    CC: clang
+    WFLAGS: -Wno-cast-align -Wno-deprecated-non-prototype
+    CFLAGS: -Wno-cast-align -Wno-deprecated-non-prototype
+    LDFLAGS: -Wl,-fuse-ld=gold
+
+Debian testing musl:
+  extends: Debian stable musl
+
+  when: manual
+
+  image: debian:testing-slim
+
+  artifacts:
+    name: "$CI_PROJECT_PATH_SLUG-$CI_COMMIT_REF_SLUG-$CI_COMMIT_SHORT_SHA-testing-musl"
+
+  variables:
+    CC: musl-gcc
+    LDD: musl-ldd
+    LDFLAGS: -Wl,-fuse-ld=gold
--- a/cpdebug.mk
+++ b/cpdebug.mk
@ -3,12 +3,12 @@ ifdef ComSpec
 COMSPEC=$(ComSpec)
 endif
 ifdef COMSPEC
-OBJCOPY=objcopy.exe
-OBJDUMP=objdump.exe
+OBJCOPY?=objcopy.exe
+OBJDUMP?=objdump.exe
 GZIP?=gzip.exe
 else
-OBJCOPY=objcopy
-OBJDUMP=objdump
+OBJCOPY?=objcopy
+OBJDUMP?=objdump
 GZIP?=gzip
 endif
 DBGNAME=$(BIN).debug
--- a/src/Makefile
+++ b/src/Makefile
@ -140,9 +140,9 @@ endif

 OBJDUMP_OPTS?=--wide --source --line-numbers

-OBJCOPY:=$(call Prefix,objcopy)
-OBJDUMP:=$(call Prefix,objdump)
-WINDRES:=$(call Prefix,windres)
+OBJCOPY?=$(call Prefix,objcopy)
+OBJDUMP?=$(call Prefix,objdump)
+WINDRES?=$(call Prefix,windres)

 GZIP?=gzip
 GZIP_OPTS?=-9 -f -n
--- a/src/Makefile.d/detect.mk
+++ b/src/Makefile.d/detect.mk
@ -56,15 +56,18 @@ endif

 # This must have high to low order.
 gcc_versions:=\
-	102 101\
-	93 92 91\
-	84 83 82 81\
-	75 74 73 72 71\
-	64 63 62 61\
-	55 54 53 52 51\
+	132 131 130\
+	123 122 121 120\
+	114 113 112 111 110\
+	105 104 103 102 101 100\
+	95 94 93 92 91 90\
+	85 84 83 82 81 80\
+	75 74 73 72 71 70\
+	64 63 62 61 60\
+	55 54 53 52 51 50\
 	49 48 47 46 45 44 43 42 41 40

-latest_gcc_version:=10.2
+latest_gcc_version:=13.2

 # Automatically set version flag, but not if one was
 # manually set. And don't bother if this is a clean only
@ -74,13 +77,18 @@ ifeq (,$(call Wildvar,GCC% destructive))
 # can't use $(CC) --version here since that uses argv[0] to display the name
 # also gcc outputs the information to stderr, so I had to do 2>&1
 # this program really doesn't like identifying itself
-version:=$(shell $(CC) -v 2>&1)
+shellversion:=$(shell $(CC) -v 2>&1)
+# Try to remove "-win32"
+version:=$(subst -win32,.0,$(shellversion))

 # check if this is in fact GCC
 ifneq (,$(findstring gcc version,$(version)))

 # in stark contrast to the name, gcc will give me a nicely formatted version number for free
-version:=$(shell $(CC) -dumpfullversion)
+shellversion:=$(shell $(CC) -dumpfullversion)
+
+# Try to remove "-win32"
+version:=$(subst -win32,.0,$(shellversion))

 # Turn version into words of major, minor
 v:=$(subst ., ,$(version))
--- a/src/Makefile.d/features.mk
+++ b/src/Makefile.d/features.mk
@ -1,66 +1,66 @@
-#
-# Makefile for feature flags.
-#
-
-passthru_opts+=\
-	NO_IPV6 NOHW NOMD5 NOPOSTPROCESSING\
-	MOBJCONSISTANCY PACKETDROP ZDEBUG\
-	HAVE_MINIUPNPC\
-
-# build with debugging information
-ifdef DEBUGMODE
-PACKETDROP=1
-opts+=-DPARANOIA -DRANGECHECK
-endif
-
-ifndef NOHW
-opts+=-DHWRENDER
-sources+=$(call List,hardware/Sourcefile)
-endif
-
-ifndef NOMD5
-sources+=md5.c
-endif
-
-ifndef NOZLIB
-ifndef NOPNG
-ifdef PNG_PKGCONFIG
-$(eval $(call Use_pkg_config,PNG_PKGCONFIG))
-else
-PNG_CONFIG?=$(call Prefix,libpng-config)
-$(eval $(call Configure,PNG,$(PNG_CONFIG) \
-	$(if $(PNG_STATIC),--static),,--ldflags))
-endif
-ifdef LINUX
-opts+=-D_LARGEFILE64_SOURCE
-endif
-opts+=-DHAVE_PNG
-sources+=apng.c
-endif
-endif
-
-ifndef NOCURL
-CURLCONFIG?=curl-config
-$(eval $(call Configure,CURL,$(CURLCONFIG)))
-opts+=-DHAVE_CURL
-endif
-
-ifdef HAVE_MINIUPNPC
-libs+=-lminiupnpc
-endif
-
-# (Valgrind is a memory debugger.)
-ifdef VALGRIND
-VALGRIND_PKGCONFIG?=valgrind
-$(eval $(call Use_pkg_config,VALGRIND))
-ZDEBUG=1
-opts+=-DHAVE_VALGRIND
-endif
-
-default_packages:=\
-	GME/libgme/LIBGME\
-	OPENMPT/libopenmpt/LIBOPENMPT\
-	ZLIB/zlib\
-
-$(foreach p,$(default_packages),\
-	$(eval $(call Check_pkg_config,$(p))))
+#
+# Makefile for feature flags.
+#
+
+passthru_opts+=\
+	NO_IPV6 NOHW NOMD5 NOPOSTPROCESSING\
+	MOBJCONSISTANCY PACKETDROP ZDEBUG\
+	HAVE_MINIUPNPC\
+
+# build with debugging information
+ifdef DEBUGMODE
+PACKETDROP=1
+opts+=-DPARANOIA -DRANGECHECK
+endif
+
+ifndef NOHW
+opts+=-DHWRENDER
+sources+=$(call List,hardware/Sourcefile)
+endif
+
+ifndef NOMD5
+sources+=md5.c
+endif
+
+ifndef NOZLIB
+ifndef NOPNG
+ifdef PNG_PKGCONFIG
+$(eval $(call Use_pkg_config,PNG_PKGCONFIG))
+else
+PNG_CONFIG?=$(call Prefix,libpng-config)
+$(eval $(call Configure,PNG,$(PNG_CONFIG) \
+	$(if $(PNG_STATIC),--static),,--ldflags))
+endif
+ifdef LINUX
+opts+=-D_LARGEFILE64_SOURCE
+endif
+opts+=-DHAVE_PNG
+sources+=apng.c
+endif
+endif
+
+ifndef NOCURL
+CURLCONFIG?=curl-config
+$(eval $(call Configure,CURL,$(CURLCONFIG)))
+opts+=-DHAVE_CURL
+endif
+
+ifdef HAVE_MINIUPNPC
+libs+=-lminiupnpc
+endif
+
+# (Valgrind is a memory debugger.)
+ifdef VALGRIND
+VALGRIND_PKGCONFIG?=valgrind
+$(eval $(call Use_pkg_config,VALGRIND))
+ZDEBUG=1
+opts+=-DHAVE_VALGRIND
+endif
+
+default_packages:=\
+	GME/libgme/LIBGME\
+	OPENMPT/libopenmpt/LIBOPENMPT\
+	ZLIB/zlib\
+
+$(foreach p,$(default_packages),\
+	$(eval $(call Check_pkg_config,$(p))))
--- a/src/console.c
+++ b/src/console.c
@ -543,13 +543,13 @@ static void CON_RecalcSize(void)
 		con_scalefactor = 1;
 		break;
 	case V_SMALLSCALEPATCH:
-		con_scalefactor = vid.smalldupx;
+		con_scalefactor = vid.smalldup;
 		break;
 	case V_MEDSCALEPATCH:
-		con_scalefactor = vid.meddupx;
+		con_scalefactor = vid.meddup;
 		break;
 	default:	// Full scaling
-		con_scalefactor = vid.dupx;
+		con_scalefactor = vid.dup;
 		break;
 	}

@ -667,7 +667,7 @@ static void CON_MoveConsole(void)
 	}

 	// Not instant - Increment fracmovement fractionally
-	fracmovement += FixedMul(cons_speed.value*vid.fdupy, renderdeltatics);
+	fracmovement += FixedMul(cons_speed.value*vid.fdup, renderdeltatics);

 	if (con_curlines < con_destlines) // Move the console downwards
 	{
@ -1764,9 +1764,9 @@ static void CON_DrawBackpic(void)
 	con_backpic = W_CachePatchNum(piclump, PU_PATCH);

 	// Center the backpic, and draw a vertically cropped patch.
-	w = (con_backpic->width * vid.dupx);
+	w = con_backpic->width * vid.dup;
 	x = (vid.width / 2) - (w / 2);
-	h = con_curlines/vid.dupy;
+	h = con_curlines/vid.dup;

 	// If the patch doesn't fill the entire screen,
 	// then fill the sides with a solid color.
--- a/src/d_main.c
+++ b/src/d_main.c
@ -1614,6 +1614,9 @@ void D_SRB2Main(void)
 	if (D_CheckNetGame())
 		autostart = true;

+	if (!dedicated)
+		pickedchar = R_SkinAvailable(cv_defaultskin.string);
+
 	// check for a driver that wants intermission stats
 	// start the apropriate game based on parms
 	if (M_CheckParm("-metal"))
@ -1627,8 +1630,6 @@ void D_SRB2Main(void)
 		autostart = true;
 	}

-	pickedchar = R_SkinAvailable(cv_defaultskin.string);
-
 	// user settings come before "+" parameters.
 	if (dedicated)
 		COM_ImmedExecute(va("exec \"%s"PATHSEP"adedserv.cfg\"\n", srb2home));
--- a/src/d_player.h
+++ b/src/d_player.h
@ -607,6 +607,7 @@ typedef struct player_s

 	tic_t jointime; // Timer when player joins game to change skin/color
 	tic_t quittime; // Time elapsed since user disconnected, zero if connected
+	tic_t lastinputtime; // the last tic the player has made any input
 #ifdef HWRENDER
 	fixed_t fovadd; // adjust FOV for hw rendering
 #endif
--- a/src/deh_lua.c
+++ b/src/deh_lua.c
@ -297,7 +297,8 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word)
 			CacheAndPushConstant(L, word, (lua_Integer)PF_FULLSTASIS);
 			return 1;
 		}
-		else if (fastcmp(p, "USEDOWN")) // Remove case when 2.3 nears release...
+		// TODO: 2.3: Delete this alias
+		else if (fastcmp(p, "USEDOWN"))
 		{
 			CacheAndPushConstant(L, word, (lua_Integer)PF_SPINDOWN);
 			return 1;
@ -583,7 +584,8 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word)
 		return 0;
 	}

-	if (fastcmp(word, "BT_USE")) // Remove case when 2.3 nears release...
+	// TODO: 2.3: Delete this alias
+	if (fastcmp(word, "BT_USE"))
 	{
 		CacheAndPushConstant(L, word, (lua_Integer)BT_SPIN);
 		return 1;
@ -771,8 +773,7 @@ int LUA_SOCLib(lua_State *L)
 	lua_register(L,"getActionName",lib_getActionName);

 	luaL_newmetatable(L, META_ACTION);
-		lua_pushcfunction(L, action_call);
-		lua_setfield(L, -2, "__call");
+		LUA_SetCFunctionField(L, "__call", action_call);
 	lua_pop(L, 1);

 	return 0;
--- a/src/deh_soc.c
+++ b/src/deh_soc.c
@ -911,6 +911,7 @@ static void readspriteframe(MYFILE *f, spriteinfo_t *sprinfo, UINT8 frame)
 				sprinfo->pivot[frame].x = value;
 			else if (fastcmp(word, "YPIVOT"))
 				sprinfo->pivot[frame].y = value;
+			// TODO: 2.3: Delete
 			else if (fastcmp(word, "ROTAXIS"))
 				deh_warning("SpriteInfo: ROTAXIS is deprecated and will be removed.");
 			else
@ -1617,6 +1618,7 @@ void readlevelheader(MYFILE *f, INT32 num)
 						sizeof(mapheaderinfo[num-1]->musname), va("Level header %d: music", num));
 				}
 			}
+			// TODO: 2.3: Delete
 			else if (fastcmp(word, "MUSICSLOT"))
 				deh_warning("Level header %d: MusicSlot parameter is deprecated and will be removed.\nUse \"Music\" instead.", num);
 			else if (fastcmp(word, "MUSICTRACK"))
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@ -1933,6 +1933,13 @@ const char *const STATE_LIST[] = { // array length left dynamic for sanity testi
 	"S_SMALLGRABCHAIN",
 	"S_BIGGRABCHAIN",

+	// Blue spring on a ball
+	"S_BLUESPRINGBALL",
+	"S_BLUESPRINGBALL2",
+	"S_BLUESPRINGBALL3",
+	"S_BLUESPRINGBALL4",
+	"S_BLUESPRINGBALL5",
+
 	// Yellow spring on a ball
 	"S_YELLOWSPRINGBALL",
 	"S_YELLOWSPRINGBALL2",
@ -3891,6 +3898,7 @@ const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for sanity t
 	"MT_BIGMACE", // Big Mace
 	"MT_SMALLGRABCHAIN", // Small Grab Chain
 	"MT_BIGGRABCHAIN", // Big Grab Chain
+	"MT_BLUESPRINGBALL", // Blue spring on a ball
 	"MT_YELLOWSPRINGBALL", // Yellow spring on a ball
 	"MT_REDSPRINGBALL", // Red spring on a ball
 	"MT_SMALLFIREBAR", // Small Firebar
--- a/src/dummy/i_system.c
+++ b/src/dummy/i_system.c
@ -14,13 +14,18 @@ size_t I_GetFreeMem(size_t *total)
 	return 0;
 }

-void I_Sleep(UINT32 ms){}
+void I_Sleep(UINT32 ms)
+{
+	(void)ms;
+}

-precise_t I_GetPreciseTime(void) {
+precise_t I_GetPreciseTime(void)
+{
 	return 0;
 }

-UINT64 I_GetPrecisePrecision(void) {
+UINT64 I_GetPrecisePrecision(void)
+{
 	return 1000000;
 }

@ -182,10 +187,12 @@ const char *I_ClipboardPaste(void)

 size_t I_GetRandomBytes(char *destination, size_t amount)
 {
+	(void)destination;
+	(void)amount;
 	return 0;
 }

-void I_RegisterSysCommands(void) {}
+void I_RegisterSysCommands(void){}

 void I_GetCursorPosition(INT32 *x, INT32 *y)
 {
--- a/src/f_finale.c
+++ b/src/f_finale.c
@ -1327,7 +1327,7 @@ void F_CreditDrawer(void)
 			y += 12<<FRACBITS;
 			break;
 		}
-		if (FixedMul(y,vid.dupy) > vid.height)
+		if (FixedMul(y,vid.dup) > vid.height)
 			break;
 	}
 }
@ -1362,7 +1362,7 @@ void F_CreditTicker(void)
 			case 1: y += 30<<FRACBITS; break;
 			default: y += 12<<FRACBITS; break;
 		}
-		if (FixedMul(y,vid.dupy) > vid.height)
+		if (FixedMul(y,vid.dup) > vid.height)
 			break;
 	}

@ -2082,7 +2082,7 @@ void F_EndingDrawer(void)
 		if (goodending && finalecount >= TICRATE && finalecount < INFLECTIONPOINT)
 		{
 			INT32 workingtime = finalecount - TICRATE;
-			fixed_t radius = ((vid.width/vid.dupx)*(INFLECTIONPOINT - TICRATE - workingtime))/(INFLECTIONPOINT - TICRATE);
+			fixed_t radius = ((vid.width/vid.dup)*(INFLECTIONPOINT - TICRATE - workingtime))/(INFLECTIONPOINT - TICRATE);
 			angle_t fa;
 			INT32 eemeralds_cur[4];
 			char patchname[7] = "CEMGx0";
@ -2287,7 +2287,6 @@ void F_InitMenuPresValues(void)
 void F_SkyScroll(const char *patchname)
 {
 	INT32 x, basey = 0;
-	INT32 dupz = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy);
 	patch_t *pat;

 	if (rendermode == render_none)
@ -2315,17 +2314,17 @@ void F_SkyScroll(const char *patchname)
 	curbgy %= pat->height * 16;

 	// Ooh, fancy frame interpolation
-	x     = ((curbgx*dupz) + FixedInt((rendertimefrac-FRACUNIT) * curbgxspeed*dupz)) / 16;
-	basey = ((curbgy*dupz) + FixedInt((rendertimefrac-FRACUNIT) * curbgyspeed*dupz)) / 16;
+	x     = ((curbgx*vid.dup) + FixedInt((rendertimefrac-FRACUNIT) * curbgxspeed*vid.dup)) / 16;
+	basey = ((curbgy*vid.dup) + FixedInt((rendertimefrac-FRACUNIT) * curbgyspeed*vid.dup)) / 16;

 	if (x     > 0) // Make sure that we don't leave the left or top sides empty
-		x     -= pat->width  * dupz;
+		x     -= pat->width  * vid.dup;
 	if (basey > 0)
-		basey -= pat->height * dupz;
+		basey -= pat->height * vid.dup;

-	for (; x < vid.width; x += pat->width * dupz)
+	for (; x < vid.width; x += pat->width * vid.dup)
 	{
-		for (INT32 y = basey; y < vid.height; y += pat->height * dupz)
+		for (INT32 y = basey; y < vid.height; y += pat->height * vid.dup)
 			V_DrawScaledPatch(x, y, V_NOSCALESTART, pat);
 	}

@ -2603,7 +2602,7 @@ static void F_LoadAlacroixGraphics(SINT8 newttscale)

 static void F_FigureActiveTtScale(void)
 {
-	SINT8 newttscale = max(1, min(6, vid.dupx));
+	SINT8 newttscale = max(1, min(6, vid.dup));
 	SINT8 oldttscale = activettscale;

 	if (newttscale == testttscale)
@ -4095,7 +4094,7 @@ static fixed_t F_GetPromptHideHudBound(void)
 	F_GetPageTextGeometry(&pagelines, &rightside, &boxh, &texth, &texty, &namey, &chevrony, &textx, &textr);

 	// calc boxheight (see V_DrawPromptBack)
-	boxh *= vid.dupy;
+	boxh *= vid.dup;
 	boxh = (boxh * 4) + (boxh/2)*5; // 4 lines of space plus gaps between and some leeway

 	// return a coordinate to check
--- a/src/g_demo.c
+++ b/src/g_demo.c
@ -1492,8 +1492,9 @@ void G_BeginRecording(void)
 	demo_p += 16;

 	// Skin
-	for (i = 0; i < 16 && cv_skin.string[i]; i++)
-		name[i] = cv_skin.string[i];
+	const char *skinname = skins[players[0].skin].name;
+	for (i = 0; i < 16 && skinname[i]; i++)
+		name[i] = skinname[i];
 	for (; i < 16; i++)
 		name[i] = '\0';
 	M_Memcpy(demo_p,name,16);
@ -1891,16 +1892,9 @@ UINT8 G_CmpDemoTime(char *oldname, char *newname)
 	p++; // VERSION
 	p++; // SUBVERSION
 	oldversion = READUINT16(p);
-	switch(oldversion) // demoversion
+	if (oldversion < 0x000c || oldversion > DEMOVERSION)
 	{
-	case DEMOVERSION: // latest always supported
-	case 0x000f: // The previous demoversions also supported
-	case 0x000e:
-	case 0x000d: // all that changed between then and now was longer color name
-	case 0x000c:
-		break;
-	// too old, cannot support.
-	default:
+		// too old (or new), cannot support
 		CONS_Alert(CONS_NOTICE, M_GetText("File '%s' invalid format. It will be overwritten.\n"), oldname);
 		Z_Free(buffer);
 		return UINT8_MAX;
@ -1973,14 +1967,11 @@ void G_DoPlayDemo(char *defdemoname)
 	UINT8 i;
 	lumpnum_t l;
 	char skin[17],color[MAXCOLORNAME+1],*n,*pdemoname;
-	UINT8 version,subversion,charability,charability2,thrustfactor,accelstart,acceleration,cnamelen;
+	UINT8 version,subversion,charability,charability2,thrustfactor,accelstart,acceleration;
 	pflags_t pflags;
 	UINT32 randseed, followitem;
 	fixed_t camerascale,shieldscale,actionspd,mindash,maxdash,normalspeed,runspeed,jumpfactor,height,spinheight;
 	char msg[1024];
-#ifdef OLD22DEMOCOMPAT
-	boolean use_old_demo_vars = false;
-#endif

 	skin[16] = '\0';
 	color[MAXCOLORNAME] = '\0';
@ -2039,23 +2030,13 @@ void G_DoPlayDemo(char *defdemoname)
 	subversion = READUINT8(demo_p);
 	demoversion = READUINT16(demo_p);
 	demo_forwardmove_rng = (demoversion < 0x0010);
-	switch(demoversion)
-	{
-	case 0x000f:
-	case 0x000d:
-	case 0x000e:
-	case DEMOVERSION: // latest always supported
-		cnamelen = MAXCOLORNAME;
-		break;
 #ifdef OLD22DEMOCOMPAT
-	// all that changed between then and now was longer color name
-	case 0x000c:
-		cnamelen = 16;
-		use_old_demo_vars = true;
-		break;
+	if (demoversion < 0x000c || demoversion > DEMOVERSION)
+#else
+	if (demoversion < 0x000d || demoversion > DEMOVERSION)
 #endif
-	// too old, cannot support.
-	default:
+	{
+		// too old (or new), cannot support
 		snprintf(msg, 1024, M_GetText("%s is an incompatible replay format and cannot be played.\n"), pdemoname);
 		CONS_Alert(CONS_ERROR, "%s", msg);
 		M_StartMessage(msg, NULL, MM_NOTHING);
@ -2182,8 +2163,8 @@ void G_DoPlayDemo(char *defdemoname)
 	demo_p += 16;

 	// Color
-	M_Memcpy(color,demo_p,cnamelen);
-	demo_p += cnamelen;
+	M_Memcpy(color, demo_p, (demoversion < 0x000d) ? 16 : MAXCOLORNAME);
+	demo_p += (demoversion < 0x000d) ? 16 : MAXCOLORNAME;

 	charability = READUINT8(demo_p);
 	charability2 = READUINT8(demo_p);
@ -2219,7 +2200,7 @@ void G_DoPlayDemo(char *defdemoname)

 	// net var data
 #ifdef OLD22DEMOCOMPAT
-	if (use_old_demo_vars)
+	if (demoversion < 0x000d)
 		CV_LoadOldDemoVars(&demo_p);
 	else
 #endif
@ -2352,19 +2333,13 @@ UINT8 G_CheckDemoForError(char *defdemoname)
 	demo_p++; // version
 	demo_p++; // subversion
 	our_demo_version = READUINT16(demo_p);
-	switch(our_demo_version)
-	{
-	case 0x000d:
-	case 0x000e:
-	case 0x000f:
-	case DEMOVERSION: // latest always supported
-		break;
 #ifdef OLD22DEMOCOMPAT
-	case 0x000c:
-		break;
+	if (our_demo_version < 0x000c || our_demo_version > DEMOVERSION)
+#else
+	if (our_demo_version < 0x000d || our_demo_version > DEMOVERSION)
 #endif
-	// too old, cannot support.
-	default:
+	{
+		// too old (or new), cannot support
 		return DFILE_ERROR_NOTDEMO;
 	}
 	demo_p += 16; // demo checksum
@ -2386,7 +2361,6 @@ void G_AddGhost(char *defdemoname)
 	INT32 i;
 	lumpnum_t l;
 	char name[17],skin[17],color[MAXCOLORNAME+1],*n,*pdemoname,md5[16];
-	UINT8 cnamelen;
 	demoghost *gh;
 	UINT8 flags, subversion;
 	UINT8 *buffer,*p;
@ -2438,20 +2412,9 @@ void G_AddGhost(char *defdemoname)
 	p++; // VERSION
 	subversion = READUINT8(p); // SUBVERSION
 	ghostversion = READUINT16(p);
-	switch(ghostversion)
+	if (ghostversion < 0x000c || ghostversion > DEMOVERSION)
 	{
-	case 0x000f:
-	case 0x000d:
-	case 0x000e:
-	case DEMOVERSION: // latest always supported
-		cnamelen = MAXCOLORNAME;
-		break;
-	// all that changed between then and now was longer color name
-	case 0x000c:
-		cnamelen = 16;
-		break;
-	// too old, cannot support.
-	default:
+		// too old (or new), cannot support
 		CONS_Alert(CONS_NOTICE, M_GetText("Ghost %s: Demo version incompatible.\n"), pdemoname);
 		Z_Free(pdemoname);
 		Z_Free(buffer);
@ -2514,8 +2477,8 @@ void G_AddGhost(char *defdemoname)
 	p += 16;

 	// Color
-	M_Memcpy(color, p,cnamelen);
-	p += cnamelen;
+	M_Memcpy(color, p, (ghostversion < 0x000d) ? 16 : MAXCOLORNAME);
+	p += (ghostversion < 0x000d) ? 16 : MAXCOLORNAME;

 	// Ghosts do not have a player structure to put this in.
 	p++; // charability
@ -2698,16 +2661,9 @@ void G_DoPlayMetal(void)
 	metal_p++; // VERSION
 	metal_p++; // SUBVERSION
 	metalversion = READUINT16(metal_p);
-	switch(metalversion)
+	if (metalversion < 0x000c || metalversion > DEMOVERSION)
 	{
-	case DEMOVERSION: // latest always supported
-	case 0x000f:
-	case 0x000e: // There are checks wheter the momentum is from older demo versions or not
-	case 0x000d: // all that changed between then and now was longer color name
-	case 0x000c:
-		break;
-	// too old, cannot support.
-	default:
+		// too old (or new), cannot support
 		CONS_Alert(CONS_WARNING, M_GetText("Failed to load bot recording for this map, format version incompatible.\n"));
 		Z_Free(metalbuffer);
 		return;
--- a/src/g_game.c
+++ b/src/g_game.c
@ -51,6 +51,7 @@
 #include "r_fps.h" // frame interpolation/uncapped

 #include "lua_hud.h"
+#include "lua_libs.h"

 gameaction_t gameaction;
 gamestate_t gamestate = GS_NULL;
@ -1170,7 +1171,7 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	// why build a ticcmd if we're paused?
 	// Or, for that matter, if we're being reborn.
 	// ...OR if we're blindfolded. No looking into the floor.
-	if (paused || P_AutoPause() || (gamestate == GS_LEVEL && (player->playerstate == PST_REBORN || ((gametyperules & GTR_TAG)
+	if (ignoregameinputs || paused || P_AutoPause() || (gamestate == GS_LEVEL && (player->playerstate == PST_REBORN || ((gametyperules & GTR_TAG)
 	&& (leveltime < hidetime * TICRATE) && (player->pflags & PF_TAGIT)))))
 	{//@TODO splitscreen player
 		cmd->angleturn = ticcmd_oldangleturn[forplayer];
@ -4346,7 +4347,7 @@ void G_LoadGameSettings(void)
 }

 #define GAMEDATA_ID 0x86E4A27C // Change every major version, as usual
-#define COMPAT_GAMEDATA_ID 0xFCAFE211 // Can be removed entirely for 2.3
+#define COMPAT_GAMEDATA_ID 0xFCAFE211 // TODO: 2.3: Delete

 // G_LoadGameData
 // Loads the main data file, which stores information such as emblems found, etc.
--- a/src/g_input.c
+++ b/src/g_input.c
@ -18,6 +18,8 @@
 #include "hu_stuff.h" // need HUFONT start & end
 #include "netcode/d_net.h"
 #include "console.h"
+#include "lua_script.h"
+#include "lua_libs.h"

 #define MAXMOUSESENSITIVITY 100 // sensitivity steps

@ -116,7 +118,10 @@ void G_MapEventsToControls(event_t *ev)
 	{
 		case ev_keydown:
 			if (ev->key < NUMINPUTS)
-				gamekeydown[ev->key] = 1;
+			{
+				if (!ignoregameinputs)
+					gamekeydown[ev->key] = 1;
+			}
 #ifdef PARANOIA
 			else
 			{
@ -144,7 +149,7 @@ void G_MapEventsToControls(event_t *ev)

 		case ev_joystick: // buttons are virtual keys
 			i = ev->key;
-			if (i >= JOYAXISSET || menuactive || CON_Ready() || chat_on)
+			if (i >= JOYAXISSET || menuactive || CON_Ready() || chat_on || ignoregameinputs)
 				break;
 			if (ev->x != INT32_MAX) joyxmove[i] = ev->x;
 			if (ev->y != INT32_MAX) joyymove[i] = ev->y;
@ -152,7 +157,7 @@ void G_MapEventsToControls(event_t *ev)

 		case ev_joystick2: // buttons are virtual keys
 			i = ev->key;
-			if (i >= JOYAXISSET || menuactive || CON_Ready() || chat_on)
+			if (i >= JOYAXISSET || menuactive || CON_Ready() || chat_on || ignoregameinputs)
 				break;
 			if (ev->x != INT32_MAX) joy2xmove[i] = ev->x;
 			if (ev->y != INT32_MAX) joy2ymove[i] = ev->y;
@ -997,7 +1002,7 @@ static void setcontrol(INT32 (*gc)[2])
 	INT32 player = ((void*)gc == (void*)&gamecontrolbis ? 1 : 0);
 	boolean nestedoverride = false;

-	// Update me for 2.3
+	// TODO: 2.3: Delete the "use" alias
 	namectrl = (stricmp(COM_Argv(1), "use")) ? COM_Argv(1) : "spin";

 	for (numctrl = 0; numctrl < NUM_GAMECONTROLS && stricmp(namectrl, gamecontrolname[numctrl]);
--- a/src/hardware/hw_batching.c
+++ b/src/hardware/hw_batching.c
@ -42,10 +42,10 @@ int unsortedVertexArrayAllocSize = 65536;
 // Call HWR_RenderBatches to render all the collected geometry.
 void HWR_StartBatching(void)
 {
-    if (currently_batching)
-        I_Error("Repeat call to HWR_StartBatching without HWR_RenderBatches");
+	if (currently_batching)
+		I_Error("Repeat call to HWR_StartBatching without HWR_RenderBatches");

-    // init arrays if that has not been done yet
+	// init arrays if that has not been done yet
 	if (!finalVertexArray)
 	{
 		finalVertexArray = malloc(finalVertexArrayAllocSize * sizeof(FOutVector));
@ -55,7 +55,7 @@ void HWR_StartBatching(void)
 		unsortedVertexArray = malloc(unsortedVertexArrayAllocSize * sizeof(FOutVector));
 	}

-    currently_batching = true;
+	currently_batching = true;
 }

 // This replaces the direct calls to pfnSetTexture in cases where batching is available.
--- a/src/hardware/hw_draw.c
+++ b/src/hardware/hw_draw.c
@ -78,10 +78,8 @@ void HWR_DrawPatch(patch_t *gpatch, INT32 x, INT32 y, INT32 option)
 //  | /|
 //  |/ |
 //  0--1
-	float sdupx = FIXED_TO_FLOAT(vid.fdupx)*2.0f;
-	float sdupy = FIXED_TO_FLOAT(vid.fdupy)*2.0f;
-	float pdupx = FIXED_TO_FLOAT(vid.fdupx)*2.0f;
-	float pdupy = FIXED_TO_FLOAT(vid.fdupy)*2.0f;
+	float sdup = FIXED_TO_FLOAT(vid.fdup)*2.0f;
+	float pdup = FIXED_TO_FLOAT(vid.fdup)*2.0f;

 	// make patch ready in hardware cache
 	HWR_GetPatch(gpatch);
@ -90,25 +88,23 @@ void HWR_DrawPatch(patch_t *gpatch, INT32 x, INT32 y, INT32 option)
 	switch (option & V_SCALEPATCHMASK)
 	{
 	case V_NOSCALEPATCH:
-		pdupx = pdupy = 2.0f;
+		pdup = 2.0f;
 		break;
 	case V_SMALLSCALEPATCH:
-		pdupx = 2.0f * FIXED_TO_FLOAT(vid.fsmalldupx);
-		pdupy = 2.0f * FIXED_TO_FLOAT(vid.fsmalldupy);
+		pdup = 2.0f * FIXED_TO_FLOAT(vid.fsmalldup);
 		break;
 	case V_MEDSCALEPATCH:
-		pdupx = 2.0f * FIXED_TO_FLOAT(vid.fmeddupx);
-		pdupy = 2.0f * FIXED_TO_FLOAT(vid.fmeddupy);
+		pdup = 2.0f * FIXED_TO_FLOAT(vid.fmeddup);
 		break;
 	}

 	if (option & V_NOSCALESTART)
-		sdupx = sdupy = 2.0f;
+		sdup = 2.0f;

-	v[0].x = v[3].x = (x*sdupx-(gpatch->leftoffset)*pdupx)/vid.width - 1;
-	v[2].x = v[1].x = (x*sdupx+(gpatch->width-gpatch->leftoffset)*pdupx)/vid.width - 1;
-	v[0].y = v[1].y = 1-(y*sdupy-(gpatch->topoffset)*pdupy)/vid.height;
-	v[2].y = v[3].y = 1-(y*sdupy+(gpatch->height-gpatch->topoffset)*pdupy)/vid.height;
+	v[0].x = v[3].x = (x*sdup-(gpatch->leftoffset)*pdup)/vid.width - 1;
+	v[2].x = v[1].x = (x*sdup+(gpatch->width-gpatch->leftoffset)*pdup)/vid.width - 1;
+	v[0].y = v[1].y = 1-(y*sdup-(gpatch->topoffset)*pdup)/vid.height;
+	v[2].y = v[3].y = 1-(y*sdup+(gpatch->height-gpatch->topoffset)*pdup)/vid.height;

 	v[0].z = v[1].z = v[2].z = v[3].z = 1.0f;

@ -138,7 +134,7 @@ void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t p
 //  | /|
 //  |/ |
 //  0--1
-	float dupx, dupy, fscalew, fscaleh, fwidth, fheight;
+	float dup, fscalew, fscaleh, fwidth, fheight;

 	UINT8 perplayershuffle = 0;

@ -158,25 +154,21 @@ void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t p
 		else opacity = softwaretranstogl[10-alphalevel];
 	}

-	dupx = (float)vid.dupx;
-	dupy = (float)vid.dupy;
+	dup = (float)vid.dup;

 	switch (option & V_SCALEPATCHMASK)
 	{
 	case V_NOSCALEPATCH:
-		dupx = dupy = 1.0f;
+		dup = 1.0f;
 		break;
 	case V_SMALLSCALEPATCH:
-		dupx = (float)vid.smalldupx;
-		dupy = (float)vid.smalldupy;
+		dup = (float)vid.smalldup;
 		break;
 	case V_MEDSCALEPATCH:
-		dupx = (float)vid.meddupx;
-		dupy = (float)vid.meddupy;
+		dup = (float)vid.meddup;
 		break;
 	}

-	dupx = dupy = (dupx < dupy ? dupx : dupy);
 	fscalew = fscaleh = FIXED_TO_FLOAT(pscale);
 	if (vscale != pscale)
 		fscaleh = FIXED_TO_FLOAT(vscale);
@ -270,8 +262,8 @@ void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t p

 	if (!(option & V_NOSCALESTART))
 	{
-		cx = cx * dupx;
-		cy = cy * dupy;
+		cx = cx * dup;
+		cy = cy * dup;

 		if (!(option & V_SCALEPATCHMASK))
 		{
@ -288,40 +280,40 @@ void HWR_DrawStretchyFixedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t p
 				}
 			}
 			// centre screen
-			if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
+			if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dup) > 1.0E-36f)
 			{
 				if (option & V_SNAPTORIGHT)
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup));
 				else if (!(option & V_SNAPTOLEFT))
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/2;
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup))/2;
 				if (perplayershuffle & 4)
-					cx -= ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/4;
+					cx -= ((float)vid.width - ((float)BASEVIDWIDTH * dup))/4;
 				else if (perplayershuffle & 8)
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/4;
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup))/4;
 			}
-			if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dupy) > 1.0E-36f)
+			if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dup) > 1.0E-36f)
 			{
 				if (option & V_SNAPTOBOTTOM)
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup));
 				else if (!(option & V_SNAPTOTOP))
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/2;
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/2;
 				if (perplayershuffle & 1)
-					cy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/4;
+					cy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/4;
 				else if (perplayershuffle & 2)
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/4;
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/4;
 			}
 		}
 	}

 	if (pscale != FRACUNIT || vscale != FRACUNIT || (splitscreen && option & V_PERPLAYER))
 	{
-		fwidth = (float)(gpatch->width) * fscalew * dupx;
-		fheight = (float)(gpatch->height) * fscaleh * dupy;
+		fwidth = (float)(gpatch->width) * fscalew * dup;
+		fheight = (float)(gpatch->height) * fscaleh * dup;
 	}
 	else
 	{
-		fwidth = (float)(gpatch->width) * dupx;
-		fheight = (float)(gpatch->height) * dupy;
+		fwidth = (float)(gpatch->width) * dup;
+		fheight = (float)(gpatch->height) * dup;
 	}

 	// positions of the cx, cy, are between 0 and vid.width/vid.height now, we need them to be between -1 and 1
@ -384,7 +376,7 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 //  | /|
 //  |/ |
 //  0--1
-	float dupx, dupy, fscalew, fscaleh, fwidth, fheight;
+	float dup, fscalew, fscaleh, fwidth, fheight;

 	UINT8 perplayershuffle = 0;

@ -396,25 +388,21 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,

 	hwrPatch = ((GLPatch_t *)gpatch->hardware);

-	dupx = (float)vid.dupx;
-	dupy = (float)vid.dupy;
+	dup = (float)vid.dup;

 	switch (option & V_SCALEPATCHMASK)
 	{
 	case V_NOSCALEPATCH:
-		dupx = dupy = 1.0f;
+		dup = 1.0f;
 		break;
 	case V_SMALLSCALEPATCH:
-		dupx = (float)vid.smalldupx;
-		dupy = (float)vid.smalldupy;
+		dup = (float)vid.smalldup;
 		break;
 	case V_MEDSCALEPATCH:
-		dupx = (float)vid.meddupx;
-		dupy = (float)vid.meddupy;
+		dup = (float)vid.meddup;
 		break;
 	}

-	dupx = dupy = (dupx < dupy ? dupx : dupy);
 	fscalew = fscaleh = FIXED_TO_FLOAT(pscale);
 	if (vscale != pscale)
 		fscaleh = FIXED_TO_FLOAT(vscale);
@ -492,8 +480,8 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,

 	if (!(option & V_NOSCALESTART))
 	{
-		cx = cx * dupx;
-		cy = cy * dupy;
+		cx = cx * dup;
+		cy = cy * dup;

 		if (!(option & V_SCALEPATCHMASK))
 		{
@ -501,27 +489,27 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 			// no the patch is cropped do not do this ever

 			// centre screen
-			if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
+			if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dup) > 1.0E-36f)
 			{
 				if (option & V_SNAPTORIGHT)
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup));
 				else if (!(option & V_SNAPTOLEFT))
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/2;
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup))/2;
 				if (perplayershuffle & 4)
-					cx -= ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/4;
+					cx -= ((float)vid.width - ((float)BASEVIDWIDTH * dup))/4;
 				else if (perplayershuffle & 8)
-					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/4;
+					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dup))/4;
 			}
-			if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dupy) > 1.0E-36f)
+			if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dup) > 1.0E-36f)
 			{
 				if (option & V_SNAPTOBOTTOM)
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup));
 				else if (!(option & V_SNAPTOTOP))
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/2;
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/2;
 				if (perplayershuffle & 1)
-					cy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/4;
+					cy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/4;
 				else if (perplayershuffle & 2)
-					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/4;
+					cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup))/4;
 			}
 		}
 	}
@ -537,13 +525,13 @@ void HWR_DrawCroppedPatch(patch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,

 	if (pscale != FRACUNIT || vscale != FRACUNIT || (splitscreen && option & V_PERPLAYER))
 	{
-		fwidth *= fscalew * dupx;
-		fheight *= fscaleh * dupy;
+		fwidth *= fscalew * dup;
+		fheight *= fscaleh * dup;
 	}
 	else
 	{
-		fwidth *= dupx;
-		fheight *= dupy;
+		fwidth *= dup;
+		fheight *= dup;
 	}

 	// positions of the cx, cy, are between 0 and vid.width/vid.height now, we need them to be between -1 and 1
@ -679,9 +667,9 @@ void HWR_DrawPic(INT32 x, INT32 y, lumpnum_t lumpnum)
 //  0--1

 	v[0].x = v[3].x = 2.0f * (float)x/vid.width - 1;
-	v[2].x = v[1].x = 2.0f * (float)(x + patch->width*FIXED_TO_FLOAT(vid.fdupx))/vid.width - 1;
+	v[2].x = v[1].x = 2.0f * (float)(x + patch->width*FIXED_TO_FLOAT(vid.fdup))/vid.width - 1;
 	v[0].y = v[1].y = 1.0f - 2.0f * (float)y/vid.height;
-	v[2].y = v[3].y = 1.0f - 2.0f * (float)(y + patch->height*FIXED_TO_FLOAT(vid.fdupy))/vid.height;
+	v[2].y = v[3].y = 1.0f - 2.0f * (float)(y + patch->height*FIXED_TO_FLOAT(vid.fdup))/vid.height;

 	v[0].z = v[1].z = v[2].z = v[3].z = 1.0f;

@ -871,35 +859,33 @@ void HWR_DrawFadeFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color, UINT16 ac

 	if (!(color & V_NOSCALESTART))
 	{
-		float dupx = (float)vid.dupx, dupy = (float)vid.dupy;
+		fx *= vid.dup;
+		fy *= vid.dup;
+		fw *= vid.dup;
+		fh *= vid.dup;

-		fx *= dupx;
-		fy *= dupy;
-		fw *= dupx;
-		fh *= dupy;
-
-		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
+		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * vid.dup) > 1.0E-36f)
 		{
 			if (color & V_SNAPTORIGHT)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup));
 			else if (!(color & V_SNAPTOLEFT))
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 2;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 2;
 			if (perplayershuffle & 4)
-				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 4;
 			else if (perplayershuffle & 8)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 4;
 		}
-		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dupy) > 1.0E-36f)
+		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * vid.dup) > 1.0E-36f)
 		{
 			// same thing here
 			if (color & V_SNAPTOBOTTOM)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup));
 			else if (!(color & V_SNAPTOTOP))
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 2;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 2;
 			if (perplayershuffle & 1)
-				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 4;
 			else if (perplayershuffle & 2)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 4;
 		}
 	}

@ -1037,10 +1023,10 @@ void HWR_DrawViewBorder(INT32 clearlines)
 		clearlines = BASEVIDHEIGHT; // refresh all

 	// calc view size based on original game resolution
-	baseviewwidth =  FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewwidth), vid.fdupx)); //(cv_viewsize.value * BASEVIDWIDTH/10)&~7;
-	baseviewheight = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewheight), vid.fdupy));
-	top = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_baseviewwindowy), vid.fdupy));
-	side = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewwindowx), vid.fdupx));
+	baseviewwidth =  FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewwidth), vid.fdup)); //(cv_viewsize.value * BASEVIDWIDTH/10)&~7;
+	baseviewheight = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewheight), vid.fdup));
+	top = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_baseviewwindowy), vid.fdup));
+	side = FixedInt(FixedDiv(FLOAT_TO_FIXED(gl_viewwindowx), vid.fdup));

 	// top
 	HWR_DrawFlatFill(0, 0,
@ -1255,35 +1241,35 @@ void HWR_DrawConsoleFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color, UINT32

 	if (!(color & V_NOSCALESTART))
 	{
-		float dupx = (float)vid.dupx, dupy = (float)vid.dupy;
+		float dup = (float)vid.dup;

-		fx *= dupx;
-		fy *= dupy;
-		fw *= dupx;
-		fh *= dupy;
+		fx *= dup;
+		fy *= dup;
+		fw *= dup;
+		fh *= dup;

-		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
+		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dup) > 1.0E-36f)
 		{
 			if (color & V_SNAPTORIGHT)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dup));
 			else if (!(color & V_SNAPTOLEFT))
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 2;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dup)) / 2;
 			if (perplayershuffle & 4)
-				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * dup)) / 4;
 			else if (perplayershuffle & 8)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dup)) / 4;
 		}
-		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dupy) > 1.0E-36f)
+		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dup) > 1.0E-36f)
 		{
 			// same thing here
 			if (color & V_SNAPTOBOTTOM)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup));
 			else if (!(color & V_SNAPTOTOP))
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 2;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup)) / 2;
 			if (perplayershuffle & 1)
-				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dup)) / 4;
 			else if (perplayershuffle & 2)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dup)) / 4;
 		}
 	}

@ -1421,8 +1407,6 @@ void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color)

 	if (!(color & V_NOSCALESTART))
 	{
-		float dupx = (float)vid.dupx, dupy = (float)vid.dupy;
-
 		if (x == 0 && y == 0 && w == BASEVIDWIDTH && h == BASEVIDHEIGHT)
 		{
 			RGBA_t rgbaColour = V_GetColor(color);
@ -1435,33 +1419,33 @@ void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color)
 			return;
 		}

-		fx *= dupx;
-		fy *= dupy;
-		fw *= dupx;
-		fh *= dupy;
+		fx *= vid.dup;
+		fy *= vid.dup;
+		fw *= vid.dup;
+		fh *= vid.dup;

-		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * dupx) > 1.0E-36f)
+		if (fabsf((float)vid.width - (float)BASEVIDWIDTH * vid.dup) > 1.0E-36f)
 		{
 			if (color & V_SNAPTORIGHT)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup));
 			else if (!(color & V_SNAPTOLEFT))
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 2;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 2;
 			if (perplayershuffle & 4)
-				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx -= ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 4;
 			else if (perplayershuffle & 8)
-				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 4;
+				fx += ((float)vid.width - ((float)BASEVIDWIDTH * vid.dup)) / 4;
 		}
-		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * dupy) > 1.0E-36f)
+		if (fabsf((float)vid.height - (float)BASEVIDHEIGHT * vid.dup) > 1.0E-36f)
 		{
 			// same thing here
 			if (color & V_SNAPTOBOTTOM)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup));
 			else if (!(color & V_SNAPTOTOP))
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 2;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 2;
 			if (perplayershuffle & 1)
-				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy -= ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 4;
 			else if (perplayershuffle & 2)
-				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy)) / 4;
+				fy += ((float)vid.height - ((float)BASEVIDHEIGHT * vid.dup)) / 4;
 		}
 	}

--- a/src/hardware/hw_light.c
+++ b/src/hardware/hw_light.c
@ -341,6 +341,7 @@ light_t *t_lspr[NUMSPRITES] =
 	&lspr[NOLIGHT],     // SPR_BMCH
 	&lspr[NOLIGHT],     // SPR_SMCE
 	&lspr[NOLIGHT],     // SPR_BMCE
+	&lspr[NOLIGHT],     // SPR_BSPB
 	&lspr[NOLIGHT],     // SPR_YSPB
 	&lspr[NOLIGHT],     // SPR_RSPB
 	&lspr[REDBALL_L],   // SPR_SFBR
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@ -229,6 +229,8 @@ void HWR_Lighting(FSurfaceInfo *Surface, INT32 light_level, extracolormap_t *col
 	// Clamp the light level, since it can sometimes go out of the 0-255 range from animations
 	light_level = min(max(light_level, 0), 255);

+	V_CubeApply(&tint_color.s.red, &tint_color.s.green, &tint_color.s.blue);
+	V_CubeApply(&fade_color.s.red, &fade_color.s.green, &fade_color.s.blue);
 	Surface->PolyColor.rgba = poly_color.rgba;
 	Surface->TintColor.rgba = tint_color.rgba;
 	Surface->FadeColor.rgba = fade_color.rgba;
@ -4064,14 +4066,11 @@ static void HWR_DrawSprite(gl_vissprite_t *spr)
 		float xscale, yscale;
 		float xoffset, yoffset;
 		float leftoffset, topoffset;
-		float scale = spr->scale;
 		float zoffset = (P_MobjFlip(spr->mobj) * 0.05f);
 		pslope_t *splatslope = NULL;
 		INT32 i;

 		renderflags_t renderflags = spr->renderflags;
-		if (renderflags & RF_SHADOWEFFECTS)
-			scale *= spr->shadowscale;

 		if (spr->rotateflags & SRF_3D || renderflags & RF_NOSPLATBILLBOARD)
 			angle = spr->mobj->angle;
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@ -486,7 +486,7 @@ void HWR_InitModels(void)
 	size_t i;
 	INT32 s;
 	FILE *f;
-	char name[24], filename[32];
+	char name[26], filename[32];
 	float scale, offset;
 	size_t prefixlen;

@ -585,7 +585,7 @@ modelfound:
 void HWR_AddPlayerModel(int skin) // For skins that were added after startup
 {
 	FILE *f;
-	char name[24], filename[32];
+	char name[26], filename[32];
 	float scale, offset;
 	size_t prefixlen;

@ -644,7 +644,7 @@ void HWR_AddSpriteModel(size_t spritenum) // For sprites that were added after s
 	// name[24] is used to check for names in the models.dat file that match with sprites or player skins
 	// sprite names are always 4 characters long, and names is for player skins can be up to 19 characters long
 	// PLAYERMODELPREFIX is 6 characters long
-	char name[24], filename[32];
+	char name[26], filename[32];
 	float scale, offset;

 	if (nomd2s)
--- a/src/hardware/hw_model.c
+++ b/src/hardware/hw_model.c
@ -672,6 +672,9 @@ void GeneratePolygonNormals(model_t *model, int ztag)

 			for (k = 0; k < mesh->numTriangles; k++)
 			{
+				/// TODO: normalize vectors
+				(void)vertices;
+				(void)polyNormals;
 //				Vector::Normal(vertices, polyNormals);
 				vertices += 3 * 3;
 				polyNormals++;
--- a/src/info.c
+++ b/src/info.c
@ -250,6 +250,7 @@ char sprnames[NUMSPRITES + 1][5] =
 	"BMCH", // Big Mace Chain
 	"SMCE", // Small Mace
 	"BMCE", // Big Mace
+	"BSPB", // Blue spring on a ball
 	"YSPB", // Yellow spring on a ball
 	"RSPB", // Red spring on a ball
 	"SFBR", // Small Firebar
@ -2297,6 +2298,13 @@ state_t states[NUMSTATES] =
 	{SPR_SMCH, 1, -1, {NULL}, 0, 0, S_NULL}, // S_SMALLGRABCHAIN
 	{SPR_BMCH, 1, -1, {NULL}, 0, 0, S_NULL}, // S_BIGGRABCHAIN

+	// Blue spring on a ball
+	{SPR_BSPB, 0, -1, {NULL},   0, 0, S_NULL},            // S_BLUESPRINGBALL
+	{SPR_BSPB, 4,  4, {A_Pain}, 0, 0, S_BLUESPRINGBALL3}, // S_BLUESPRINGBALL2
+	{SPR_BSPB, 3,  1, {NULL},   0, 0, S_BLUESPRINGBALL4}, // S_BLUESPRINGBALL3
+	{SPR_BSPB, 2,  1, {NULL},   0, 0, S_BLUESPRINGBALL5}, // S_BLUESPRINGBALL4
+	{SPR_BSPB, 1,  1, {NULL},   0, 0, S_BLUESPRINGBALL},  // S_BLUESPRINGBALL5
+
 	// Yellow spring on a ball
 	{SPR_YSPB, 0, -1, {NULL},   0, 0, S_NULL},              // S_YELLOWSPRINGBALL
 	{SPR_YSPB, 4,  4, {A_Pain}, 0, 0, S_YELLOWSPRINGBALL3}, // S_YELLOWSPRINGBALL2
@ -11679,6 +11687,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},

+	{            // MT_BLUESPRINGBALL
+		1133,           // doomednum
+		S_BLUESPRINGBALL, // spawnstate
+		1000,           // spawnhealth
+		S_BLUESPRINGBALL2, // seestate
+		sfx_None,       // seesound
+		0,              // reactiontime
+		sfx_None,       // attacksound
+		S_NULL,         // painstate
+		0,              // painchance
+		sfx_spring,     // painsound
+		S_NULL,         // meleestate
+		S_NULL,         // missilestate
+		S_NULL,         // deathstate
+		S_NULL,         // xdeathstate
+		sfx_None,       // deathsound
+		24*FRACUNIT,    // speed
+		17*FRACUNIT,    // radius
+		34*FRACUNIT,    // height
+		1,              // display offset
+		11*FRACUNIT,    // mass
+		0,              // damage
+		sfx_mswing,     // activesound
+		MF_SCENERY|MF_SPRING|MF_NOGRAVITY, // flags
+		S_BLUESPRINGBALL2 // raisestate
+	},
+
 	{            // MT_YELLOWSPRINGBALL
 		1134,           // doomednum
 		S_YELLOWSPRINGBALL, // spawnstate
--- a/src/info.h
+++ b/src/info.h
@ -797,6 +797,7 @@ typedef enum sprite
 	SPR_BMCH, // Big Mace Chain
 	SPR_SMCE, // Small Mace
 	SPR_BMCE, // Big Mace
+	SPR_BSPB, // Blue spring on a ball
 	SPR_YSPB, // Yellow spring on a ball
 	SPR_RSPB, // Red spring on a ball
 	SPR_SFBR, // Small Firebar
@ -2744,6 +2745,13 @@ typedef enum state
 	S_SMALLGRABCHAIN,
 	S_BIGGRABCHAIN,

+	// Blue spring on a ball
+	S_BLUESPRINGBALL,
+	S_BLUESPRINGBALL2,
+	S_BLUESPRINGBALL3,
+	S_BLUESPRINGBALL4,
+	S_BLUESPRINGBALL5,
+
 	// Yellow spring on a ball
 	S_YELLOWSPRINGBALL,
 	S_YELLOWSPRINGBALL2,
@ -4722,6 +4730,7 @@ typedef enum mobj_type
 	MT_BIGMACE, // Big Mace
 	MT_SMALLGRABCHAIN, // Small Grab Chain
 	MT_BIGGRABCHAIN, // Big Grab Chain
+	MT_BLUESPRINGBALL, // Blue spring on a ball
 	MT_YELLOWSPRINGBALL, // Yellow spring on a ball
 	MT_REDSPRINGBALL, // Red spring on a ball
 	MT_SMALLFIREBAR, // Small Firebar
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@ -1031,6 +1031,20 @@ static int lib_pRailThinker(lua_State *L)
 	return 1;
 }

+static int lib_pCheckSkyHit(lua_State *L)
+{
+	mobj_t *mobj = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	line_t *line = *((line_t **)luaL_checkudata(L, 2, META_LINE));
+	//HUDSAFE
+	INLEVEL
+	if (!mobj)
+		return LUA_ErrInvalid(L, "mobj_t");
+	if (!line)
+		return LUA_ErrInvalid(L, "line_t");
+	lua_pushboolean(L, P_CheckSkyHit(mobj, line));
+	return 1;
+}
+
 static int lib_pXYMovement(lua_State *L)
 {
 	mobj_t *actor = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
@ -1425,6 +1439,18 @@ static int lib_pGivePlayerRings(lua_State *L)
 	return 0;
 }

+static int lib_pGivePlayerSpheres(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	INT32 num_spheres = (INT32)luaL_checkinteger(L, 2);
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	P_GivePlayerSpheres(player, num_spheres);
+	return 0;
+}
+
 static int lib_pGivePlayerLives(lua_State *L)
 {
 	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
@ -1567,6 +1593,19 @@ static int lib_pInstaThrust(lua_State *L)
 	return 0;
 }

+static int lib_pInstaThrustEvenIn2D(lua_State *L)
+{
+	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	angle_t angle = luaL_checkangle(L, 2);
+	fixed_t move = luaL_checkfixed(L, 3);
+	NOHUD
+	INLEVEL
+	if (!mo)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_InstaThrustEvenIn2D(mo, angle, move);
+	return 0;
+}
+
 static int lib_pReturnThrustX(lua_State *L)
 {
 	angle_t angle;
@ -1667,6 +1706,17 @@ static int lib_pDoJump(lua_State *L)
 	return 0;
 }

+static int lib_pDoSpinDashDust(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	P_DoSpinDashDust(player);
+	return 0;
+}
+
 static int lib_pSpawnThokMobj(lua_State *L)
 {
 	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
@ -1717,6 +1767,48 @@ static int lib_pSwitchShield(lua_State *L)
 	return 0;
 }

+static int lib_pDoTailsOverlay(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	mobj_t *tails = *((mobj_t **)luaL_checkudata(L, 2, META_MOBJ));
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	if (!tails)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_DoTailsOverlay(player, tails);
+	return 0;
+}
+
+static int lib_pDoMetalJetFume(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	mobj_t *fume = *((mobj_t **)luaL_checkudata(L, 2, META_MOBJ));
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	if (!fume)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_DoMetalJetFume(player, fume);
+	return 0;
+}
+
+static int lib_pDoFollowMobj(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	mobj_t *followmobj = *((mobj_t **)luaL_checkudata(L, 2, META_MOBJ));
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	if (!followmobj)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_DoFollowMobj(player, followmobj);
+	return 0;
+}
+
 static int lib_pPlayerCanEnterSpinGaps(lua_State *L)
 {
 	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
@ -1788,6 +1880,7 @@ static int lib_pMove(lua_State *L)
 	return 2;
 }

+// TODO: 2.3: Delete
 static int lib_pTeleportMove(lua_State *L)
 {
 	mobj_t *ptmthing = tmthing;
@ -2198,6 +2291,21 @@ static int lib_pDoMatchSuper(lua_State *L)
 	return 0;
 }

+static int lib_pTouchSpecialThing(lua_State *L)
+{
+	mobj_t *special = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	mobj_t *toucher = *((mobj_t **)luaL_checkudata(L, 2, META_MOBJ));
+	boolean heightcheck = lua_optboolean(L, 3);
+	NOHUD
+	INLEVEL
+	if (!special || !toucher)
+		return LUA_ErrInvalid(L, "mobj_t");
+	if (!toucher->player)
+		return luaL_error(L, "P_TouchSpecialThing requires a valid toucher.player.");
+	P_TouchSpecialThing(special, toucher, heightcheck);
+	return 0;
+}
+
 // P_SPEC
 ////////////

@ -2214,6 +2322,40 @@ static int lib_pThrust(lua_State *L)
 	return 0;
 }

+static int lib_pThrustEvenIn2D(lua_State *L)
+{
+	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
+	angle_t angle = luaL_checkangle(L, 2);
+	fixed_t move = luaL_checkfixed(L, 3);
+	NOHUD
+	INLEVEL
+	if (!mo)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_ThrustEvenIn2D(mo, angle, move);
+	return 0;
+}
+
+static int lib_pVectorInstaThrust(lua_State *L)
+{
+    fixed_t xa = luaL_checkfixed(L, 1);
+    fixed_t xb = luaL_checkfixed(L, 2);
+    fixed_t xc = luaL_checkfixed(L, 3);
+    fixed_t ya = luaL_checkfixed(L, 4);
+    fixed_t yb = luaL_checkfixed(L, 5);
+    fixed_t yc = luaL_checkfixed(L, 6);
+    fixed_t za = luaL_checkfixed(L, 7);
+    fixed_t zb = luaL_checkfixed(L, 8);
+    fixed_t zc = luaL_checkfixed(L, 9);
+    fixed_t momentum = luaL_checkfixed(L, 10);
+	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 11, META_MOBJ));
+	NOHUD
+	INLEVEL
+	if (!mo)
+		return LUA_ErrInvalid(L, "mobj_t");
+	P_VectorInstaThrust(xa, xb, xc, ya, yb, yc, za, zb, zc, momentum, mo);
+	return 0;
+}
+
 static int lib_pSetMobjStateNF(lua_State *L)
 {
 	mobj_t *mobj = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
@ -2266,6 +2408,7 @@ static int lib_pMobjTouchingSectorSpecial(lua_State *L)
 	return 1;
 }

+// TODO: 2.3: Delete
 static int lib_pThingOnSpecial3DFloor(lua_State *L)
 {
 	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
@ -3544,7 +3687,7 @@ static int lib_gAddGametype(lua_State *L)
 // Partly lifted from Got_AddPlayer
 static int lib_gAddPlayer(lua_State *L)
 {
-	INT16 i, newplayernum, botcount = 1;
+	INT16 i, newplayernum;
 	player_t *newplayer;
 	SINT8 skinnum = 0, bot;

@ -3552,10 +3695,8 @@ static int lib_gAddPlayer(lua_State *L)
 	{
 		if (!playeringame[i])
 			break;
-
-		if (players[i].bot)
-			botcount++; // How many of us are there already?
 	}
+
 	if (i >= MAXPLAYERS)
 	{
 		lua_pushnil(L);
@ -3572,6 +3713,7 @@ static int lib_gAddPlayer(lua_State *L)

 	newplayer->jointime = 0;
 	newplayer->quittime = 0;
+	newplayer->lastinputtime = 0;

 	// Read the skin argument (defaults to Sonic)
 	if (!lua_isnoneornil(L, 1))
@ -4081,6 +4223,7 @@ static luaL_Reg lib[] = {
 	{"P_CreateFloorSpriteSlope",lib_pCreateFloorSpriteSlope},
 	{"P_RemoveFloorSpriteSlope",lib_pRemoveFloorSpriteSlope},
 	{"P_RailThinker",lib_pRailThinker},
+	{"P_CheckSkyHit",lib_pCheckSkyHit},
 	{"P_XYMovement",lib_pXYMovement},
 	{"P_RingXYMovement",lib_pRingXYMovement},
 	{"P_SceneryXYMovement",lib_pSceneryXYMovement},
@ -4113,6 +4256,7 @@ static luaL_Reg lib[] = {
 	{"P_SpawnShieldOrb",lib_pSpawnShieldOrb},
 	{"P_SpawnGhostMobj",lib_pSpawnGhostMobj},
 	{"P_GivePlayerRings",lib_pGivePlayerRings},
+	{"P_GivePlayerSpheres",lib_pGivePlayerSpheres},
 	{"P_GivePlayerLives",lib_pGivePlayerLives},
 	{"P_GiveCoopLives",lib_pGiveCoopLives},
 	{"P_ResetScore",lib_pResetScore},
@ -4125,6 +4269,7 @@ static luaL_Reg lib[] = {
 	{"P_DoPlayerFinish",lib_pDoPlayerFinish},
 	{"P_DoPlayerExit",lib_pDoPlayerExit},
 	{"P_InstaThrust",lib_pInstaThrust},
+	{"P_InstaThrustEvenIn2D",lib_pInstaThrustEvenIn2D},
 	{"P_ReturnThrustX",lib_pReturnThrustX},
 	{"P_ReturnThrustY",lib_pReturnThrustY},
 	{"P_LookForEnemies",lib_pLookForEnemies},
@ -4133,10 +4278,14 @@ static luaL_Reg lib[] = {
 	{"P_HomingAttack",lib_pHomingAttack},
 	{"P_SuperReady",lib_pSuperReady},
 	{"P_DoJump",lib_pDoJump},
+	{"P_DoSpinDashDust",lib_pDoSpinDashDust},
 	{"P_SpawnThokMobj",lib_pSpawnThokMobj},
 	{"P_SpawnSpinMobj",lib_pSpawnSpinMobj},
 	{"P_Telekinesis",lib_pTelekinesis},
 	{"P_SwitchShield",lib_pSwitchShield},
+	{"P_DoTailsOverlay",lib_pDoTailsOverlay},
+	{"P_DoMetalJetFume",lib_pDoMetalJetFume},
+	{"P_DoFollowMobj",lib_pDoFollowMobj},
 	{"P_PlayerCanEnterSpinGaps",lib_pPlayerCanEnterSpinGaps},
 	{"P_PlayerShouldUseSpinHeight",lib_pPlayerShouldUseSpinHeight},

@ -4155,6 +4304,7 @@ static luaL_Reg lib[] = {
 	{"P_FloorzAtPos",lib_pFloorzAtPos},
 	{"P_CeilingzAtPos",lib_pCeilingzAtPos},
 	{"P_DoSpring",lib_pDoSpring},
+	{"P_TouchSpecialThing",lib_pTouchSpecialThing},
 	{"P_TryCameraMove", lib_pTryCameraMove},
 	{"P_TeleportCameraMove", lib_pTeleportCameraMove},

@ -4178,6 +4328,8 @@ static luaL_Reg lib[] = {

 	// p_spec
 	{"P_Thrust",lib_pThrust},
+	{"P_ThrustEvenIn2D",lib_pThrustEvenIn2D},
+	{"P_VectorInstaThrust",lib_pVectorInstaThrust},
 	{"P_SetMobjStateNF",lib_pSetMobjStateNF},
 	{"P_DoSuperTransformation",lib_pDoSuperTransformation},
 	{"P_ExplodeMissile",lib_pExplodeMissile},
@ -4302,8 +4454,7 @@ int LUA_BaseLib(lua_State *L)
 	// Set metatable for string
 	lua_pushliteral(L, "");  // dummy string
 	lua_getmetatable(L, -1);  // get string metatable
-	lua_pushcfunction(L,lib_concat); // push concatination function
-	lua_setfield(L,-2,"__add"); // ... store it as mathematical addition
+	LUA_SetCFunctionField(L, "__add", lib_concat);
 	lua_pop(L, 2); // pop metatable and dummy string

 	lua_newtable(L);
--- a/src/lua_consolelib.c
+++ b/src/lua_consolelib.c
@ -194,6 +194,7 @@ static int lib_comAddCommand(lua_State *L)
 	if (lua_gettop(L) >= 3)
 	{ // For the third argument, only take a boolean or a number.
 		lua_settop(L, 3);
+		// TODO: 2.3: Remove boolean option
 		if (lua_type(L, 3) == LUA_TBOOLEAN)
 		{
 			CONS_Alert(CONS_WARNING,
@ -374,6 +375,9 @@ static int lib_cvRegisterVar(lua_State *L)
 				size_t count = 0;
 				CV_PossibleValue_t *cvpv;

+				const char * const MINMAX[2] = {"MIN", "MAX"};
+				int minmax_unset = 3;
+
 				lua_pushnil(L);
 				while (lua_next(L, 4))
 				{
@ -392,16 +396,45 @@ static int lib_cvRegisterVar(lua_State *L)
 				lua_pushnil(L);
 				while (lua_next(L, 4))
 				{
+					INT32 n;
+					const char * strval;
+
 					// stack: [...] PossibleValue table, index, value
 					//                       4             5      6
 					if (lua_type(L, 5) != LUA_TSTRING
 					|| lua_type(L, 6) != LUA_TNUMBER)
 						FIELDERROR("PossibleValue", "custom PossibleValue table requires a format of string=integer, i.e. {MIN=0, MAX=9999}");
-					cvpv[i].strvalue = Z_StrDup(lua_tostring(L, 5));
-					cvpv[i].value = (INT32)lua_tonumber(L, 6);
-					i++;
+
+					strval = lua_tostring(L, 5);
+
+					if (
+							stricmp(strval, MINMAX[n=0]) == 0 ||
+							stricmp(strval, MINMAX[n=1]) == 0
+					){
+						/* need to shift forward */
+						if (minmax_unset == 3)
+						{
+							memmove(&cvpv[2], &cvpv[0],
+									i * sizeof *cvpv);
+							i += 2;
+						}
+						cvpv[n].strvalue = MINMAX[n];
+						minmax_unset &= ~(1 << n);
+					}
+					else
+					{
+						n = i++;
+						cvpv[n].strvalue = Z_StrDup(strval);
+					}
+
+					cvpv[n].value = (INT32)lua_tonumber(L, 6);
+
 					lua_pop(L, 1);
 				}
+
+				if (minmax_unset && minmax_unset != 3)
+					FIELDERROR("PossibleValue", "custom PossibleValue table requires requires both MIN and MAX keys if one is present");
+
 				cvpv[i].value = 0;
 				cvpv[i].strvalue = NULL;
 				cvar->PossibleValue = cvpv;
@ -626,10 +659,7 @@ static int cvar_get(lua_State *L)
 int LUA_ConsoleLib(lua_State *L)
 {
 	// Metatable for consvar_t
-	luaL_newmetatable(L, META_CVAR);
-		lua_pushcfunction(L, cvar_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L,1);
+	LUA_RegisterUserdataMetatable(L, META_CVAR, cvar_get, NULL, NULL);

 	cvar_fields_ref = Lua_CreateFieldTable(L, cvar_opt);

--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@ -1206,19 +1206,11 @@ static int libd_height(lua_State *L)
 	return 1;
 }

-static int libd_dupx(lua_State *L)
+static int libd_dup(lua_State *L)
 {
 	HUDONLY
-	lua_pushinteger(L, vid.dupx); // push integral scale (patch scale)
-	lua_pushfixed(L, vid.fdupx); // push fixed point scale (position scale)
-	return 2;
-}
-
-static int libd_dupy(lua_State *L)
-{
-	HUDONLY
-	lua_pushinteger(L, vid.dupy); // push integral scale (patch scale)
-	lua_pushfixed(L, vid.fdupy); // push fixed point scale (position scale)
+	lua_pushinteger(L, vid.dup); // push integral scale (patch scale)
+	lua_pushfixed(L, vid.fdup); // push fixed point scale (position scale)
 	return 2;
 }

@ -1338,8 +1330,8 @@ static luaL_Reg lib_draw[] = {
 	// properties
 	{"width", libd_width},
 	{"height", libd_height},
-	{"dupx", libd_dupx},
-	{"dupy", libd_dupy},
+	{"dupx", libd_dup},
+	{"dupy", libd_dup},
 	{"renderer", libd_renderer},
 	{"localTransFlag", libd_getlocaltransflag},
 	{"userTransFlag", libd_getusertransflag},
@ -1404,52 +1396,16 @@ int LUA_HudLib(lua_State *L)
 	luaL_register(L, NULL, lib_draw);
 	lib_draw_ref = luaL_ref(L, LUA_REGISTRYINDEX);

-	luaL_newmetatable(L, META_HUDINFO);
-		lua_pushcfunction(L, hudinfo_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, hudinfo_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, hudinfo_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getHudInfo);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_hudinfolen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "hudinfo");
-
-	luaL_newmetatable(L, META_COLORMAP);
-		lua_pushcfunction(L, colormap_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L,1);
-
-	luaL_newmetatable(L, META_PATCH);
-		lua_pushcfunction(L, patch_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, patch_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L,1);
+	LUA_RegisterUserdataMetatable(L, META_HUDINFO, hudinfo_get, hudinfo_set, hudinfo_num);
+	LUA_RegisterUserdataMetatable(L, META_COLORMAP, colormap_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_PATCH, patch_get, patch_set, NULL);
+	LUA_RegisterUserdataMetatable(L, META_CAMERA, camera_get, camera_set, NULL);

 	patch_fields_ref = Lua_CreateFieldTable(L, patch_opt);
-
-	luaL_newmetatable(L, META_CAMERA);
-		lua_pushcfunction(L, camera_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, camera_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L,1);
-
 	camera_fields_ref = Lua_CreateFieldTable(L, camera_opt);

+	LUA_RegisterGlobalUserdata(L, "hudinfo", lib_getHudInfo, NULL, lib_hudinfolen);
+
 	luaL_register(L, "hud", lib_hud);
 	return 0;
 }
--- a/src/lua_infolib.c
+++ b/src/lua_infolib.c
@ -318,6 +318,7 @@ static int PopPivotSubTable(spriteframepivot_t *pivot, lua_State *L, int stk, in
 					pivot[idx].x = (INT32)value;
 				else if (ikey == 2 || (key && fastcmp(key, "y")))
 					pivot[idx].y = (INT32)value;
+				// TODO: 2.3: Delete
 				else if (ikey == 3 || (key && fastcmp(key, "rotaxis")))
 					LUA_UsageWarning(L, "\"rotaxis\" is deprecated and will be removed.")
 				else if (ikey == -1 && (key != NULL))
@ -571,6 +572,7 @@ static int framepivot_get(lua_State *L)
 		lua_pushinteger(L, framepivot->x);
 	else if (fastcmp("y", field))
 		lua_pushinteger(L, framepivot->y);
+	// TODO: 2.3: Delete
 	else if (fastcmp("rotaxis", field))
 	{
 		LUA_UsageWarning(L, "\"rotaxis\" is deprecated and will be removed.");
@ -600,6 +602,7 @@ static int framepivot_set(lua_State *L)
 		framepivot->x = luaL_checkinteger(L, 3);
 	else if (fastcmp("y", field))
 		framepivot->y = luaL_checkinteger(L, 3);
+	// TODO: 2.3: delete
 	else if (fastcmp("rotaxis", field))
 		LUA_UsageWarning(L, "\"rotaxis\" is deprecated and will be removed.")
 	else
@ -1914,206 +1917,28 @@ int LUA_InfoLib(lua_State *L)
 	lua_newtable(L);
 	lua_setfield(L, LUA_REGISTRYINDEX, LREG_ACTIONS);

-	luaL_newmetatable(L, META_STATE);
-		lua_pushcfunction(L, state_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, state_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, state_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_MOBJINFO);
-		lua_pushcfunction(L, mobjinfo_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, mobjinfo_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, mobjinfo_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
+	LUA_RegisterUserdataMetatable(L, META_STATE, state_get, state_set, state_num);
+	LUA_RegisterUserdataMetatable(L, META_MOBJINFO, mobjinfo_get, mobjinfo_set, mobjinfo_num);
+	LUA_RegisterUserdataMetatable(L, META_SKINCOLOR, skincolor_get, skincolor_set, skincolor_num);
+	LUA_RegisterUserdataMetatable(L, META_COLORRAMP, colorramp_get, colorramp_set, colorramp_len);
+	LUA_RegisterUserdataMetatable(L, META_SFXINFO, sfxinfo_get, sfxinfo_set, sfxinfo_num);
+	LUA_RegisterUserdataMetatable(L, META_SPRITEINFO, spriteinfo_get, spriteinfo_set, spriteinfo_num);
+	LUA_RegisterUserdataMetatable(L, META_PIVOTLIST, pivotlist_get, pivotlist_set, pivotlist_num);
+	LUA_RegisterUserdataMetatable(L, META_FRAMEPIVOT, framepivot_get, framepivot_set, framepivot_num);
+	LUA_RegisterUserdataMetatable(L, META_LUABANKS, lib_getluabanks, lib_setluabanks, lib_luabankslen);

 	mobjinfo_fields_ref = Lua_CreateFieldTable(L, mobjinfo_opt);

-	luaL_newmetatable(L, META_SKINCOLOR);
-		lua_pushcfunction(L, skincolor_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, skincolor_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, skincolor_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_COLORRAMP);
-		lua_pushcfunction(L, colorramp_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, colorramp_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, colorramp_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	luaL_newmetatable(L, META_SFXINFO);
-		lua_pushcfunction(L, sfxinfo_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, sfxinfo_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, sfxinfo_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_SPRITEINFO);
-		lua_pushcfunction(L, spriteinfo_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, spriteinfo_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, spriteinfo_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_PIVOTLIST);
-		lua_pushcfunction(L, pivotlist_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, pivotlist_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, pivotlist_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_FRAMEPIVOT);
-		lua_pushcfunction(L, framepivot_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, framepivot_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, framepivot_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSprname);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_sprnamelen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "sprnames");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSpr2name);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_spr2namelen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "spr2names");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSpr2default);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setSpr2default);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_spr2namelen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "spr2defaults");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getState);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setState);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_statelen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "states");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getMobjInfo);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setMobjInfo);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_mobjinfolen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "mobjinfo");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSkinColor);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setSkinColor);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_skincolorslen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "skincolors");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSfxInfo);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setSfxInfo);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_sfxlen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_pushvalue(L, -1);
-	lua_setglobal(L, "S_sfx");
-	lua_setglobal(L, "sfxinfo");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSpriteInfo);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setSpriteInfo);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_spriteinfolen);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "spriteinfo");
-
-	luaL_newmetatable(L, META_LUABANKS);
-		lua_pushcfunction(L, lib_getluabanks);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, lib_setluabanks);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, lib_luabankslen);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
+	LUA_RegisterGlobalUserdata(L, "sprnames", lib_getSprname, NULL, lib_sprnamelen);
+	LUA_RegisterGlobalUserdata(L, "spr2names", lib_getSpr2name, NULL, lib_spr2namelen);
+	LUA_RegisterGlobalUserdata(L, "spr2defaults", lib_getSpr2default, lib_setSpr2default, lib_spr2namelen);
+	LUA_RegisterGlobalUserdata(L, "states", lib_getState, lib_setState, lib_statelen);
+	LUA_RegisterGlobalUserdata(L, "mobjinfo", lib_getMobjInfo, lib_setMobjInfo, lib_mobjinfolen);
+	LUA_RegisterGlobalUserdata(L, "skincolors", lib_getSkinColor, lib_setSkinColor, lib_skincolorslen);
+	LUA_RegisterGlobalUserdata(L, "spriteinfo", lib_getSpriteInfo, lib_setSpriteInfo, lib_spriteinfolen);
+	LUA_RegisterGlobalUserdata(L, "sfxinfo", lib_getSfxInfo, lib_setSfxInfo, lib_sfxlen);
+	// TODO: 2.3: Delete this alias
+	LUA_RegisterGlobalUserdata(L, "S_sfx", lib_getSfxInfo, lib_setSfxInfo, lib_sfxlen);

 	return 0;
 }
--- a/src/lua_inputlib.c
+++ b/src/lua_inputlib.c
@ -20,6 +20,7 @@
 #include "lua_libs.h"

 boolean mousegrabbedbylua = true;
+boolean ignoregameinputs = false;

 ///////////////
 // FUNCTIONS //
@ -145,6 +146,51 @@ static luaL_Reg lib[] = {
 	{NULL, NULL}
 };

+///////////////
+// VARIABLES //
+///////////////
+
+static int lib_get(lua_State *L)
+{
+	const char *field = luaL_checkstring(L, 2);
+
+	if (fastcmp(field, "mouse"))
+	{
+		LUA_PushUserdata(L, &mouse, META_MOUSE);
+		return 1;
+	}
+	else if (fastcmp(field, "mouse2"))
+	{
+		LUA_PushUserdata(L, &mouse2, META_MOUSE);
+		return 1;
+	}
+	else if (fastcmp(field, "ignoregameinputs"))
+	{
+		lua_pushboolean(L, ignoregameinputs);
+		return 1;
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+static int lib_set(lua_State *L)
+{
+	const char *field = luaL_checkstring(L, 2);
+
+	if (fastcmp(field, "ignoregameinputs"))
+	{
+		ignoregameinputs = luaL_checkboolean(L, 3);
+	}
+	else
+	{
+		lua_rawset(L, 1);
+	}
+
+	return 0;
+}
+
 ///////////////////
 // gamekeydown[] //
 ///////////////////
@ -239,32 +285,18 @@ static int mouse_num(lua_State *L)

 int LUA_InputLib(lua_State *L)
 {
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getGameKeyDown);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_setGameKeyDown);
-			lua_setfield(L, -2, "__newindex");
-
-			lua_pushcfunction(L, lib_lenGameKeyDown);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "gamekeydown");
-
-	luaL_newmetatable(L, META_KEYEVENT);
-		lua_pushcfunction(L, keyevent_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_MOUSE);
-		lua_pushcfunction(L, mouse_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, mouse_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
+	LUA_RegisterUserdataMetatable(L, META_KEYEVENT, keyevent_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_MOUSE, mouse_get, NULL, mouse_num);

+	// Register the library, then add __index and __newindex
+	// metamethods to it to allow global variables
 	luaL_register(L, "input", lib);
+		LUA_CreateAndSetMetatable(L, lib_get, lib_set, NULL, false);
+
+		LUA_CreateAndSetUserdataField(L, -1, "gamekeydown", lib_getGameKeyDown, lib_setGameKeyDown, lib_lenGameKeyDown, false);
+		// TODO: 2.3: Delete this alias (moved to input library)
+		LUA_RegisterGlobalUserdata(L, "gamekeydown", lib_getGameKeyDown, lib_setGameKeyDown, lib_lenGameKeyDown);
+	lua_pop(L, 1);
+
 	return 0;
 }
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@ -13,6 +13,7 @@
 extern lua_State *gL;

 extern boolean mousegrabbedbylua;
+extern boolean ignoregameinputs;

 #define MUTABLE_TAGS

--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@ -35,7 +35,7 @@ enum sector_e {
 	sector_floorpic,
 	sector_floorxoffset,
 	sector_flooryoffset,
-	sector_floorangle,	
+	sector_floorangle,
 	sector_ceilingpic,
 	sector_ceilingxoffset,
 	sector_ceilingyoffset,
@ -43,7 +43,7 @@ enum sector_e {
 	sector_lightlevel,
 	sector_floorlightlevel,
 	sector_floorlightabsolute,
-	sector_floorlightsec,	
+	sector_floorlightsec,
 	sector_ceilinglightlevel,
 	sector_ceilinglightabsolute,
 	sector_ceilinglightsec,
@ -77,14 +77,14 @@ static const char *const sector_opt[] = {
 	"ceilingpic",
 	"ceilingxoffset",
 	"ceilingyoffset",
-	"ceilingangle",	
+	"ceilingangle",
 	"lightlevel",
 	"floorlightlevel",
 	"floorlightabsolute",
 	"floorlightsec",
 	"ceilinglightlevel",
 	"ceilinglightabsolute",
-	"ceilinglightsec",	
+	"ceilinglightsec",
 	"special",
 	"tag",
 	"taglist",
@ -663,11 +663,11 @@ static int sector_get(lua_State *L)
 		lua_pushfixed(L, sector->flooryoffset);
 		return 1;
 	}
-	case sector_floorangle: 
+	case sector_floorangle:
 	{
 		lua_pushangle(L, sector->floorangle);
 		return 1;
-	}	
+	}
 	case sector_ceilingpic: // ceilingpic
 	{
 		levelflat_t *levelflat = &levelflats[sector->ceilingpic];
@ -691,7 +691,7 @@ static int sector_get(lua_State *L)
 	{
 		lua_pushangle(L, sector->ceilingangle);
 		return 1;
-	}	
+	}
 	case sector_lightlevel:
 		lua_pushinteger(L, sector->lightlevel);
 		return 1;
@ -703,7 +703,7 @@ static int sector_get(lua_State *L)
 		return 1;
 	case sector_floorlightsec:
 		lua_pushinteger(L, sector->floorlightsec);
-		return 1;		
+		return 1;
 	case sector_ceilinglightlevel:
 		lua_pushinteger(L, sector->ceilinglightlevel);
 		return 1;
@ -712,7 +712,7 @@ static int sector_get(lua_State *L)
 		return 1;
 	case sector_ceilinglightsec:
 		lua_pushinteger(L, sector->ceilinglightsec);
-		return 1;		
+		return 1;
 	case sector_special:
 		lua_pushinteger(L, sector->special);
 		return 1;
@ -842,7 +842,7 @@ static int sector_set(lua_State *L)
 		break;
 	case sector_floorangle:
 		sector->floorangle = luaL_checkangle(L, 3);
-		break;				
+		break;
 	case sector_ceilingpic:
 		sector->ceilingpic = P_AddLevelFlatRuntime(luaL_checkstring(L, 3));
 		break;
@ -866,7 +866,7 @@ static int sector_set(lua_State *L)
 		break;
 	case sector_floorlightsec:
 		sector->floorlightsec = (INT32)luaL_checkinteger(L, 3);
-		break;		
+		break;
 	case sector_ceilinglightlevel:
 		sector->ceilinglightlevel = (INT16)luaL_checkinteger(L, 3);
 		break;
@ -875,7 +875,7 @@ static int sector_set(lua_State *L)
 		break;
 	case sector_ceilinglightsec:
 		sector->ceilinglightsec = (INT32)luaL_checkinteger(L, 3);
-		break;		
+		break;
 	case sector_special:
 		sector->special = (INT16)luaL_checkinteger(L, 3);
 		break;
@ -1043,17 +1043,7 @@ static int line_get(lua_State *L)
 		lua_pushinteger(L, line->special);
 		return 1;
 	case line_tag:
-		// HELLO
-		// THIS IS LJ SONIC
-		// HOW IS YOUR DAY?
-		// BY THE WAY WHEN 2.3 OR 3.0 OR 4.0 OR SRB3 OR SRB4 OR WHATEVER IS OUT
-		// YOU SHOULD REMEMBER TO CHANGE THIS SO IT ALWAYS RETURNS A UNSIGNED VALUE
-		// HAVE A NICE DAY
-		//
-		//
-		//
-		//
-		// you are ugly
+		// TODO: 2.3: Always return a unsigned value
 		lua_pushinteger(L, Tag_FGet(&line->tags));
 		return 1;
 	case line_taglist:
@ -1108,6 +1098,7 @@ static int line_get(lua_State *L)
 	case line_polyobj:
 		LUA_PushUserdata(L, line->polyobj, META_POLYOBJ);
 		return 1;
+	// TODO: 2.3: Delete
 	case line_text:
 		{
 			if (udmf)
@ -1241,6 +1232,7 @@ static int side_get(lua_State *L)
 	case side_repeatcnt:
 		lua_pushinteger(L, side->repeatcnt);
 		return 1;
+	// TODO: 2.3: Delete
 	case side_text:
 		{
 			if (udmf)
@ -2843,170 +2835,36 @@ static int mapheaderinfo_get(lua_State *L)

 int LUA_MapLib(lua_State *L)
 {
-	luaL_newmetatable(L, META_SECTORLINES);
-		lua_pushcfunction(L, sectorlines_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, sectorlines_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_SECTOR);
-		lua_pushcfunction(L, sector_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, sector_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, sector_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
+	LUA_RegisterUserdataMetatable(L, META_SECTORLINES, sectorlines_get, NULL, sectorlines_num);
+	LUA_RegisterUserdataMetatable(L, META_SECTOR, sector_get, sector_set, sector_num);
+	LUA_RegisterUserdataMetatable(L, META_SUBSECTOR, subsector_get, NULL, subsector_num);
+	LUA_RegisterUserdataMetatable(L, META_LINE, line_get, NULL, line_num);
+	LUA_RegisterUserdataMetatable(L, META_LINEARGS, lineargs_get, NULL, lineargs_len);
+	LUA_RegisterUserdataMetatable(L, META_LINESTRINGARGS, linestringargs_get, NULL, linestringargs_len);
+	LUA_RegisterUserdataMetatable(L, META_SIDENUM, sidenum_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_SIDE, side_get, side_set, side_num);
+	LUA_RegisterUserdataMetatable(L, META_VERTEX, vertex_get, NULL, vertex_num);
+	LUA_RegisterUserdataMetatable(L, META_FFLOOR, ffloor_get, ffloor_set, NULL);
+	LUA_RegisterUserdataMetatable(L, META_BBOX, bbox_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_SLOPE, slope_get, slope_set, NULL);
+	LUA_RegisterUserdataMetatable(L, META_VECTOR2, vector2_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_VECTOR3, vector3_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_MAPHEADER, mapheaderinfo_get, NULL, NULL);

 	sector_fields_ref = Lua_CreateFieldTable(L, sector_opt);
-
-	luaL_newmetatable(L, META_SUBSECTOR);
-		lua_pushcfunction(L, subsector_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, subsector_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
 	subsector_fields_ref = Lua_CreateFieldTable(L, subsector_opt);
-
-	luaL_newmetatable(L, META_LINE);
-		lua_pushcfunction(L, line_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, line_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
 	line_fields_ref = Lua_CreateFieldTable(L, line_opt);
-
-	luaL_newmetatable(L, META_LINEARGS);
-		lua_pushcfunction(L, lineargs_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, lineargs_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_LINESTRINGARGS);
-		lua_pushcfunction(L, linestringargs_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, linestringargs_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_SIDENUM);
-		lua_pushcfunction(L, sidenum_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_SIDE);
-		lua_pushcfunction(L, side_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, side_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, side_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
 	side_fields_ref = Lua_CreateFieldTable(L, side_opt);
-
-	luaL_newmetatable(L, META_VERTEX);
-		lua_pushcfunction(L, vertex_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, vertex_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
 	vertex_fields_ref = Lua_CreateFieldTable(L, vertex_opt);
-
-	luaL_newmetatable(L, META_FFLOOR);
-		lua_pushcfunction(L, ffloor_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, ffloor_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L, 1);
-
 	ffloor_fields_ref = Lua_CreateFieldTable(L, ffloor_opt);
-
-#ifdef HAVE_LUA_SEGS
-	luaL_newmetatable(L, META_SEG);
-		lua_pushcfunction(L, seg_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, seg_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	seg_fields_ref = Lua_CreateFieldTable(L, seg_opt);
-
-	luaL_newmetatable(L, META_NODE);
-		lua_pushcfunction(L, node_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, node_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	node_fields_ref = Lua_CreateFieldTable(L, node_opt);
-
-	luaL_newmetatable(L, META_NODEBBOX);
-		//lua_pushcfunction(L, nodebbox_get);
-		//lua_setfield(L, -2, "__index");
-		lua_pushcfunction(L, nodebbox_call);
-		lua_setfield(L, -2, "__call");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_NODECHILDREN);
-		lua_pushcfunction(L, nodechildren_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-#endif
-
-	luaL_newmetatable(L, META_BBOX);
-		lua_pushcfunction(L, bbox_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_SLOPE);
-		lua_pushcfunction(L, slope_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, slope_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L, 1);
-
 	slope_fields_ref = Lua_CreateFieldTable(L, slope_opt);
-
-	luaL_newmetatable(L, META_VECTOR2);
-		lua_pushcfunction(L, vector2_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_VECTOR3);
-		lua_pushcfunction(L, vector3_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_MAPHEADER);
-		lua_pushcfunction(L, mapheaderinfo_get);
-		lua_setfield(L, -2, "__index");
-
-		//lua_pushcfunction(L, mapheaderinfo_num);
-		//lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
 	mapheaderinfo_fields_ref = Lua_CreateFieldTable(L, mapheaderinfo_opt);

+	LUA_RegisterGlobalUserdata(L, "subsectors", lib_getSubsector, NULL, lib_numsubsectors);
+	LUA_RegisterGlobalUserdata(L, "sides", lib_getSide, NULL, lib_numsides);
+	LUA_RegisterGlobalUserdata(L, "vertexes", lib_getVertex, NULL, lib_numvertexes);
+	LUA_RegisterGlobalUserdata(L, "mapheaderinfo", lib_getMapheaderinfo, NULL, lib_nummapheaders);
+
 	LUA_PushTaggableObjectArray(L, "sectors",
 			lib_iterateSectors,
 			lib_getSector,
@ -3015,16 +2873,6 @@ int LUA_MapLib(lua_State *L)
 			&numsectors, &sectors,
 			sizeof (sector_t), META_SECTOR);

-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSubsector);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numsubsectors);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "subsectors");
-
 	LUA_PushTaggableObjectArray(L, "lines",
 			lib_iterateLines,
 			lib_getLine,
@ -3033,56 +2881,22 @@ int LUA_MapLib(lua_State *L)
 			&numlines, &lines,
 			sizeof (line_t), META_LINE);

-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSide);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numsides);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "sides");
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getVertex);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numvertexes);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "vertexes");
-
 #ifdef HAVE_LUA_SEGS
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSeg);
-			lua_setfield(L, -2, "__index");
+	LUA_RegisterUserdataMetatable(L, META_SEG, seg_get, NULL, seg_num);
+	LUA_RegisterUserdataMetatable(L, META_NODE, node_get, NULL, node_num);
+	LUA_RegisterUserdataMetatable(L, META_NODECHILDREN, nodechildren_get, NULL, NULL);

-			lua_pushcfunction(L, lib_numsegs);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "segs");
+	seg_fields_ref = Lua_CreateFieldTable(L, seg_opt);
+	node_fields_ref = Lua_CreateFieldTable(L, node_opt);

-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getNode);
-			lua_setfield(L, -2, "__index");
+	luaL_newmetatable(L, META_NODEBBOX);
+		//LUA_SetCFunctionField(L, "__index", nodebbox_get);
+		LUA_SetCFunctionField(L, "__call", nodebbox_call);
+	lua_pop(L, 1);

-			lua_pushcfunction(L, lib_numnodes);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "nodes");
+	LUA_RegisterGlobalUserdata(L, "segs", lib_getSeg, NULL, lib_numsegs);
+	LUA_RegisterGlobalUserdata(L, "nodes", lib_getNode, NULL, lib_numnodes);
 #endif

-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getMapheaderinfo);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_nummapheaders);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "mapheaderinfo");
 	return 0;
 }
--- a/src/lua_mathlib.c
+++ b/src/lua_mathlib.c
@ -125,6 +125,7 @@ static int lib_fixeddiv(lua_State *L)
 	return 1;
 }

+// TODO: 2.3: Delete
 static int lib_fixedrem(lua_State *L)
 {
 	LUA_Deprecated(L, "FixedRem(a, b)", "a % b");
--- a/src/lua_mobjlib.c
+++ b/src/lua_mobjlib.c
@ -1163,43 +1163,12 @@ static int lib_nummapthings(lua_State *L)

 int LUA_MobjLib(lua_State *L)
 {
-	luaL_newmetatable(L, META_MOBJ);
-		lua_pushcfunction(L, mobj_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, mobj_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L,1);
+	LUA_RegisterUserdataMetatable(L, META_MOBJ, mobj_get, mobj_set, NULL);
+	LUA_RegisterUserdataMetatable(L, META_THINGARGS, thingargs_get, NULL, thingargs_len);
+	LUA_RegisterUserdataMetatable(L, META_THINGSTRINGARGS, thingstringargs_get, NULL, thingstringargs_len);
+	LUA_RegisterUserdataMetatable(L, META_MAPTHING, mapthing_get, mapthing_set, mapthing_num);

 	mobj_fields_ref = Lua_CreateFieldTable(L, mobj_opt);
-
-	luaL_newmetatable(L, META_THINGARGS);
-		lua_pushcfunction(L, thingargs_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, thingargs_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_THINGSTRINGARGS);
-		lua_pushcfunction(L, thingstringargs_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, thingstringargs_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_MAPTHING);
-		lua_pushcfunction(L, mapthing_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, mapthing_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, mapthing_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
 	mapthing_fields_ref = Lua_CreateFieldTable(L, mapthing_opt);

 	LUA_PushTaggableObjectArray(L, "mapthings",
--- a/src/lua_playerlib.c
+++ b/src/lua_playerlib.c
@ -223,6 +223,7 @@ enum player_e
 	player_blocked,
 	player_jointime,
 	player_quittime,
+	player_lastinputtime,
 	player_ping,
 #ifdef HWRENDER
 	player_fovadd,
@ -371,6 +372,7 @@ static const char *const player_opt[] = {
 	"blocked",
 	"jointime",
 	"quittime",
+	"lastinputtime",
 	"ping",
 #ifdef HWRENDER
 	"fovadd",
@ -407,7 +409,7 @@ static int player_get(lua_State *L)
 	case player_realmo:
 		LUA_PushUserdata(L, plr->mo, META_MOBJ);
 		break;
-	// Kept for backward-compatibility
+	// TODO: 2.3: Kept for backward-compatibility
 	// Should be fixed to work like "realmo" later
 	case player_mo:
 		if (plr->spectator)
@ -826,6 +828,9 @@ static int player_get(lua_State *L)
 	case player_quittime:
 		lua_pushinteger(L, plr->quittime);
 		break;
+	case player_lastinputtime:
+		lua_pushinteger(L, plr->lastinputtime);
+		break;
 	case player_ping:
 		lua_pushinteger(L, playerpingtable[plr - players]);
 		break;
@ -1349,6 +1354,9 @@ static int player_set(lua_State *L)
 	case player_quittime:
 		plr->quittime = (tic_t)luaL_checkinteger(L, 3);
 		break;
+	case player_lastinputtime:
+		plr->lastinputtime = (tic_t)luaL_checkinteger(L, 3);
+		break;
 #ifdef HWRENDER
 	case player_fovadd:
 		plr->fovadd = luaL_checkfixed(L, 3);
@ -1523,48 +1531,13 @@ static int ticcmd_set(lua_State *L)

 int LUA_PlayerLib(lua_State *L)
 {
-	luaL_newmetatable(L, META_PLAYER);
-		lua_pushcfunction(L, player_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, player_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, player_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
+	LUA_RegisterUserdataMetatable(L, META_PLAYER, player_get, player_set, player_num);
+	LUA_RegisterUserdataMetatable(L, META_POWERS, power_get, power_set, power_len);
+	LUA_RegisterUserdataMetatable(L, META_TICCMD, ticcmd_get, ticcmd_set, NULL);

 	player_fields_ref = Lua_CreateFieldTable(L, player_opt);
-
-	luaL_newmetatable(L, META_POWERS);
-		lua_pushcfunction(L, power_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, power_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, power_len);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	luaL_newmetatable(L, META_TICCMD);
-		lua_pushcfunction(L, ticcmd_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, ticcmd_set);
-		lua_setfield(L, -2, "__newindex");
-	lua_pop(L,1);
-
 	ticcmd_fields_ref = Lua_CreateFieldTable(L, ticcmd_opt);

-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getPlayer);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_lenPlayer);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "players");
+	LUA_RegisterGlobalUserdata(L, "players", lib_getPlayer, NULL, lib_lenPlayer);
 	return 0;
 }
--- a/src/lua_polyobjlib.c
+++ b/src/lua_polyobjlib.c
@ -447,41 +447,10 @@ static int lib_numPolyObjects(lua_State *L)

 int LUA_PolyObjLib(lua_State *L)
 {
-	luaL_newmetatable(L, META_POLYOBJVERTICES);
-		lua_pushcfunction(L, polyobjvertices_get);
-		lua_setfield(L, -2, "__index");
+	LUA_RegisterUserdataMetatable(L, META_POLYOBJVERTICES, polyobjvertices_get, NULL, polyobjvertices_num);
+	LUA_RegisterUserdataMetatable(L, META_POLYOBJLINES, polyobjlines_get, NULL, polyobjlines_num);
+	LUA_RegisterUserdataMetatable(L, META_POLYOBJ, polyobj_get, polyobj_set, polyobj_num);

-		lua_pushcfunction(L, polyobjvertices_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_POLYOBJLINES);
-		lua_pushcfunction(L, polyobjlines_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, polyobjlines_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L, 1);
-
-	luaL_newmetatable(L, META_POLYOBJ);
-		lua_pushcfunction(L, polyobj_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, polyobj_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, polyobj_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getPolyObject);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numPolyObjects);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "polyobjects");
+	LUA_RegisterGlobalUserdata(L, "polyobjects", lib_getPolyObject, NULL, lib_numPolyObjects);
 	return 0;
 }
--- a/src/lua_script.c
+++ b/src/lua_script.c
@ -415,9 +415,11 @@ int LUA_PushGlobals(lua_State *L, const char *word)
 	} else if (fastcmp(word, "stagefailed")) {
 		lua_pushboolean(L, stagefailed);
 		return 1;
+	// TODO: 2.3: Deprecated (moved to the input library)
 	} else if (fastcmp(word, "mouse")) {
 		LUA_PushUserdata(L, &mouse, META_MOUSE);
 		return 1;
+	// TODO: 2.3: Deprecated (moved to the input library)
 	} else if (fastcmp(word, "mouse2")) {
 		LUA_PushUserdata(L, &mouse2, META_MOUSE);
 		return 1;
@ -576,8 +578,7 @@ static void LUA_ClearState(void)

 	// lock the global namespace
 	lua_getmetatable(L, LUA_GLOBALSINDEX);
-		lua_pushcfunction(L, setglobals);
-		lua_setfield(L, -2, "__newindex");
+		LUA_SetCFunctionField(L, "__newindex", setglobals);
 		lua_newtable(L);
 		lua_setfield(L, -2, "__metatable");
 	lua_pop(L, 1);
@ -1813,20 +1814,107 @@ void LUA_PushTaggableObjectArray
 	lua_newuserdata(L, 0);
 		lua_createtable(L, 0, 2);
 			lua_createtable(L, 0, 2);
-				lua_pushcfunction(L, iterator);
-				lua_setfield(L, -2, "iterate");
+				LUA_SetCFunctionField(L, "iterate", iterator);

 				LUA_InsertTaggroupIterator(L, garray,
 						max_elements, element_array, sizeof_element, meta);

 				lua_createtable(L, 0, 1);
-					lua_pushcfunction(L, indexer);
-					lua_setfield(L, -2, "__index");
+					LUA_SetCFunctionField(L, "__index", indexer);
 				lua_setmetatable(L, -2);
 			lua_setfield(L, -2, "__index");

-			lua_pushcfunction(L, counter);
-			lua_setfield(L, -2, "__len");
+			LUA_SetCFunctionField(L, "__len", counter);
 		lua_setmetatable(L, -2);
 	lua_setglobal(L, field);
 }
+
+static void SetBasicMetamethods(
+	lua_State *L,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len
+)
+{
+	if (get)
+		LUA_SetCFunctionField(L, "__index", get);
+	if (set)
+		LUA_SetCFunctionField(L, "__newindex", set);
+	if (len)
+		LUA_SetCFunctionField(L, "__len", len);
+}
+
+void LUA_SetCFunctionField(lua_State *L, const char *name, lua_CFunction value)
+{
+	lua_pushcfunction(L, value);
+	lua_setfield(L, -2, name);
+}
+
+void LUA_RegisterUserdataMetatable(
+	lua_State *L,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len
+)
+{
+	luaL_newmetatable(L, name);
+	SetBasicMetamethods(L, get, set, len);
+	lua_pop(L, 1);
+}
+
+// If keep is true, leaves the metatable on the stack.
+// Otherwise, the stack size remains unchanged.
+void LUA_CreateAndSetMetatable(
+	lua_State *L,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len,
+	boolean keep
+)
+{
+	lua_newtable(L);
+	SetBasicMetamethods(L, get, set, len);
+
+	lua_pushvalue(L, -1);
+	lua_setmetatable(L, -3);
+
+	if (!keep)
+		lua_pop(L, 1);
+}
+
+// If keep is true, leaves the userdata and metatable on the stack.
+// Otherwise, the stack size remains unchanged.
+void LUA_CreateAndSetUserdataField(
+	lua_State *L,
+	int index,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len,
+	boolean keep
+)
+{
+	if (index < 0 && index > LUA_REGISTRYINDEX)
+		index -= 3;
+
+	lua_newuserdata(L, 0);
+	LUA_CreateAndSetMetatable(L, get, set, len, true);
+
+	lua_pushvalue(L, -2);
+	lua_setfield(L, index, name);
+
+	if (!keep)
+		lua_pop(L, 2);
+}
+
+void LUA_RegisterGlobalUserdata(
+	lua_State *L,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len
+)
+{
+	LUA_CreateAndSetUserdataField(L, LUA_GLOBALSINDEX, name, get, set, len, false);
+}
--- a/src/lua_script.h
+++ b/src/lua_script.h
@ -73,6 +73,42 @@ void LUA_PushTaggableObjectArray
 		size_t sizeof_element,
 		const char *meta);

+void LUA_SetCFunctionField(lua_State *L, const char *name, lua_CFunction value);
+
+void LUA_RegisterUserdataMetatable(
+	lua_State *L,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len
+);
+
+void LUA_CreateAndSetMetatable(
+	lua_State *L,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len,
+	boolean keep
+);
+
+void LUA_CreateAndSetUserdataField(
+	lua_State *L,
+	int index,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len,
+	boolean keep
+);
+
+void LUA_RegisterGlobalUserdata(
+	lua_State *L,
+	const char *name,
+	lua_CFunction get,
+	lua_CFunction set,
+	lua_CFunction len
+);
+
 void LUA_InsertTaggroupIterator
 (		lua_State *L,
 		taggroup_t *garray[],
--- a/src/lua_skinlib.c
+++ b/src/lua_skinlib.c
@ -373,49 +373,14 @@ static int sprite_get(lua_State *L)

 int LUA_SkinLib(lua_State *L)
 {
-	luaL_newmetatable(L, META_SKIN);
-		lua_pushcfunction(L, skin_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, skin_set);
-		lua_setfield(L, -2, "__newindex");
-
-		lua_pushcfunction(L, skin_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
+	LUA_RegisterUserdataMetatable(L, META_SKIN, skin_get, skin_set, skin_num);
+	LUA_RegisterUserdataMetatable(L, META_SOUNDSID, soundsid_get, NULL, soundsid_num);
+	LUA_RegisterUserdataMetatable(L, META_SKINSPRITES, lib_getSkinSprite, NULL, lib_numSkinsSprites);
+	LUA_RegisterUserdataMetatable(L, META_SKINSPRITESLIST, sprite_get, NULL, NULL);

 	skin_fields_ref = Lua_CreateFieldTable(L, skin_opt);

-	luaL_newmetatable(L, META_SOUNDSID);
-		lua_pushcfunction(L, soundsid_get);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, soundsid_num);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	luaL_newmetatable(L, META_SKINSPRITES);
-		lua_pushcfunction(L, lib_getSkinSprite);
-		lua_setfield(L, -2, "__index");
-
-		lua_pushcfunction(L, lib_numSkinsSprites);
-		lua_setfield(L, -2, "__len");
-	lua_pop(L,1);
-
-	luaL_newmetatable(L, META_SKINSPRITESLIST);
-		lua_pushcfunction(L, sprite_get);
-		lua_setfield(L, -2, "__index");
-	lua_pop(L,1);
-
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_pushcfunction(L, lib_getSkin);
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numSkins);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "skins");
+	LUA_RegisterGlobalUserdata(L, "skins", lib_getSkin, NULL, lib_numSkins);

 	return 0;
 }
--- a/src/lua_taglib.c
+++ b/src/lua_taglib.c
@ -372,8 +372,7 @@ void LUA_InsertTaggroupIterator
 		lua_pushcclosure(L, lib_numTaggroupElements, 2);
 		lua_setfield(L, -2, "__len");

-		lua_pushcfunction(L, element_iterator);
-		lua_setfield(L, -2, "__call");
+		LUA_SetCFunctionField(L, "__call", element_iterator);
 	lua_pushcclosure(L, lib_getTaggroup, 1);
 	lua_setfield(L, -2, "tagged");
 }
@ -414,11 +413,9 @@ set_taglist_metatable(lua_State *L, const char *meta)
 		lua_setfenv(L, -2);
 		lua_setfield(L, -2, "__index");

-		lua_pushcfunction(L, taglist_len);
-		lua_setfield(L, -2, "__len");
+		LUA_SetCFunctionField(L, "__len", taglist_len);

-		lua_pushcfunction(L, taglist_equal);
-		lua_setfield(L, -2, "__eq");
+		LUA_SetCFunctionField(L, "__eq", taglist_equal);
 #ifdef MUTABLE_TAGS
 	return luaL_ref(L, LUA_REGISTRYINDEX);
 #endif
@ -426,17 +423,11 @@ set_taglist_metatable(lua_State *L, const char *meta)

 int LUA_TagLib(lua_State *L)
 {
-	lua_newuserdata(L, 0);
-		lua_createtable(L, 0, 2);
-			lua_createtable(L, 0, 1);
-				lua_pushcfunction(L, lib_iterateTags);
-				lua_setfield(L, -2, "iterate");
-			lua_setfield(L, -2, "__index");
-
-			lua_pushcfunction(L, lib_numTags);
-			lua_setfield(L, -2, "__len");
-		lua_setmetatable(L, -2);
-	lua_setglobal(L, "tags");
+	LUA_CreateAndSetUserdataField(L, LUA_GLOBALSINDEX, "tags", NULL, NULL, lib_numTags, true);
+		lua_createtable(L, 0, 1);
+			LUA_SetCFunctionField(L, "iterate", lib_iterateTags);
+		lua_setfield(L, -2, "__index");
+	lua_pop(L, 2);

 	open_taglist(L);

--- a/src/lua_thinkerlib.c
+++ b/src/lua_thinkerlib.c
@ -127,8 +127,7 @@ static int lib_startIterate(lua_State *L)
 int LUA_ThinkerLib(lua_State *L)
 {
 	luaL_newmetatable(L, META_ITERATIONSTATE);
-	lua_pushcfunction(L, iterationState_gc);
-	lua_setfield(L, -2, "__gc");
+	LUA_SetCFunctionField(L, "__gc", iterationState_gc);
 	lua_pop(L, 1);

 	lua_createtable(L, 0, 1);
--- a/src/m_anigif.c
+++ b/src/m_anigif.c
@ -462,7 +462,7 @@ static void GIF_headwrite(void)
 	// Image width/height
 	if (gif_downscale)
 	{
-		scrbuf_downscaleamt = vid.dupx;
+		scrbuf_downscaleamt = vid.dup;
 		rwidth = (vid.width / scrbuf_downscaleamt);
 		rheight = (vid.height / scrbuf_downscaleamt);
 	}
--- a/src/m_menu.c
+++ b/src/m_menu.c
@ -214,7 +214,7 @@ static fixed_t lsoffs[2];
 #define lshli levelselectselect[2]

 #define lshseperation 101
-#define lsbasevseperation ((62*vid.height)/(BASEVIDHEIGHT*vid.dupy)) //62
+#define lsbasevseperation ((62*vid.height)/(BASEVIDHEIGHT*vid.dup)) //62
 #define lsheadingheight 16
 #define getheadingoffset(row) (levelselect.rows[row].header[0] ? lsheadingheight : 0)
 #define lsvseperation(row) (lsbasevseperation + getheadingoffset(row))
@ -3574,16 +3574,16 @@ void M_Drawer(void)
 		{
 			if (customversionstring[0] != '\0')
 			{
-				V_DrawThinString(vid.dupx, vid.height - 17*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT, "Mod version:");
-				V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, customversionstring);
+				V_DrawThinString(vid.dup, vid.height - 17*vid.dup, V_NOSCALESTART|V_TRANSLUCENT, "Mod version:");
+				V_DrawThinString(vid.dup, vid.height -  9*vid.dup, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, customversionstring);
 			}
 			else
 			{
 #ifdef DEVELOP // Development -- show revision / branch info
-				V_DrawThinString(vid.dupx, vid.height - 17*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, compbranch);
-				V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy,  V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, comprevision);
+				V_DrawThinString(vid.dup, vid.height - 17*vid.dup, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, compbranch);
+				V_DrawThinString(vid.dup, vid.height -  9*vid.dup, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, comprevision);
 #else // Regular build
-				V_DrawThinString(vid.dupx, vid.height - 9*vid.dupy, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, va("%s", VERSIONSTRING));
+				V_DrawThinString(vid.dup, vid.height -  9*vid.dup, V_NOSCALESTART|V_TRANSLUCENT|V_ALLOWLOWERCASE, va("%s", VERSIONSTRING));
 #endif
 			}
 		}
@ -5757,16 +5757,15 @@ static void M_DrawRecordAttackForeground(void)

 	INT32 i;
 	INT32 height = (fg->height / 2);
-	INT32 dupz = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy);

 	for (i = -12; i < (BASEVIDHEIGHT/height) + 12; i++)
 	{
 		INT32 y = ((i*height) - (height - ((FixedInt(recatkdrawtimer*2))%height)));
 		// don't draw above the screen
 		{
-			INT32 sy = FixedMul(y, dupz<<FRACBITS) >> FRACBITS;
-			if (vid.height != BASEVIDHEIGHT * dupz)
-				sy += (vid.height - (BASEVIDHEIGHT * dupz)) / 2;
+			INT32 sy = FixedMul(y, vid.dup<<FRACBITS) >> FRACBITS;
+			if (vid.height != BASEVIDHEIGHT * vid.dup)
+				sy += (vid.height - (BASEVIDHEIGHT * vid.dup)) / 2;
 			if ((sy+height) < 0)
 				continue;
 		}
@ -5790,13 +5789,12 @@ static void M_DrawRecordAttackForeground(void)
 static void M_DrawNightsAttackMountains(void)
 {
 	static fixed_t bgscrollx;
-	INT32 dupz = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy);
 	patch_t *background = W_CachePatchName(curbgname, PU_PATCH);
 	INT16 w = background->width;
 	INT32 x = FixedInt(-bgscrollx) % w;
 	INT32 y = BASEVIDHEIGHT - (background->height * 2);

-	if (vid.height != BASEVIDHEIGHT * dupz)
+	if (vid.height != BASEVIDHEIGHT * vid.dup)
 		V_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, 158);
 	V_DrawFill(0, y+50, vid.width, BASEVIDHEIGHT, V_SNAPTOLEFT|31);

@ -5952,7 +5950,7 @@ static void M_DrawLevelPlatterMenu(void)
 	}

 	// draw from top to bottom
-	while (y < (vid.height/vid.dupy))
+	while (y < (vid.height/vid.dup))
 	{
 		M_DrawLevelPlatterRow(iter, y);
 		y += lsvseperation(iter);
@ -7799,9 +7797,9 @@ static void M_DrawSoundTest(void)
 		}
 	}

-	y = (BASEVIDWIDTH-(vid.width/vid.dupx))/2;
+	y = (BASEVIDWIDTH-(vid.width/vid.dup))/2;

-	V_DrawFill(y, 20, vid.width/vid.dupx, 24, 159);
+	V_DrawFill(y, 20, vid.width/vid.dup, 24, 159);
 	{
 		static fixed_t st_scroll = -FRACUNIT;
 		const char* titl;
@ -8371,8 +8369,8 @@ static void M_DrawLoadGameData(void)
 	INT32 i, prev_i = 1, savetodraw, x, y, hsep = 90;
 	skin_t *charskin = NULL;

-	if (vid.width != BASEVIDWIDTH*vid.dupx)
-		hsep = (hsep*vid.width)/(BASEVIDWIDTH*vid.dupx);
+	if (vid.width != BASEVIDWIDTH*vid.dup)
+		hsep = (hsep*vid.width)/(BASEVIDWIDTH*vid.dup);

 	for (i = 2; prev_i; i = -(i + ((UINT32)i >> 31))) // draws from outwards in; 2, -2, 1, -1, 0
 	{
@ -9357,7 +9355,7 @@ static void M_DrawSetupChoosePlayerMenu(void)
 	INT16 bgwidth = charbg->width;
 	INT16 fgwidth = charfg->width;
 	INT32 x, y;
-	INT32 w = (vid.width/vid.dupx);
+	INT32 w = (vid.width/vid.dup);

 	if (abs(char_scroll) > FRACUNIT/4)
 		char_scroll -= FixedMul((char_scroll>>2), renderdeltatics);
@ -9393,7 +9391,7 @@ static void M_DrawSetupChoosePlayerMenu(void)
 	// Background and borders
 	V_DrawFill(0, 0, bgwidth, vid.height, V_SNAPTOTOP|colormap[101]);
 	{
-		INT32 sw = (BASEVIDWIDTH * vid.dupx);
+		INT32 sw = (BASEVIDWIDTH * vid.dup);
 		INT32 bw = (vid.width - sw) / 2;
 		col = colormap[106];
 		if (bw)
@ -10815,7 +10813,7 @@ void M_DrawMarathon(void)
 	const char *cvstring;
 	char *work;
 	angle_t fa;
-	INT32 dupz = (vid.dupx < vid.dupy ? vid.dupx : vid.dupy), xspan = (vid.width/dupz), yspan = (vid.height/dupz), diffx = (xspan - BASEVIDWIDTH)/2, diffy = (yspan - BASEVIDHEIGHT)/2, maxy = BASEVIDHEIGHT + diffy;
+	INT32 xspan = (vid.width/vid.dup), yspan = (vid.height/vid.dup), diffx = (xspan - BASEVIDWIDTH)/2, diffy = (yspan - BASEVIDHEIGHT)/2, maxy = BASEVIDHEIGHT + diffy;

 	curbgxspeed = 0;
 	curbgyspeed = 18;
@ -10888,16 +10886,17 @@ void M_DrawMarathon(void)
 		INT32 trans = V_60TRANS+((cnt&~3)<<(V_ALPHASHIFT-2));
 		INT32 height = fg->height / 2;
 		char patchname[7] = "CEMGx0";
+		INT32 dup;

-		dupz = (w*7)/6; //(w*42*120)/(360*6); -- I don't know why this works but I'm not going to complain.
-		dupz = ((dupz>>FRACBITS) % height);
+		dup = (w*7)/6; //(w*42*120)/(360*6); -- I don't know why this works but I'm not going to complain.
+		dup = ((dup>>FRACBITS) % height);
 		y = height/2;
-		while (y+dupz >= -diffy)
+		while (y+dup >= -diffy)
 			y -= height;
-		while (y-2-dupz < maxy)
+		while (y-2-dup < maxy)
 		{
-			V_DrawFixedPatch(((BASEVIDWIDTH-190)<<(FRACBITS-1)), (y-2-dupz)<<FRACBITS, FRACUNIT/2, trans, fg, NULL);
-			V_DrawFixedPatch(((BASEVIDWIDTH+190)<<(FRACBITS-1)), (y+dupz)<<FRACBITS, FRACUNIT/2, trans|V_FLIP, fg, NULL);
+			V_DrawFixedPatch(((BASEVIDWIDTH-190)<<(FRACBITS-1)), (y-2-dup)<<FRACBITS, FRACUNIT/2, trans, fg, NULL);
+			V_DrawFixedPatch(((BASEVIDWIDTH+190)<<(FRACBITS-1)), (y+dup)<<FRACBITS, FRACUNIT/2, trans|V_FLIP, fg, NULL);
 			y += height;
 		}

@ -10915,16 +10914,16 @@ void M_DrawMarathon(void)
 		}

 		height = 18; // prevents the need for the next line
-		//dupz = (w*height)/18;
-		dupz = ((w>>FRACBITS) % height);
-		y = dupz+(height/4);
-		x = 105+dupz;
+		//dup = (w*height)/18;
+		dup = ((w>>FRACBITS) % height);
+		y = dup+(height/4);
+		x = 105+dup;
 		while (y >= -diffy)
 		{
 			x -= height;
 			y -= height;
 		}
-		while (y-dupz < maxy && x < (xspan/2))
+		while (y-dup < maxy && x < (xspan/2))
 		{
 			V_DrawFill((BASEVIDWIDTH/2)-x-height, -diffy, height, diffy+y+height, 153);
 			V_DrawFill((BASEVIDWIDTH/2)+x, (maxy-y)-height, height, height+y, 153);
--- a/src/m_misc.c
+++ b/src/m_misc.c
@ -989,7 +989,7 @@ static inline boolean M_PNGLib(void)

 static void M_PNGFrame(png_structp png_ptr, png_infop png_info_ptr, png_bytep png_buf)
 {
-	png_uint_16 downscale = apng_downscale ? vid.dupx : 1;
+	png_uint_16 downscale = apng_downscale ? vid.dup : 1;

 	png_uint_32 pitch = png_get_rowbytes(png_ptr, png_info_ptr);
 	PNG_CONST png_uint_32 width = vid.width / downscale;
@ -1055,7 +1055,7 @@ static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)

 	apng_downscale = (!!cv_apng_downscale.value);

-	downscale = apng_downscale ? vid.dupx : 1;
+	downscale = apng_downscale ? vid.dup : 1;

 	apng_FILE = fopen(filename,"wb+"); // + mode for reading
 	if (!apng_FILE)
--- a/src/netcode/commands.c
+++ b/src/netcode/commands.c
@ -96,7 +96,7 @@ void Ban_Load_File(boolean warning)

 	Ban_Clear();

-	for (size_t i=0; fgets(buffer, (int)sizeof(buffer), f); i++)
+	for (; fgets(buffer, (int)sizeof(buffer), f);)
 	{
 		address = strtok(buffer, " \t\r\n");
 		mask = strtok(NULL, " \t\r\n");
--- a/src/netcode/d_clisrv.c
+++ b/src/netcode/d_clisrv.c
@ -113,6 +113,7 @@ consvar_t cv_blamecfail = CVAR_INIT ("blamecfail", "Off", CV_SAVE|CV_NETVAR, CV_
 static CV_PossibleValue_t playbackspeed_cons_t[] = {{1, "MIN"}, {10, "MAX"}, {0, NULL}};
 consvar_t cv_playbackspeed = CVAR_INIT ("playbackspeed", "1", 0, playbackspeed_cons_t, NULL);

+consvar_t cv_idletime = CVAR_INIT ("idletime", "0", CV_SAVE, CV_Unsigned, NULL);
 consvar_t cv_dedicatedidletime = CVAR_INIT ("dedicatedidletime", "10", CV_SAVE, CV_Unsigned, NULL);

 void ResetNode(INT32 node)
@ -226,6 +227,7 @@ static void Got_AddPlayer(UINT8 **p, INT32 playernum)

 	newplayer->jointime = 0;
 	newplayer->quittime = 0;
+	newplayer->lastinputtime = 0;

 	READSTRINGN(*p, player_names[newplayernum], MAXPLAYERNAME);

@ -492,6 +494,10 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 			HU_AddChatText(va("\x82*%s has been banned (%s)", player_names[pnum], reason), false);
 			kickreason = KR_BAN;
 			break;
+		case KICK_MSG_IDLE:
+			HU_AddChatText(va("\x82*%s has left the game (Inactive for too long)", player_names[pnum]), false);
+			kickreason = KR_TIMEOUT;
+			break;
 	}

 	if (pnum == consoleplayer)
@ -507,6 +513,8 @@ static void Got_KickCmd(UINT8 **p, INT32 playernum)
 			M_StartMessage(M_GetText("Server closed connection\n(synch failure)\nPress ESC\n"), NULL, MM_NOTHING);
 		else if (msg == KICK_MSG_PING_HIGH)
 			M_StartMessage(M_GetText("Server closed connection\n(Broke ping limit)\nPress ESC\n"), NULL, MM_NOTHING);
+		else if (msg == KICK_MSG_IDLE)
+			M_StartMessage(M_GetText("Server closed connection\n(Inactive for too long)\nPress ESC\n"), NULL, MM_NOTHING);
 		else if (msg == KICK_MSG_BANNED)
 			M_StartMessage(M_GetText("You have been banned by the server\n\nPress ESC\n"), NULL, MM_NOTHING);
 		else if (msg == KICK_MSG_CUSTOM_KICK)
@ -1267,6 +1275,32 @@ static void UpdatePingTable(void)
 	}
 }

+static void IdleUpdate(void)
+{
+	INT32 i;
+	if (!server || !netgame)
+		return;
+
+	for (i = 1; i < MAXPLAYERS; i++)
+	{
+		if (cv_idletime.value && playeringame[i] && playernode[i] != UINT8_MAX && !players[i].quittime && !players[i].spectator && !players[i].bot && !IsPlayerAdmin(i) && i != serverplayer)
+		{
+			if (players[i].cmd.forwardmove || players[i].cmd.sidemove || players[i].cmd.buttons)
+				players[i].lastinputtime = 0;
+			else
+				players[i].lastinputtime++;
+
+			if (players[i].lastinputtime > (tic_t)cv_idletime.value * TICRATE * 60)
+			{
+				players[i].lastinputtime = 0;
+				SendKick(i, KICK_MSG_IDLE | KICK_MSG_KEEP_BODY);
+			}
+		}
+		else
+			players[i].lastinputtime = 0;
+	}
+}
+
 // Handle timeouts to prevent definitive freezes from happenning
 static void HandleNodeTimeouts(void)
 {
@ -1299,6 +1333,8 @@ void NetKeepAlive(void)

 	GetPackets();

+	IdleUpdate();
+
 #ifdef MASTERSERVER
 	MasterClient_Ticker();
 #endif
@ -1419,6 +1455,8 @@ void NetUpdate(void)

 	GetPackets(); // get packet from client or from server

+	IdleUpdate();
+
 	// The client sends the command after receiving from the server
 	// The server sends it before because this is better in single player

--- a/src/netcode/d_clisrv.h
+++ b/src/netcode/d_clisrv.h
@ -48,7 +48,7 @@ typedef enum
 	KR_TIMEOUT       = 4, //Connection Timeout
 	KR_BAN           = 5, //Banned by server
 	KR_LEAVE         = 6, //Quit the game
-
+	KR_IDLE          = 7, //Remained still for too long
 } kickreason_t;

 /* the max number of name changes in some time period */
@ -73,7 +73,7 @@ extern UINT32 realpingtable[MAXPLAYERS];
 extern UINT32 playerpingtable[MAXPLAYERS];
 extern tic_t servermaxping;

-extern consvar_t cv_netticbuffer, cv_resynchattempts, cv_blamecfail, cv_playbackspeed, cv_dedicatedidletime;
+extern consvar_t cv_netticbuffer, cv_resynchattempts, cv_blamecfail, cv_playbackspeed, cv_idletime, cv_dedicatedidletime;

 // Used in d_net, the only dependence
 void D_ClientServerInit(void);
--- a/src/netcode/d_netcmd.c
+++ b/src/netcode/d_netcmd.c
@ -601,6 +601,7 @@ void D_RegisterServerCommands(void)
 	CV_RegisterVar(&cv_showjoinaddress);
 	CV_RegisterVar(&cv_blamecfail);
 	CV_RegisterVar(&cv_dedicatedidletime);
+	CV_RegisterVar(&cv_idletime);

 	COM_AddCommand("ping", Command_Ping_f, COM_LUA);
 	CV_RegisterVar(&cv_nettimeout);
@ -1241,7 +1242,7 @@ static void SetColorLocal(INT32 playernum, UINT16 color)
 //
 static void SendNameAndColor(void)
 {
-	char buf[MAXPLAYERNAME+6];
+	char buf[MAXPLAYERNAME+7];
 	char *p;

 	p = buf;
--- a/src/netcode/protocol.h
+++ b/src/netcode/protocol.h
@ -331,6 +331,7 @@ typedef struct
 #define KICK_MSG_PING_HIGH   6
 #define KICK_MSG_CUSTOM_KICK 7
 #define KICK_MSG_CUSTOM_BAN  8
+#define KICK_MSG_IDLE        9
 #define KICK_MSG_KEEP_BODY   0x80

 #endif
--- a/src/p_local.h
+++ b/src/p_local.h
@ -204,6 +204,7 @@ void P_Earthquake(mobj_t *inflictor, mobj_t *source, fixed_t radius);
 boolean P_HomingAttack(mobj_t *source, mobj_t *enemy); /// \todo doesn't belong in p_user
 boolean P_SuperReady(player_t *player);
 void P_DoJump(player_t *player, boolean soundandstate);
+void P_DoSpinDashDust(player_t *player);
 #define P_AnalogMove(player) (P_ControlStyle(player) == CS_LMAOGALOG)
 boolean P_TransferToNextMare(player_t *player);
 UINT8 P_FindLowestMare(void);
@ -214,6 +215,10 @@ void P_SpawnThokMobj(player_t *player);
 void P_SpawnSpinMobj(player_t *player, mobjtype_t type);
 void P_Telekinesis(player_t *player, fixed_t thrust, fixed_t range);

+void P_DoTailsOverlay(player_t *player, mobj_t *tails);
+void P_DoMetalJetFume(player_t *player, mobj_t *fume);
+void P_DoFollowMobj(player_t *player, mobj_t *followmobj);
+
 void P_PlayLivesJingle(player_t *player);
 #define P_PlayRinglossSound(s)	S_StartSound(s, (mariomode) ? sfx_mario8 : sfx_altow1 + P_RandomKey(4));
 #define P_PlayDeathSound(s)		S_StartSound(s, sfx_altdi1 + P_RandomKey(4));
@ -298,6 +303,7 @@ void P_RunOverlays(void);
 void P_HandleMinecartSegments(mobj_t *mobj);
 void P_MobjThinker(mobj_t *mobj);
 boolean P_RailThinker(mobj_t *mobj);
+boolean P_CheckSkyHit(mobj_t *mo, line_t *line);
 void P_PushableThinker(mobj_t *mobj);
 void P_SceneryThinker(mobj_t *mobj);

@ -535,6 +541,9 @@ boolean P_Teleport(mobj_t *thing, fixed_t x, fixed_t y, fixed_t z, angle_t angle
 boolean P_SetMobjStateNF(mobj_t *mobj, statenum_t state);
 boolean P_CheckMissileSpawn(mobj_t *th);
 void P_Thrust(mobj_t *mo, angle_t angle, fixed_t move);
+void P_ThrustEvenIn2D(mobj_t *mo, angle_t angle, fixed_t move);
+void P_VectorInstaThrust(fixed_t xa, fixed_t xb, fixed_t xc, fixed_t ya, fixed_t yb, fixed_t yc,
+            fixed_t za, fixed_t zb, fixed_t zc, fixed_t momentum, mobj_t *mo);
 void P_DoSuperTransformation(player_t *player, boolean giverings);
 void P_ExplodeMissile(mobj_t *mo);
 void P_CheckGravity(mobj_t *mo, boolean affect);
--- a/src/p_map.c
+++ b/src/p_map.c
@ -3730,7 +3730,9 @@ void P_SlideMove(mobj_t *mo)

 	boolean papercol = false;
 	vertex_t v1, v2; // fake vertexes
-	line_t junk; // fake linedef
+	static line_t junk; // fake linedef
+
+	memset(&junk, 0x00, sizeof(junk));

 	if (tmhitthing && mo->z + mo->height > tmhitthing->z && mo->z < tmhitthing->z + tmhitthing->height)
 	{
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@ -1779,14 +1779,15 @@ bustupdone:
 //
 // P_CheckSkyHit
 //
-static boolean P_CheckSkyHit(mobj_t *mo)
+boolean P_CheckSkyHit(mobj_t *mo, line_t *line)
 {
-	if (ceilingline && ceilingline->backsector
-		&& ceilingline->backsector->ceilingpic == skyflatnum
-		&& ceilingline->frontsector
-		&& ceilingline->frontsector->ceilingpic == skyflatnum
-		&& (mo->z >= ceilingline->frontsector->ceilingheight
-		|| mo->z >= ceilingline->backsector->ceilingheight))
+	if (line && (line->special == 41 ||
+		(line->backsector
+		&& line->backsector->ceilingpic == skyflatnum
+		&& line->frontsector
+		&& line->frontsector->ceilingpic == skyflatnum
+		&& (mo->z >= line->frontsector->ceilingheight
+		|| mo->z >= line->backsector->ceilingheight))))
 			return true;
 	return false;
 }
@ -1893,7 +1894,7 @@ void P_XYMovement(mobj_t *mo)
 					mo->fuse += ((5 - mo->threshold) * TICRATE);

 				// Check for hit against sky here
-				if (P_CheckSkyHit(mo))
+				if (P_CheckSkyHit(mo, ceilingline))
 				{
 					// Hack to prevent missiles exploding
 					// against the sky.
@ -1913,7 +1914,7 @@ void P_XYMovement(mobj_t *mo)
 			mo->flags &= ~MF_STICKY; //Don't check again!

 			// Check for hit against sky here
-			if (P_CheckSkyHit(mo))
+			if (P_CheckSkyHit(mo, ceilingline))
 			{
 				// Hack to prevent missiles exploding
 				// against the sky.
@ -1972,7 +1973,7 @@ void P_XYMovement(mobj_t *mo)
 		else if (mo->flags & MF_MISSILE)
 		{
 			// explode a missile
-			if (P_CheckSkyHit(mo))
+			if (P_CheckSkyHit(mo, ceilingline))
 			{
 				// Hack to prevent missiles exploding
 				// against the sky.
@ -10544,6 +10545,7 @@ static fixed_t P_DefaultMobjShadowScale (mobj_t *thing)
 		case MT_SMALLGRABCHAIN:
 		case MT_BIGGRABCHAIN:

+		case MT_BLUESPRINGBALL:
 		case MT_YELLOWSPRINGBALL:
 		case MT_REDSPRINGBALL:

@ -10571,14 +10573,14 @@ static fixed_t P_DefaultMobjShadowScale (mobj_t *thing)
 		case MT_EXPLOSIONRING:
 		case MT_SCATTERRING:
 		case MT_GRENADERING:
-		
+
 		case MT_BOUNCEPICKUP:
 		case MT_RAILPICKUP:
 		case MT_AUTOPICKUP:
 		case MT_EXPLODEPICKUP:
 		case MT_SCATTERPICKUP:
 		case MT_GRENADEPICKUP:
-		
+
 		case MT_REDRING:
 		case MT_THROWNBOUNCE:
 		case MT_THROWNINFINITY:
@ -13319,7 +13321,7 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 	return true;
 }

-// Pre-UDMF backwards compatibility stuff. Remove for 2.3
+// TODO: 2.3: Delete (Pre-UDMF backwards compatibility stuff)
 static void P_SetAmbush(mapthing_t *mthing, mobj_t *mobj)
 {
 	if (mobj->type == MT_NIGHTSBUMPER
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@ -175,7 +175,7 @@ static void P_NetArchivePlayers(void)
 		WRITEUINT16(save_p, players[i].flashpal);
 		WRITEUINT16(save_p, players[i].flashcount);

-		WRITEUINT8(save_p, players[i].skincolor);
+		WRITEUINT16(save_p, players[i].skincolor);
 		WRITEINT32(save_p, players[i].skin);
 		WRITEUINT32(save_p, players[i].availabilities);
 		WRITEUINT32(save_p, players[i].score);
@ -404,7 +404,7 @@ static void P_NetUnArchivePlayers(void)
 		players[i].flashpal = READUINT16(save_p);
 		players[i].flashcount = READUINT16(save_p);

-		players[i].skincolor = READUINT8(save_p);
+		players[i].skincolor = READUINT16(save_p);
 		players[i].skin = READINT32(save_p);
 		players[i].availabilities = READUINT32(save_p);
 		players[i].score = READUINT32(save_p);
--- a/src/p_saveg.h
+++ b/src/p_saveg.h
@ -18,7 +18,7 @@
 #pragma interface
 #endif

-#define NEWSKINSAVES (INT16_MAX) // Purely for backwards compatibility, remove this for 2.3
+#define NEWSKINSAVES (INT16_MAX) // TODO: 2.3: Delete (Purely for backwards compatibility)

 // Persistent storage/archiving.
 // These are the load / save game routines.
--- a/src/p_setup.c
+++ b/src/p_setup.c
@ -1633,7 +1633,7 @@ static void ParseTextmapSectorParameter(UINT32 i, const char *param, const char
 			if ((id = strchr(id, ' ')))
 				id++;
 		}
-	}	
+	}
 	else if (fastcmp(param, "xpanningfloor"))
 		sectors[i].floorxoffset = FLOAT_TO_FIXED(atof(val));
 	else if (fastcmp(param, "ypanningfloor"))
@ -6083,6 +6083,7 @@ static void P_ConvertBinarySectorTypes(void)
 			case 14: //Non-ramp sector
 				sectors[i].specialflags |= SSF_NOSTEPDOWN;
 				break;
+			// TODO: 2.3: Delete
 			case 15: //Bouncy FOF
 				CONS_Alert(CONS_WARNING, M_GetText("Deprecated bouncy FOF sector type detected. Please use linedef type 76 instead.\n"));
 				break;
@ -6117,12 +6118,14 @@ static void P_ConvertBinarySectorTypes(void)
 				sectors[i].flags |= MSF_TRIGGERLINE_PLANE;
 				sectors[i].triggerer = TO_PLAYER;
 				break;
+			// TODO: 2.3: Delete
 			case 6: //Trigger linedef executor (Emerald check)
 				CONS_Alert(CONS_WARNING, M_GetText("Deprecated emerald check sector type detected. Please use linedef types 337-339 instead.\n"));
 				sectors[i].triggertag = tag;
 				sectors[i].flags &= ~MSF_TRIGGERLINE_PLANE;
 				sectors[i].triggerer = TO_PLAYEREMERALDS;
 				break;
+			// TODO: 2.3: Delete
 			case 7: //Trigger linedef executor (NiGHTS mare)
 				CONS_Alert(CONS_WARNING, M_GetText("Deprecated NiGHTS mare sector type detected. Please use linedef types 340-342 instead.\n"));
 				sectors[i].triggertag = tag;
@ -6132,9 +6135,11 @@ static void P_ConvertBinarySectorTypes(void)
 			case 8: //Check for linedef executor on FOFs
 				sectors[i].flags |= MSF_TRIGGERLINE_MOBJ;
 				break;
+			// TODO: 2.3: Delete
 			case 10: //Special stage time/spheres requirements
 				CONS_Alert(CONS_WARNING, M_GetText("Deprecated sector type for special stage requirements detected. Please use the SpecialStageTime and SpecialStageSpheres level header options instead.\n"));
 				break;
+			// TODO: 2.3: Delete
 			case 11: //Custom global gravity
 				CONS_Alert(CONS_WARNING, M_GetText("Deprecated sector type for global gravity detected. Please use the Gravity level header option instead.\n"));
 				break;
@ -6773,7 +6778,7 @@ static void P_ConvertBinaryThingTypes(void)
 		default:
 			break;
 		}
-		
+
 		// Clear binary thing height hacks, to prevent interfering with UDMF-only flags
 		mapthings[i].options &= 0xF;
 	}
--- a/src/p_spec.c
+++ b/src/p_spec.c
@ -2591,7 +2591,7 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 					titlemapcameraref = altview;
 				else if (!mo->player->awayviewtics || mo->player->awayviewmobj != altview) {
 					P_SetTarget(&mo->player->awayviewmobj, altview);
-					
+
 					if (mo->player == &players[displayplayer])
 						P_ResetCamera(mo->player, &camera); // reset p1 camera on p1 getting an awayviewmobj
 					else if (splitscreen && mo->player == &players[secondarydisplayplayer])
@ -4108,6 +4108,7 @@ sector_t *P_MobjTouchingSectorSpecial(mobj_t *mo, INT32 section, INT32 number)
 	return NULL;
 }

+// TODO: 2.3: Delete
 // Deprecated in favor of P_MobjTouchingSectorSpecial
 // Kept for Lua backwards compatibility only
 sector_t *P_ThingOnSpecial3DFloor(mobj_t *mo)
@ -6134,6 +6135,7 @@ void P_SpawnSpecials(boolean fromnetsave)
 			sector->flags |= MSF_TRIGGERSPECIAL_TOUCH;
 		}

+		// TODO: 2.3: Delete everything below
 		// Process deprecated binary sector specials
 		if (udmf || !sector->special)
 			continue;
--- a/src/p_user.c
+++ b/src/p_user.c
@ -106,8 +106,7 @@ void P_Thrust(mobj_t *mo, angle_t angle, fixed_t move)
 		mo->momy += FixedMul(move, FINESINE(angle));
 }

-#if 0
-static inline void P_ThrustEvenIn2D(mobj_t *mo, angle_t angle, fixed_t move)
+void P_ThrustEvenIn2D(mobj_t *mo, angle_t angle, fixed_t move)
 {
 	angle >>= ANGLETOFINESHIFT;

@ -115,7 +114,7 @@ static inline void P_ThrustEvenIn2D(mobj_t *mo, angle_t angle, fixed_t move)
 	mo->momy += FixedMul(move, FINESINE(angle));
 }

-static inline void P_VectorInstaThrust(fixed_t xa, fixed_t xb, fixed_t xc, fixed_t ya, fixed_t yb, fixed_t yc,
+void P_VectorInstaThrust(fixed_t xa, fixed_t xb, fixed_t xc, fixed_t ya, fixed_t yb, fixed_t yc,
 	fixed_t za, fixed_t zb, fixed_t zc, fixed_t momentum, mobj_t *mo)
 {
 	fixed_t a1, b1, c1, a2, b2, c2, i, j, k;
@ -145,7 +144,6 @@ static inline void P_VectorInstaThrust(fixed_t xa, fixed_t xb, fixed_t xc, fixed
 	mo->momy = j;
 	mo->momz = k;
 }
-#endif

 //
 // P_InstaThrust
@ -2775,6 +2773,7 @@ static void P_CheckBouncySectors(player_t *player)
 			if (!(rover->fofflags & FOF_EXISTS))
 				continue; // FOFs should not be bouncy if they don't even "exist"

+			// TODO: 2.3: Delete
 			// Handle deprecated bouncy FOF sector type
 			if (!udmf && GETSECSPECIAL(rover->master->frontsector->special, 1) == 15)
 			{
@ -4603,7 +4602,7 @@ void P_DoJump(player_t *player, boolean soundandstate)
 	}
 }

-static void P_DoSpinDashDust(player_t *player)
+void P_DoSpinDashDust(player_t *player)
 {
 	UINT32 i;
 	mobj_t *particle;
@ -11193,7 +11192,7 @@ static void P_MinecartThink(player_t *player)
 }

 // Handle Tails' fluff
-static void P_DoTailsOverlay(player_t *player, mobj_t *tails)
+void P_DoTailsOverlay(player_t *player, mobj_t *tails)
 {
 	// init...
 	boolean smilesonground = P_IsObjectOnGround(player->mo);
@ -11390,7 +11389,7 @@ static void P_DoTailsOverlay(player_t *player, mobj_t *tails)
 	tails->y = player->mo->y + P_ReturnThrustY(tails, tails->angle, FixedMul(backwards, tails->scale));
 	tails->z = player->mo->z + zoffs;
 	P_SetThingPosition(tails);
-	
+
 	if (player->mo->flags2 & MF2_SHADOW)
 		tails->flags2 |= MF2_SHADOW;
 	else
@ -11398,7 +11397,7 @@ static void P_DoTailsOverlay(player_t *player, mobj_t *tails)
 }

 // Metal Sonic's jet fume
-static void P_DoMetalJetFume(player_t *player, mobj_t *fume)
+void P_DoMetalJetFume(player_t *player, mobj_t *fume)
 {
 	static const UINT8 FUME_SKINCOLORS[] =
 	{
@ -11536,6 +11535,30 @@ static void P_DoMetalJetFume(player_t *player, mobj_t *fume)
 	}
 }

+// Handle Followmobj behavior
+void P_DoFollowMobj(player_t *player, mobj_t *followmobj)
+{
+	if (LUA_HookFollowMobj(player, followmobj) || P_MobjWasRemoved(followmobj))
+		{;}
+	else
+	{
+		switch (followmobj->type)
+		{
+			case MT_TAILSOVERLAY: // c:
+				P_DoTailsOverlay(player, followmobj);
+				break;
+			case MT_METALJETFUME:
+				P_DoMetalJetFume(player, followmobj);
+				break;
+			default:
+				var1 = 1;
+				var2 = 0;
+				A_CapeChase(followmobj);
+				break;
+		}
+	}
+}
+
 //
 // P_PlayerThink
 //
@ -11606,7 +11629,7 @@ void P_PlayerThink(player_t *player)
 		P_SetTarget(&player->awayviewmobj, NULL); // remove awayviewmobj asap if invalid
 		player->awayviewtics = 1; // reset to one, the below code will immediately set it to zero
 	}
-	
+
 	if (player->awayviewtics && player->awayviewtics != -1)
 	{
 		player->awayviewtics--;
@ -12278,11 +12301,11 @@ void P_PlayerThink(player_t *player)
 		if (!(player->stronganim))
 			player->stronganim = player->panim;
 		else if (player->panim != player->stronganim)
-			player->powers[pw_strong] = STR_NONE; 
-	}	
+			player->powers[pw_strong] = STR_NONE;
+	}
 	else if (player->stronganim)
 		player->stronganim = 0;
-			
+
 	//pw_super acts as a timer now
 	if (player->powers[pw_super]
 	&& (player->mo->state < &states[S_PLAY_SUPER_TRANS1]
@ -12389,7 +12412,7 @@ void P_PlayerThink(player_t *player)
 			if (player->jumpfactor < FixedMul(skins[player->skin].jumpfactor, 5*FRACUNIT/4)) // Boost jump height.
 				player->jumpfactor += FRACUNIT/300;

-			if ((player->charflags & SF_MACHINE) && (!(player->powers[pw_strong] == STR_METAL))) 
+			if ((player->charflags & SF_MACHINE) && (!(player->powers[pw_strong] == STR_METAL)))
 					player->powers[pw_strong] = STR_METAL;
 		}

@ -13012,27 +13035,7 @@ void P_PlayerAfterThink(player_t *player)
 		}

 		if (player->followmobj)
-		{
-			if (LUA_HookFollowMobj(player, player->followmobj) || P_MobjWasRemoved(player->followmobj))
-				{;}
-			else
-			{
-				switch (player->followmobj->type)
-				{
-					case MT_TAILSOVERLAY: // c:
-						P_DoTailsOverlay(player, player->followmobj);
-						break;
-					case MT_METALJETFUME:
-						P_DoMetalJetFume(player, player->followmobj);
-						break;
-					default:
-						var1 = 1;
-						var2 = 0;
-						A_CapeChase(player->followmobj);
-						break;
-				}
-			}
-		}
+			P_DoFollowMobj(player, player->followmobj);
 	}

 	P_DoPlayerHeadSigns(player); // Spawn Tag/CTF signs over player's head
--- a/src/r_main.c
+++ b/src/r_main.c
@ -249,7 +249,7 @@ static void FlipCam2_OnChange(void)
 //
 // killough 5/2/98: reformatted
 //
-INT32 R_PointOnSide(fixed_t x, fixed_t y, node_t *node)
+INT32 R_PointOnSide(fixed_t x, fixed_t y, node_t *restrict node)
 {
 	if (!node->dx)
 		return x <= node->x ? node->dy > 0 : node->dy < 0;
@ -261,9 +261,10 @@ INT32 R_PointOnSide(fixed_t x, fixed_t y, node_t *node)
 	fixed_t dy = (y >> 1) - (node->y >> 1);

 	// Try to quickly decide by looking at sign bits.
-	if ((node->dy ^ node->dx ^ dx ^ dy) < 0)
-		return (node->dy ^ dx) < 0;  // (left is negative)
-	return FixedMul(dy, node->dx>>FRACBITS) >= FixedMul(node->dy>>FRACBITS, dx);
+	// also use a mask to avoid branch prediction
+	INT32 mask = (node->dy ^ node->dx ^ dx ^ dy) >> 31;
+	return (mask & ((node->dy ^ dx) < 0)) |  // (left is negative)
+		(~mask & (FixedMul(dy, node->dx>>FRACBITS) >= FixedMul(node->dy>>FRACBITS, dx)));
 }

 // killough 5/2/98: reformatted
--- a/src/r_sky.c
+++ b/src/r_sky.c
@ -75,6 +75,6 @@ void R_SetupSkyDraw(void)
 */
 void R_SetSkyScale(void)
 {
-	fixed_t difference = vid.fdupx-(vid.dupx<<FRACBITS);
-	skyscale = FixedDiv(fovtan, vid.fdupx+difference);
+	fixed_t difference = vid.fdup-(vid.dup<<FRACBITS);
+	skyscale = FixedDiv(fovtan, vid.fdup+difference);
 }
--- a/src/screen.c
+++ b/src/screen.c
@ -494,7 +494,7 @@ void SCR_CalculateFPS(void)
 void SCR_DisplayTicRate(void)
 {
 	INT32 ticcntcolor = 0;
-	const INT32 h = vid.height-(8*vid.dupy);
+	const INT32 h = vid.height-(8*vid.dup);
 	UINT32 cap = R_GetFramerateCap();
 	double fps = round(averageFPS);

@ -530,7 +530,7 @@ void SCR_DisplayTicRate(void)

 		width = V_StringWidth(drawnstr, V_NOSCALESTART);

-		V_DrawString(vid.width - ((7 * 8 * vid.dupx) + V_StringWidth("FPS: ", V_NOSCALESTART)), h,
+		V_DrawString(vid.width - ((7 * 8 * vid.dup) + V_StringWidth("FPS: ", V_NOSCALESTART)), h,
 			V_YELLOWMAP|V_NOSCALESTART|V_USERHUDTRANS, "FPS:");
 		V_DrawString(vid.width - width, h,
 			ticcntcolor|V_NOSCALESTART|V_USERHUDTRANS, drawnstr);
@ -589,7 +589,7 @@ void SCR_ClosedCaptions(void)

 		if (closedcaptions[i].b)
 		{
-			y -= closedcaptions[i].b * vid.dupy;
+			y -= closedcaptions[i].b * vid.dup;
 			if (renderisnewtic)
 			{
 				closedcaptions[i].b--;
@ -639,9 +639,9 @@ void SCR_DisplayMarathonInfo(void)
 #define PRIMEV1 13
 #define PRIMEV2 17 // I can't believe it! I'm on TV!
 		antisplice[0] += (entertic - oldentertics)*PRIMEV2;
-		antisplice[0] %= PRIMEV1*((vid.width/vid.dupx)+1);
+		antisplice[0] %= PRIMEV1*((vid.width/vid.dup)+1);
 		antisplice[1] += (entertic - oldentertics)*PRIMEV1;
-		antisplice[1] %= PRIMEV1*((vid.width/vid.dupx)+1);
+		antisplice[1] %= PRIMEV1*((vid.width/vid.dup)+1);
 		str = va("%i:%02i:%02i.%02i",
 			G_TicsToHours(marathontime),
 			G_TicsToMinutes(marathontime, false),
--- a/src/screen.h
+++ b/src/screen.h
@ -59,19 +59,19 @@ typedef struct viddef_s
 	} u;
 	INT32 recalc; // if true, recalc vid-based stuff
 	UINT8 *direct; // linear frame buffer, or vga base mem.
-	INT32 dupx, dupy; // scale 1, 2, 3 value for menus & overlays
-	INT32/*fixed_t*/ fdupx, fdupy; // same as dupx, dupy, but exact value when aspect ratio isn't 320/200
+	INT32 dup; // scale 1, 2, 3 value for menus & overlays
+	INT32/*fixed_t*/ fdup; // same as dup, but exact value when aspect ratio isn't 320/200
 	INT32 bpp; // BYTES per pixel: 1 = 256color, 2 = highcolor

 	INT32 baseratio; // Used to get the correct value for lighting walls

 	// for Win32 version
 	DNWH WndParent; // handle of the application's window
-	UINT8 smalldupx, smalldupy; // factor for a little bit of scaling
-	UINT8 meddupx, meddupy; // factor for moderate, but not full, scaling
+	UINT8 smalldup; // factor for a little bit of scaling
+	UINT8 meddup; // factor for moderate, but not full, scaling
 #ifdef HWRENDER
-	INT32/*fixed_t*/ fsmalldupx, fsmalldupy;
-	INT32/*fixed_t*/ fmeddupx, fmeddupy;
+	INT32/*fixed_t*/ fsmalldup;
+	INT32/*fixed_t*/ fmeddup;
 	INT32 glstate;
 #endif
 } viddef_t;
--- a/src/sdl/i_system.c
+++ b/src/sdl/i_system.c
@ -2266,7 +2266,7 @@ void I_Sleep(UINT32 ms)
 }

 #ifdef NEWSIGNALHANDLER
-static void newsignalhandler_Warn(const char *pr)
+ATTRNORETURN static FUNCNORETURN void newsignalhandler_Warn(const char *pr)
 {
 	char text[128];

@ -3035,11 +3035,11 @@ size_t I_GetFreeMem(size_t *total)
 #ifdef FREEBSD
 	u_int v_free_count, v_page_size, v_page_count;
 	size_t size = sizeof(v_free_count);
-	sysctlbyname("vm.stat.vm.v_free_count", &v_free_count, &size, NULL, 0);
-	size_t size = sizeof(v_page_size);
-	sysctlbyname("vm.stat.vm.v_page_size", &v_page_size, &size, NULL, 0);
-	size_t size = sizeof(v_page_count);
-	sysctlbyname("vm.stat.vm.v_page_count", &v_page_count, &size, NULL, 0);
+	sysctlbyname("vm.stats.vm.v_free_count", &v_free_count, &size, NULL, 0);
+	size = sizeof(v_page_size);
+	sysctlbyname("vm.stats.vm.v_page_size", &v_page_size, &size, NULL, 0);
+	size = sizeof(v_page_count);
+	sysctlbyname("vm.stats.vm.v_page_count", &v_page_count, &size, NULL, 0);

 	if (total)
 		*total = v_page_count * v_page_size;
--- a/src/st_stuff.c
+++ b/src/st_stuff.c
@ -513,10 +513,10 @@ static void ST_drawDebugInfo(void)

 #define VFLAGS V_MONOSPACE|V_SNAPTOTOP|V_SNAPTORIGHT

-	if ((moviemode == MM_GIF && cv_gif_downscale.value) || vid.dupx == 1)
+	if ((moviemode == MM_GIF && cv_gif_downscale.value) || vid.dup == 1)
 	{
 		textfunc = V_DrawRightAlignedString;
-		lowh = ((vid.height/vid.dupy) - 16);
+		lowh = ((vid.height/vid.dup) - 16);
 	}
 	else
 	{
--- a/src/v_video.c
+++ b/src/v_video.c
--- a/src/v_video.h
+++ b/src/v_video.h
@ -36,7 +36,7 @@ cv_rsaturation, cv_ysaturation, cv_gsaturation, cv_csaturation, cv_bsaturation,
 // Allocates buffer screens, call before R_Init.
 void V_Init(void);

-// Recalculates the viddef (dupx, dupy, etc.) according to the current screen resolution.
+// Recalculates the viddef (dup, fdup, etc.) according to the current screen resolution.
 void V_Recalc(void);

 // Color look-up table
--- a/src/y_inter.c
+++ b/src/y_inter.c
@ -536,7 +536,7 @@ void Y_IntermissionDrawer(void)

 		if (animatetic && (tic_t)intertic >= animatetic)
 		{
-			const INT32 scradjust = (vid.width/vid.dupx)>>3; // 40 for BASEVIDWIDTH
+			const INT32 scradjust = (vid.width/vid.dup)>>3; // 40 for BASEVIDWIDTH
 			INT32 animatetimer = (intertic - animatetic);
 			if (animatetimer <= 16)
 			{
@ -687,7 +687,7 @@ void Y_IntermissionDrawer(void)

 				if (intertic > 1)
 				{
-					if (stagefailed && data.spec.emeraldy < (vid.height/vid.dupy)+16)
+					if (stagefailed && data.spec.emeraldy < (vid.height/vid.dup)+16)
 					{
 						emeraldx += intertic - 6;
 					}
@ -1163,7 +1163,7 @@ void Y_Ticker(void)
 			}
 			else
 			{
-				if (data.spec.emeraldy < (vid.height/vid.dupy)+16)
+				if (data.spec.emeraldy < (vid.height/vid.dup)+16)
 				{
 					data.spec.emeraldy += (++data.spec.emeraldmomy);
 				}