# ------------------------------------------------------ #
# Makefile for the "Quake II Map Tools"                  #
#                                                        #
# Just type "make" to compile the                        #
#  - bspinfo                                             #
#  - qbsp3                                               #
#  - qdata                                               #
#  - qrad3                                               #
#  - qvis3                                               #
#                                                        #
# Platforms:                                             #
#  - Linux                                               #
#  - FreeBSD                                             #
# ------------------------------------------------------ #

# Check the OS type
OSTYPE := $(shell uname -s)

# Some plattforms call it "amd64" and some "x86_64"
ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/amd64/x86_64/)

# Refuse all other plattforms as a firewall against PEBKAC
# (You'll need some #ifdef for your unsupported  plattform!)
ifneq ($(ARCH),i386)
ifneq ($(ARCH),x86_64)
$(error arch $(ARCH) is currently not supported)
endif
endif

# ----------

# The compiler
CC := gcc

# ---------- 

# Base CFLAGS. 
#
# -O2 are enough optimizations.
# 
# -fno-strict-aliasing since the source doesn't comply
#  with strict aliasing rules and it's next to impossible
#  to get it there...
#
# -fomit-frame-pointer since the framepointer is mostly
#  useless for debugging Quake II and slows things down.
#
# -g to build allways with debug symbols. Please do not
#  change this, since it's our only chance to debug this
#  crap when random crashes happen!
#
# -MMD to generate header dependencies.
CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
		  -Wall -pipe -g -MMD

# ----------

# Base include path.
ifeq ($(OSTYPE),Linux)
INCLUDE := -I./src/common
else ifeq ($(OSTYPE),FreeBSD)
INCLUDE := -I./src/common
endif

# ----------

# Base LDFLAGS.
ifeq ($(OSTYPE),Linux)
LDFLAGS := -L/usr/lib -lm
else ifeq ($(OSTYPE),FreeBSD)
LDFLAGS := -L/usr/local/lib -lm
endif 

# ----------

# When make is invoked by "make VERBOSE=1" print
# the compiler and linker commands.

ifdef VERBOSE
Q :=
else
Q := @
endif 

# ---------- 

# Builds everything
all: bspinfo qbsp3 qdata qrad3 qvis3
	
# ---------- 

# Cleanup
clean:
	@echo "===> CLEAN"
	${Q}rm -Rf build release
 
# ----------
 
# common stuff
build/common/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
 
# ----------
 
# bspinfo
bspinfo:
	@echo '===> Building bspinfo'
	${Q}mkdir -p release
	$(MAKE) release/bspinfo

build/bspinfo/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
 
# ----------

# qbsp3
qbsp3:
	@echo '===> Building qbsp3'
	${Q}mkdir -p release
	$(MAKE) release/qbsp3

build/qbsp3/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
  
# ----------
 
# qdata
qdata:
	@echo '===> Building qdata'
	${Q}mkdir -p release
	$(MAKE) release/qdata

build/qdata/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<

# ----------
                         
# qrad3
qrad3:
	@echo '===> Building qrad3'
	${Q}mkdir -p release
	$(MAKE) release/qrad3

build/qrad3/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
 
# ----------

# qvis3
qvis3:
	@echo '===> Building qvis3'
	${Q}mkdir -p release
	$(MAKE) release/qvis3

build/qvis3/%.o: %.c
	@echo '===> CC $<'
	${Q}mkdir -p $(@D)
	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
     
# ----------

# Common objects
COMMON_OBJS_ = \
		src/common/bspfile.o \
	   	src/common/cmdlib.o \
		src/common/l3dslib.o \
		src/common/lbmlib.o \
		src/common/mathlib.o \
		src/common/mdfour.o \
		src/common/polylib.o \
		src/common/scriplib.o \
		src/common/threads.o \
		src/common/trilib.o

# Used by bspinfo
BSPINFO_OBJS_ = \
		src/bspinfo/bspinfo.o

# Used by qbsp3
QBSP_OBJS_ = \
		src/qbsp3/brushbsp.o \
		src/qbsp3/csg.o \
		src/qbsp3/faces.o \
		src/qbsp3/glfile.o \
		src/qbsp3/leakfile.o \
		src/qbsp3/map.o \
		src/qbsp3/nodraw.o \
		src/qbsp3/portals.o \
		src/qbsp3/prtfile.o \
		src/qbsp3/qbsp3.o \
		src/qbsp3/textures.o \
		src/qbsp3/tree.o \
		src/qbsp3/writebsp.o
 
# Used by qdata
QDATA_OBJS_ = \
		src/qdata/images.o \
        src/qdata/models.o \
		src/qdata/qdata.o \
		src/qdata/sprites.o \
		src/qdata/tables.o \
		src/qdata/video.o
 
# Used by qrad3
QRAD_OBJS_ = \
		src/qrad3/lightmap.o \
		src/qrad3/patches.o \
		src/qrad3/qrad3.o \
		src/qrad3/trace.o

# Used by qvis3
QVIS_OBJS_ = \
		src/qvis3/flow.o \
		src/qvis3/qvis3.o

# ----------

# Rewrite pathes to our object directory
COMMON_OBJS = $(patsubst %,build/common/%,$(COMMON_OBJS_))
BSPINFO_OBJS = $(patsubst %,build/bspinfo/%,$(BSPINFO_OBJS_))
QBSP_OBJS = $(patsubst %,build/qbsp3/%,$(QBSP_OBJS_))
QDATA_OBJS = $(patsubst %,build/qdata/%,$(QDATA_OBJS_))
QRAD_OBJS = $(patsubst %,build/qrad3/%,$(QRAD_OBJS_))
QVIS_OBJS = $(patsubst %,build/qvis3/%,$(QVIS_OBJS_))

# ----------

# Generate header dependencies
COMMON_DEPS= $(COMMON_OBJS:.o=.d)
BSPINFO_DEPS= $(BSPINFO_OBJS:.o=.d)
QBSP_DEPS= $(QBSP_OBJS:.o=.d)
QDATA_DEPS= $(QDATA_OBJS:.o=.d)
QRAD_DEPS= $(QRAD_OBJS:.o=.d)
QVIS_DEPS= $(QVIS_OBJS:.o=.d)

# ----------

-include $(COMMON_DEPS) 
-include $(BSPINFO_DEPS) 
-include $(QBSP_DEPS) 
-include $(QDATA_DEPS) 
-include $(QRAD_DEPS) 
-include $(QVIS_DEPS) 

# ----------

# release/bspinfo
release/bspinfo : $(COMMON_OBJS) $(BSPINFO_OBJS) 
	@echo '===> LD $@'
	${Q}$(CC) $(COMMON_OBJS) $(BSPINFO_OBJS) $(LDFLAGS) -o $@
 
# release/qbsp3
release/qbsp3 : $(COMMON_OBJS) $(QBSP_OBJS) 
	@echo '===> LD $@'
	${Q}$(CC) $(COMMON_OBJS) $(QBSP_OBJS) $(LDFLAGS) -o $@
 
# release/qdata
release/qdata : $(COMMON_OBJS) $(QDATA_OBJS) 
	@echo '===> LD $@'
	${Q}$(CC) $(COMMON_OBJS) $(QDATA_OBJS) $(LDFLAGS) -o $@
  
# release/qrad3
release/qrad3 : $(COMMON_OBJS) $(QRAD_OBJS) 
	@echo '===> LD $@'
	${Q}$(CC) $(COMMON_OBJS) $(QRAD_OBJS) $(LDFLAGS) -o $@
   
# release/qvis3
release/qvis3 : $(COMMON_OBJS) $(QVIS_OBJS) 
	@echo '===> LD $@'
	${Q}$(CC) $(COMMON_OBJS) $(QVIS_OBJS) $(LDFLAGS) -o $@