mirror of
https://github.com/ZDoom/gzdoom.git
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e08da03a3d
I got rid of the old tx and ty CVARs because they made the texture scaling much more complicated than it was actually needed (and besides, they were completely useless except for testing purposes anyway.) SVN r522 (trunk)
807 lines
22 KiB
C++
807 lines
22 KiB
C++
/*
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** r_anim.cpp
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** Routines for handling texture animation.
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**
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**---------------------------------------------------------------------------
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** Copyright 1998-2006 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include "cmdlib.h"
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#include "i_system.h"
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#include "r_local.h"
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#include "r_sky.h"
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#include "m_random.h"
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#include "d_player.h"
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#include "p_spec.h"
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#include "sc_man.h"
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#include "templates.h"
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#include "w_wad.h"
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// MACROS ------------------------------------------------------------------
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// TYPES -------------------------------------------------------------------
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//
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// Animating textures and planes
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//
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// [RH] Expanded to work with a Hexen ANIMDEFS lump
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//
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struct FAnimDef
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{
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WORD BasePic;
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WORD NumFrames;
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WORD CurFrame;
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BYTE AnimType;
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DWORD SwitchTime; // Time to advance to next frame
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struct FAnimFrame
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{
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DWORD SpeedMin; // Speeds are in ms, not tics
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DWORD SpeedRange;
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WORD FramePic;
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} Frames[1];
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enum
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{
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ANIM_Forward,
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ANIM_Backward,
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ANIM_OscillateUp,
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ANIM_OscillateDown,
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ANIM_DiscreteFrames
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};
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void SetSwitchTime (DWORD mstime);
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};
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// This is an array of pointers to animation definitions.
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// When it is destroyed, it deletes any animations it points to as well.
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class AnimArray : public TArray<FAnimDef *>
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{
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public:
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~AnimArray();
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void AddAnim (FAnimDef *anim);
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void FixAnimations ();
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};
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// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
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static void R_InitAnimDefs ();
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static void R_AddComplexAnim (int picnum, const TArray<FAnimDef::FAnimFrame> &frames);
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static void ParseAnim (bool istex);
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static void ParseRangeAnim (int picnum, int usetype, bool missing);
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static void ParsePicAnim (int picnum, int usetype, bool missing, TArray<FAnimDef::FAnimFrame> &frames);
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static int ParseFramenum (int basepicnum, int usetype, bool allowMissing);
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static void ParseTime (DWORD &min, DWORD &max);
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// PUBLIC DATA DEFINITIONS -------------------------------------------------
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// PRIVATE DATA DEFINITIONS ------------------------------------------------
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static AnimArray Anims;
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static FRandom pr_animatepictures ("AnimatePics");
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// CODE --------------------------------------------------------------------
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//==========================================================================
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//
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// R_InitPicAnims
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//
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// [description copied from BOOM]
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// Load the table of animation definitions, checking for existence of
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// the start and end of each frame. If the start doesn't exist the sequence
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// is skipped, if the last doesn't exist, BOOM exits.
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//
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// Wall/Flat animation sequences, defined by name of first and last frame,
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// The full animation sequence is given using all lumps between the start
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// and end entry, in the order found in the WAD file.
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//
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// This routine modified to read its data from a predefined lump or
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// PWAD lump called ANIMATED rather than a static table in this module to
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// allow wad designers to insert or modify animation sequences.
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//
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// Lump format is an array of byte packed animdef_t structures, terminated
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// by a structure with istexture == -1. The lump can be generated from a
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// text source file using SWANTBLS.EXE, distributed with the BOOM utils.
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// The standard list of switches and animations is contained in the example
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// source text file DEFSWANI.DAT also in the BOOM util distribution.
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//
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// [RH] Rewritten to support BOOM ANIMATED lump but also make absolutely
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// no assumptions about how the compiler packs the animdefs array.
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//
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//==========================================================================
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void R_InitPicAnims (void)
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{
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const BITFIELD texflags = FTextureManager::TEXMAN_Overridable | FTextureManager::TEXMAN_TryAny;
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if (Wads.CheckNumForName ("ANIMATED") != -1)
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{
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FMemLump animatedlump = Wads.ReadLump ("ANIMATED");
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const char *animdefs = (const char *)animatedlump.GetMem();
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const char *anim_p;
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int pic1, pic2;
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int animtype;
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DWORD animspeed;
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// Init animation
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animtype = FAnimDef::ANIM_Forward;
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for (anim_p = animdefs; *anim_p != -1; anim_p += 23)
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{
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if (*anim_p /* .istexture */ & 1)
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{
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// different episode ?
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if ((pic1 = TexMan.CheckForTexture (anim_p + 10 /* .startname */, FTexture::TEX_Wall, texflags)) == -1 ||
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(pic2 = TexMan.CheckForTexture (anim_p + 1 /* .endname */, FTexture::TEX_Wall, texflags)) == -1)
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continue;
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// [RH] Bit 1 set means allow decals on walls with this texture
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TexMan[pic2]->bNoDecals = TexMan[pic1]->bNoDecals = !(*anim_p & 2);
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}
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else
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{
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if ((pic1 = TexMan.CheckForTexture (anim_p + 10 /* .startname */, FTexture::TEX_Flat, texflags)) == -1 ||
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(pic2 = TexMan.CheckForTexture (anim_p + 1 /* .startname */, FTexture::TEX_Flat, texflags)) == -1)
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continue;
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}
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if (pic1 == pic2)
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{
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// This animation only has one frame. Skip it. (Doom aborted instead.)
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Printf ("Animation %s in ANIMATED has only one frame", anim_p + 10);
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continue;
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}
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// [RH] Allow for backward animations as well as forward.
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if (pic1 > pic2)
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{
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swap (pic1, pic2);
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animtype = FAnimDef::ANIM_Backward;
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}
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// Speed is stored as tics, but we want ms so scale accordingly.
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animspeed = /* .speed */
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Scale ((BYTE(anim_p[19]) << 0) |
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(BYTE(anim_p[20]) << 8) |
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(BYTE(anim_p[21]) << 16) |
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(BYTE(anim_p[22]) << 24), 1000, 35);
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R_AddSimpleAnim (pic1, pic2 - pic1 + 1, animtype, animspeed);
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}
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}
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// [RH] Load any ANIMDEFS lumps
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R_InitAnimDefs ();
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Anims.FixAnimations ();
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}
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//==========================================================================
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//
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// R_AddSimpleAnim
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//
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// Creates an animation with simple characteristics. This is used for
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// original Doom (non-ANIMDEFS-style) animations and Build animations.
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//
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//==========================================================================
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void R_AddSimpleAnim (int picnum, int animcount, int animtype, DWORD speedmin, DWORD speedrange)
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{
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FAnimDef *anim = (FAnimDef *)M_Malloc (sizeof(FAnimDef));
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anim->CurFrame = 0;
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anim->BasePic = picnum;
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anim->NumFrames = animcount;
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anim->AnimType = animtype;
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anim->SwitchTime = 0;
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anim->Frames[0].SpeedMin = speedmin;
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anim->Frames[0].SpeedRange = speedrange;
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anim->Frames[0].FramePic = anim->BasePic;
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Anims.AddAnim (anim);
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}
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//==========================================================================
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//
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// R_AddComplexAnim
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//
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// Creates an animation with individually defined frames.
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//
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//==========================================================================
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static void R_AddComplexAnim (int picnum, const TArray<FAnimDef::FAnimFrame> &frames)
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{
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FAnimDef *anim = (FAnimDef *)M_Malloc (sizeof(FAnimDef) + (frames.Size()-1) * sizeof(frames[0]));
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anim->BasePic = picnum;
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anim->NumFrames = frames.Size();
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anim->CurFrame = 0;
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anim->AnimType = FAnimDef::ANIM_DiscreteFrames;
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anim->SwitchTime = 0;
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memcpy (&anim->Frames[0], &frames[0], frames.Size() * sizeof(frames[0]));
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Anims.AddAnim (anim);
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}
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//==========================================================================
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//
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// R_InitAnimDefs
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//
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// This uses a Hexen ANIMDEFS lump to define the animation sequences
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//
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//==========================================================================
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static void R_InitAnimDefs ()
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{
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const BITFIELD texflags = FTextureManager::TEXMAN_Overridable | FTextureManager::TEXMAN_TryAny;
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int lump, lastlump = 0;
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while ((lump = Wads.FindLump ("ANIMDEFS", &lastlump)) != -1)
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{
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SC_OpenLumpNum (lump, "ANIMDEFS");
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while (SC_GetString ())
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{
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if (SC_Compare ("flat"))
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{
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ParseAnim (false);
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}
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else if (SC_Compare ("texture"))
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{
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ParseAnim (true);
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}
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else if (SC_Compare ("switch"))
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{
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P_ProcessSwitchDef ();
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}
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// [GRB] Added warping type 2
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else if (SC_Compare ("warp") || SC_Compare ("warp2"))
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{
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bool isflat = false;
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bool type2 = SC_Compare ("warp2"); // [GRB]
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SC_MustGetString ();
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if (SC_Compare ("flat"))
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{
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isflat = true;
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SC_MustGetString ();
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}
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else if (SC_Compare ("texture"))
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{
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isflat = false;
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SC_MustGetString ();
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}
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else
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{
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SC_ScriptError (NULL);
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}
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int picnum = TexMan.CheckForTexture (sc_String, isflat ? FTexture::TEX_Flat : FTexture::TEX_Wall, texflags);
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if (picnum != -1)
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{
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FTexture * warper = TexMan[picnum];
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// don't warp a texture more than once
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if (!warper->bWarped)
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{
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if (type2) // [GRB]
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warper = new FWarp2Texture (warper);
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else
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warper = new FWarpTexture (warper);
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TexMan.ReplaceTexture (picnum, warper, false);
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}
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// No decals on warping textures, by default.
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// Warping information is taken from the last warp
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// definition for this texture.
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warper->bNoDecals = true;
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if (SC_GetString ())
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{
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if (SC_Compare ("allowdecals"))
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{
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warper->bNoDecals = false;
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}
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else
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{
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SC_UnGet ();
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}
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}
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}
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}
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else if (SC_Compare ("cameratexture"))
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{
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int width, height;
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int fitwidth, fitheight;
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FString picname;
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SC_MustGetString ();
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picname = sc_String;
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SC_MustGetNumber ();
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width = sc_Number;
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SC_MustGetNumber ();
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height = sc_Number;
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int picnum = TexMan.CheckForTexture (picname, FTexture::TEX_Flat, texflags);
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FTexture *viewer = new FCanvasTexture (picname, width, height);
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if (picnum != -1)
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{
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FTexture *oldtex = TexMan[picnum];
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fitwidth = oldtex->GetScaledWidth ();
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fitheight = oldtex->GetScaledHeight ();
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viewer->UseType = oldtex->UseType;
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TexMan.ReplaceTexture (picnum, viewer, true);
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}
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else
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{
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fitwidth = width;
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fitheight = height;
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// [GRB] No need for oldtex
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viewer->UseType = FTexture::TEX_Wall;
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TexMan.AddTexture (viewer);
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}
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if (SC_GetString())
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{
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if (SC_Compare ("fit"))
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{
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SC_MustGetNumber ();
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fitwidth = sc_Number;
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SC_MustGetNumber ();
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fitheight = sc_Number;
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}
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else
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{
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SC_UnGet ();
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}
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}
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viewer->SetScaledSize(fitwidth, fitheight);
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}
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else if (SC_Compare ("animatedDoor"))
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{
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P_ParseAnimatedDoor ();
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}
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else
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{
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SC_ScriptError (NULL);
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}
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}
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SC_Close ();
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}
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}
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//==========================================================================
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//
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// ParseAnim
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//
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// Parse a single animation definition out of an ANIMDEFS lump and
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// create the corresponding animation structure.
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//
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//==========================================================================
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static void ParseAnim (bool istex)
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{
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const BITFIELD texflags = FTextureManager::TEXMAN_Overridable | FTextureManager::TEXMAN_TryAny;
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TArray<FAnimDef::FAnimFrame> frames (32);
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int picnum;
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int usetype;
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int defined = 0;
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bool optional = false, missing = false;
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usetype = istex ? FTexture::TEX_Wall : FTexture::TEX_Flat;
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SC_MustGetString ();
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if (SC_Compare ("optional"))
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{
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optional = true;
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SC_MustGetString ();
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}
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picnum = TexMan.CheckForTexture (sc_String, usetype, texflags);
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if (picnum < 0)
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{
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if (optional)
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{
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missing = true;
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}
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else
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{
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Printf (PRINT_BOLD, "ANIMDEFS: Can't find %s\n", sc_String);
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}
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}
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// no decals on animating textures, by default
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if (picnum >= 0)
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{
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TexMan[picnum]->bNoDecals = true;
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}
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while (SC_GetString ())
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{
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if (SC_Compare ("allowdecals"))
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{
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if (picnum >= 0)
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{
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TexMan[picnum]->bNoDecals = false;
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}
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continue;
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}
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else if (SC_Compare ("range"))
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{
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if (defined == 2)
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{
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SC_ScriptError ("You cannot use \"pic\" and \"range\" together in a single animation.");
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}
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if (defined == 1)
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{
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SC_ScriptError ("You can only use one \"range\" per animation.");
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}
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defined = 1;
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ParseRangeAnim (picnum, usetype, missing);
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}
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else if (SC_Compare ("pic"))
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{
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if (defined == 1)
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{
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SC_ScriptError ("You cannot use \"pic\" and \"range\" together in a single animation.");
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}
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defined = 2;
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ParsePicAnim (picnum, usetype, missing, frames);
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}
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else
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{
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SC_UnGet ();
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break;
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}
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}
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// If base pic is not present, don't add this anim
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// ParseRangeAnim adds the anim itself, but ParsePicAnim does not.
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if (picnum >= 0 && defined == 2)
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{
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if (frames.Size() < 2)
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{
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SC_ScriptError ("Animation needs at least 2 frames");
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}
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R_AddComplexAnim (picnum, frames);
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}
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}
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//==========================================================================
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//
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// ParseRangeAnim
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//
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// Parse an animation defined using "range". Not that one range entry is
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// enough to define a complete animation, unlike "pic".
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//
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//==========================================================================
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static void ParseRangeAnim (int picnum, int usetype, bool missing)
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{
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int type, framenum;
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DWORD min, max;
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type = FAnimDef::ANIM_Forward;
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framenum = ParseFramenum (picnum, usetype, missing);
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ParseTime (min, max);
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if (framenum == picnum || picnum < 0)
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{
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return; // Animation is only one frame or does not exist
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}
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if (framenum < picnum)
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{
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type = FAnimDef::ANIM_Backward;
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TexMan[framenum]->bNoDecals = TexMan[picnum]->bNoDecals;
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swap (framenum, picnum);
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}
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if (SC_GetString())
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{
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if (SC_Compare ("Oscillate"))
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{
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type = type == FAnimDef::ANIM_Forward ? FAnimDef::ANIM_OscillateUp : FAnimDef::ANIM_OscillateDown;
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}
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else
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{
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SC_UnGet ();
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}
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}
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R_AddSimpleAnim (picnum, framenum - picnum + 1, type, min, max - min);
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}
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//==========================================================================
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//
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// ParsePicAnim
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//
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// Parse a single frame from ANIMDEFS defined using "pic".
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//
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//==========================================================================
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static void ParsePicAnim (int picnum, int usetype, bool missing, TArray<FAnimDef::FAnimFrame> &frames)
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{
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int framenum;
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DWORD min, max;
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framenum = ParseFramenum (picnum, usetype, missing);
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ParseTime (min, max);
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if (picnum >= 0)
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{
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FAnimDef::FAnimFrame frame;
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frame.SpeedMin = min;
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frame.SpeedRange = max - min;
|
|
frame.FramePic = framenum;
|
|
frames.Push (frame);
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ParseFramenum
|
|
//
|
|
// Reads a frame's texture from ANIMDEFS. It can either be an integral
|
|
// offset from basepicnum or a specific texture name.
|
|
//
|
|
//==========================================================================
|
|
|
|
static int ParseFramenum (int basepicnum, int usetype, bool allowMissing)
|
|
{
|
|
const BITFIELD texflags = FTextureManager::TEXMAN_Overridable | FTextureManager::TEXMAN_TryAny;
|
|
int framenum;
|
|
|
|
SC_MustGetString ();
|
|
if (IsNum (sc_String))
|
|
{
|
|
framenum = basepicnum + atoi(sc_String) - 1;
|
|
}
|
|
else
|
|
{
|
|
framenum = TexMan.CheckForTexture (sc_String, usetype, texflags);
|
|
if (framenum < 0 && !allowMissing)
|
|
{
|
|
SC_ScriptError ("Unknown texture %s", sc_String);
|
|
}
|
|
}
|
|
return framenum;
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// ParseTime
|
|
//
|
|
// Reads a tics or rand time definition from ANIMDEFS.
|
|
//
|
|
//==========================================================================
|
|
|
|
static void ParseTime (DWORD &min, DWORD &max)
|
|
{
|
|
SC_MustGetString ();
|
|
if (SC_Compare ("tics"))
|
|
{
|
|
SC_MustGetFloat ();
|
|
min = max = DWORD(sc_Float * 1000 / 35);
|
|
}
|
|
else if (SC_Compare ("rand"))
|
|
{
|
|
SC_MustGetFloat ();
|
|
min = DWORD(sc_Float * 1000 / 35);
|
|
SC_MustGetFloat ();
|
|
max = DWORD(sc_Float * 1000 / 35);
|
|
}
|
|
else
|
|
{
|
|
SC_ScriptError ("Must specify a duration for animation frame");
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// AnimArray :: ~AnimArray
|
|
//
|
|
// Frees all animations held in this array before freeing the array.
|
|
//
|
|
//==========================================================================
|
|
|
|
AnimArray::~AnimArray()
|
|
{
|
|
for (unsigned i = 0; i < Size(); i++)
|
|
{
|
|
if ((*this)[i] != NULL)
|
|
{
|
|
free ((*this)[i]);
|
|
(*this)[i] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// AnimArray :: AddAnim
|
|
//
|
|
// Adds a new animation to the array. If one with the same basepic as the
|
|
// new one already exists, it is replaced.
|
|
//
|
|
//==========================================================================
|
|
|
|
void AnimArray::AddAnim (FAnimDef *anim)
|
|
{
|
|
// Search for existing duplicate.
|
|
for (unsigned int i = 0; i < Anims.Size(); ++i)
|
|
{
|
|
if ((*this)[i]->BasePic == anim->BasePic)
|
|
{
|
|
// Found one!
|
|
free ((*this)[i]);
|
|
(*this)[i] = anim;
|
|
return;
|
|
}
|
|
}
|
|
// Didn't find one, so add it at the end.
|
|
Push (anim);
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// AnimArray :: FixAnimations
|
|
//
|
|
// Copy the "front sky" flag from an animated texture to the rest
|
|
// of the textures in the animation, and make every texture in an
|
|
// animation range use the same setting for bNoDecals.
|
|
//
|
|
//==========================================================================
|
|
|
|
void AnimArray::FixAnimations ()
|
|
{
|
|
unsigned int i;
|
|
int j;
|
|
|
|
for (i = 0; i < Size(); ++i)
|
|
{
|
|
FAnimDef *anim = operator[] (i);
|
|
if (anim->AnimType == FAnimDef::ANIM_DiscreteFrames)
|
|
{
|
|
if (TexMan[anim->BasePic]->bNoRemap0)
|
|
{
|
|
for (j = 0; j < anim->NumFrames; ++j)
|
|
{
|
|
TexMan[anim->Frames[j].FramePic]->SetFrontSkyLayer ();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bool nodecals;
|
|
bool noremap = false;
|
|
const char *name;
|
|
|
|
name = TexMan[anim->BasePic]->Name;
|
|
nodecals = TexMan[anim->BasePic]->bNoDecals;
|
|
for (j = 0; j < anim->NumFrames; ++j)
|
|
{
|
|
FTexture *tex = TexMan[anim->BasePic + j];
|
|
noremap |= tex->bNoRemap0;
|
|
tex->bNoDecals = nodecals;
|
|
}
|
|
if (noremap)
|
|
{
|
|
for (j = 0; j < anim->NumFrames; ++j)
|
|
{
|
|
TexMan[anim->BasePic + j]->SetFrontSkyLayer ();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// FAnimDef :: SetSwitchTime
|
|
//
|
|
// Determines when to switch to the next frame.
|
|
//
|
|
//==========================================================================
|
|
|
|
void FAnimDef::SetSwitchTime (DWORD mstime)
|
|
{
|
|
int speedframe = (AnimType == FAnimDef::ANIM_DiscreteFrames) ? CurFrame : 0;
|
|
|
|
SwitchTime = mstime + Frames[speedframe].SpeedMin;
|
|
if (Frames[speedframe].SpeedRange != 0)
|
|
{
|
|
SwitchTime += pr_animatepictures(Frames[speedframe].SpeedRange);
|
|
}
|
|
}
|
|
|
|
//==========================================================================
|
|
//
|
|
// R_UpdateAnimations
|
|
//
|
|
// Updates texture translations for each animation and scrolls the skies.
|
|
//
|
|
//==========================================================================
|
|
|
|
void R_UpdateAnimations (DWORD mstime)
|
|
{
|
|
for (unsigned int j = 0; j < Anims.Size(); ++j)
|
|
{
|
|
FAnimDef *anim = Anims[j];
|
|
|
|
// If this is the first time through R_UpdateAnimations, just
|
|
// initialize the anim's switch time without actually animating.
|
|
if (anim->SwitchTime == 0)
|
|
{
|
|
anim->SetSwitchTime (mstime);
|
|
}
|
|
else while (anim->SwitchTime <= mstime)
|
|
{ // Multiple frames may have passed since the last time calling
|
|
// R_UpdateAnimations, so be sure to loop through them all.
|
|
|
|
switch (anim->AnimType)
|
|
{
|
|
default:
|
|
case FAnimDef::ANIM_Forward:
|
|
case FAnimDef::ANIM_DiscreteFrames:
|
|
anim->CurFrame = (anim->CurFrame + 1) % anim->NumFrames;
|
|
break;
|
|
|
|
case FAnimDef::ANIM_Backward:
|
|
if (anim->CurFrame == 0)
|
|
{
|
|
anim->CurFrame = anim->NumFrames - 1;
|
|
}
|
|
else
|
|
{
|
|
anim->CurFrame -= 1;
|
|
}
|
|
break;
|
|
|
|
case FAnimDef::ANIM_OscillateUp:
|
|
anim->CurFrame = anim->CurFrame + 1;
|
|
if (anim->CurFrame >= anim->NumFrames - 1)
|
|
{
|
|
anim->AnimType = FAnimDef::ANIM_OscillateDown;
|
|
}
|
|
break;
|
|
|
|
case FAnimDef::ANIM_OscillateDown:
|
|
anim->CurFrame = anim->CurFrame - 1;
|
|
if (anim->CurFrame == 0)
|
|
{
|
|
anim->AnimType = FAnimDef::ANIM_OscillateUp;
|
|
}
|
|
break;
|
|
}
|
|
anim->SetSwitchTime (mstime);
|
|
}
|
|
|
|
if (anim->AnimType == FAnimDef::ANIM_DiscreteFrames)
|
|
{
|
|
TexMan.SetTranslation (anim->BasePic, anim->Frames[anim->CurFrame].FramePic);
|
|
}
|
|
else
|
|
{
|
|
for (unsigned int i = 0; i < anim->NumFrames; i++)
|
|
{
|
|
TexMan.SetTranslation (anim->BasePic + i, anim->BasePic + (i + anim->CurFrame) % anim->NumFrames);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Scroll the sky
|
|
double ms = (double)mstime * FRACUNIT;
|
|
sky1pos = fixed_t(fmod (ms * level.skyspeed1, double(TexMan[sky1texture]->GetWidth() << FRACBITS)));
|
|
sky2pos = fixed_t(fmod (ms * level.skyspeed2, double(TexMan[sky2texture]->GetWidth() << FRACBITS)));
|
|
}
|