mirror of
https://github.com/ZDoom/gzdoom.git
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131 lines
4.1 KiB
C++
131 lines
4.1 KiB
C++
/*
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** decallib.h
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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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#ifndef __DECALLIB_H__
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#define __DECALLIB_H__
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#include <string.h>
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#include "doomtype.h"
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#include "r_blend.h"
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#include "textures/textures.h"
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class FScanner;
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class FDecalTemplate;
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struct FDecalAnimator;
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struct PClass;
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class DBaseDecal;
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struct side_t;
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class FDecalBase
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{
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friend class FDecalLib;
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public:
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virtual const FDecalTemplate *GetDecal () const;
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virtual void ReplaceDecalRef (FDecalBase *from, FDecalBase *to) = 0;
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protected:
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FDecalBase ();
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virtual ~FDecalBase ();
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FDecalBase *Left, *Right;
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FName Name;
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WORD SpawnID;
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TArray<const PClass *> Users; // Which actors generate this decal
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};
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class FDecalTemplate : public FDecalBase
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{
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friend class FDecalLib;
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public:
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FDecalTemplate () : Translation (0) {}
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void ApplyToDecal (DBaseDecal *actor, side_t *wall) const;
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const FDecalTemplate *GetDecal () const;
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void ReplaceDecalRef (FDecalBase *from, FDecalBase *to);
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fixed_t ScaleX, ScaleY;
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DWORD ShadeColor;
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DWORD Translation;
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FRenderStyle RenderStyle;
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FTextureID PicNum;
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WORD RenderFlags;
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WORD Alpha; // same as (actor->alpha >> 1)
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const FDecalAnimator *Animator;
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const FDecalBase *LowerDecal;
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enum { DECAL_RandomFlipX = 0x100, DECAL_RandomFlipY = 0x200 };
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};
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class FDecalLib
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{
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public:
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FDecalLib ();
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~FDecalLib ();
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void Clear ();
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void ReadDecals (FScanner &sc);
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void ReadAllDecals ();
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const FDecalTemplate *GetDecalByNum (WORD num) const;
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const FDecalTemplate *GetDecalByName (const char *name) const;
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private:
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struct FTranslation;
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static void DelTree (FDecalBase *root);
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static FDecalBase *ScanTreeForNum (const WORD num, FDecalBase *root);
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static FDecalBase *ScanTreeForName (const char *name, FDecalBase *root);
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static void ReplaceDecalRef (FDecalBase *from, FDecalBase *to, FDecalBase *root);
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FTranslation *GenerateTranslation (DWORD start, DWORD end);
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void AddDecal (const char *name, WORD num, const FDecalTemplate &decal);
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void AddDecal (FDecalBase *decal);
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FDecalAnimator *FindAnimator (const char *name);
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WORD GetDecalID (FScanner &sc);
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void ParseDecal (FScanner &sc);
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void ParseDecalGroup (FScanner &sc);
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void ParseGenerator (FScanner &sc);
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void ParseFader (FScanner &sc);
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void ParseStretcher (FScanner &sc);
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void ParseSlider (FScanner &sc);
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void ParseCombiner (FScanner &sc);
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void ParseColorchanger (FScanner &sc);
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FDecalBase *Root;
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FTranslation *Translations;
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};
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extern FDecalLib DecalLibrary;
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#endif //__DECALLIB_H__
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