gzdoom/src/decallib.h

130 lines
4 KiB
C++

/*
** decallib.h
**
**---------------------------------------------------------------------------
** Copyright 1998-2006 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
*/
#ifndef __DECALLIB_H__
#define __DECALLIB_H__
#include <string.h>
#include "doomtype.h"
#include "r_data/renderstyle.h"
class FScanner;
class FDecalTemplate;
struct FDecalAnimator;
class PClass;
class DBaseDecal;
struct side_t;
class FDecalBase
{
friend class FDecalLib;
public:
virtual const FDecalTemplate *GetDecal () const;
virtual void ReplaceDecalRef (FDecalBase *from, FDecalBase *to) = 0;
protected:
FDecalBase ();
virtual ~FDecalBase ();
FDecalBase *Left, *Right;
FName Name;
uint16_t SpawnID;
TArray<const PClass *> Users; // Which actors generate this decal
};
class FDecalTemplate : public FDecalBase
{
friend class FDecalLib;
public:
FDecalTemplate () : Translation (0) {}
void ApplyToDecal (DBaseDecal *actor, side_t *wall) const;
const FDecalTemplate *GetDecal () const;
void ReplaceDecalRef (FDecalBase *from, FDecalBase *to);
double ScaleX, ScaleY;
uint32_t ShadeColor;
uint32_t Translation;
FRenderStyle RenderStyle;
FTextureID PicNum;
uint16_t RenderFlags;
double Alpha; // same as actor->alpha
const FDecalAnimator *Animator;
const FDecalBase *LowerDecal;
enum { DECAL_RandomFlipX = 0x100, DECAL_RandomFlipY = 0x200 };
};
class FDecalLib
{
public:
FDecalLib ();
~FDecalLib ();
void Clear ();
void ReadDecals (FScanner &sc);
void ReadAllDecals ();
const FDecalTemplate *GetDecalByNum (uint16_t num) const;
const FDecalTemplate *GetDecalByName (const char *name) const;
private:
struct FTranslation;
static void DelTree (FDecalBase *root);
static FDecalBase *ScanTreeForNum (const uint16_t num, FDecalBase *root);
static FDecalBase *ScanTreeForName (const char *name, FDecalBase *root);
static void ReplaceDecalRef (FDecalBase *from, FDecalBase *to, FDecalBase *root);
FTranslation *GenerateTranslation (uint32_t start, uint32_t end);
void AddDecal (const char *name, uint16_t num, const FDecalTemplate &decal);
void AddDecal (FDecalBase *decal);
FDecalAnimator *FindAnimator (const char *name);
uint16_t GetDecalID (FScanner &sc);
void ParseDecal (FScanner &sc);
void ParseDecalGroup (FScanner &sc);
void ParseGenerator (FScanner &sc);
void ParseFader (FScanner &sc);
void ParseStretcher (FScanner &sc);
void ParseSlider (FScanner &sc);
void ParseCombiner (FScanner &sc);
void ParseColorchanger (FScanner &sc);
FDecalBase *Root;
FTranslation *Translations;
};
extern FDecalLib DecalLibrary;
#endif //__DECALLIB_H__