shithub: duke3d

ref: 08e6666c5a1665c22175da3609b209c1bff1671e
dir: /Engine/src/draw.h/

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/*
 * "Build Engine & Tools" Copyright (c) 1993-1997 Ken Silverman
 * Ken Silverman's official web site: "http://www.advsys.net/ken"
 * See the included license file "BUILDLIC.TXT" for license info.
 * This file IS NOT A PART OF Ken Silverman's original release
 */

#ifndef _INCLUDE_A_H_
#define _INCLUDE_A_H_

#include <inttypes.h>

//C++ linker friendly
#ifdef __cplusplus
    extern "C" {
#endif
    
        
extern uint8_t  *transluc;
        
        
extern uint8_t  *globalpalwritten;
extern int16_t  globalshiftval;
extern int32_t vplce[4], vince[4];
extern intptr_t bufplce[4];
extern uint8_t* palookupoffse[4];
        
void sethlinesizes(int32_t,int32_t,const uint8_t *);

void hlineasm4(int32_t,int32_t,uint32_t,uint32_t,uint8_t*);
void setuprhlineasm4(int32_t,int32_t,int32_t,const uint8_t*,int32_t,int32_t);
void rhlineasm4(int32_t,const uint8_t*,int32_t,uint32_t,uint32_t,uint8_t*);
void setuprmhlineasm4(int32_t,int32_t,int32_t, const uint8_t*,int32_t,int32_t);
void rmhlineasm4(int32_t, const uint8_t*,int32_t,int32_t,int32_t, uint8_t*);


void setBytesPerLine(int32_t);

int32_t prevlineasm1(int32_t,const uint8_t* palette ,int32_t,int32_t,const uint8_t  *,uint8_t  *);
int32_t vlineasm1(int32_t,const uint8_t*,int32_t,int32_t, const uint8_t  *,uint8_t*);

int32_t tvlineasm1(int32_t,const uint8_t  *,int32_t,int32_t,const uint8_t  *,uint8_t  * dest);
void setuptvlineasm2(int32_t, const uint8_t*, const uint8_t*);
void tvlineasm2(uint32_t,uint32_t,uintptr_t,uintptr_t,uint32_t,uintptr_t);
int32_t mvlineasm1(int32_t,const uint8_t*,int32_t,int32_t,const uint8_t* texture,uint8_t* dest);
void setupvlineasm(int32_t);
void vlineasm4(int32_t,uint8_t*);
void setupmvlineasm(int32_t);
void mvlineasm4(int32_t,uint8_t*);
void tsetupspritevline(const uint8_t *,int32_t,int32_t,int32_t,int32_t);
void DrawSpriteVerticalLine(int32_t,int32_t,uint32_t,const uint8_t* ,uint8_t*);
void mhline(uint8_t  *,int32_t,int32_t,int32_t,int32_t,uint8_t*);
void mhlineskipmodify(uint32_t,int32_t,int32_t,uint8_t*);
void msethlineshift(int32_t,int32_t);
void thline(uint8_t*,int32_t,int32_t,int32_t,int32_t,uint8_t *);
void thlineskipmodify(int32_t,uint32_t,uint32_t,int32_t,int32_t,uint8_t *);
void tsethlineshift(int32_t,int32_t);
void setupslopevlin(int32_t,intptr_t,int32_t);
void slopevlin(intptr_t,uint32_t,intptr_t*,uint32_t,int32_t,int32_t,int32_t);
    
    
#define TRANS_NORMAL  0
#define TRANS_REVERSE 1
void settrans(int32_t type);





//FCS: In order to see how the engine renders different part of the screen you can set the following macros
//VISUALIZE RENDERER

#define RENDER_LIMIT_PIXELS 0 // tanguyf: pixelsAllowed causes too many subtle rendering bugs to be left on by default
#if RENDER_LIMIT_PIXELS
extern int64_t pixelsAllowed;
#endif

#define RENDER_DRAW_WALL_BORDERS 1
#define RENDER_DRAW_WALL_INSIDE 1
#define RENDER_DRAW_CEILING_AND_FLOOR 1
#define RENDER_DRAW_TOP_AND_BOTTOM_COLUMN 1
#define RENDER_SLOPPED_CEILING_AND_FLOOR 1

#if RENDER_DRAW_WALL_BORDERS && RENDER_DRAW_WALL_INSIDE && RENDER_DRAW_CEILING_AND_FLOOR  && RENDER_DRAW_TOP_AND_BOTTOM_COLUMN && RENDER_SLOPPED_CEILING_AND_FLOOR
   #define CLEAR_FRAMEBUFFER 0
#else
   #define CLEAR_FRAMEBUFFER 1
#endif
//END VISUALIZE RENDERER

    
//C++ 
#ifdef __cplusplus
    }
#endif

#endif