diff options
Diffstat (limited to 'src/graphic.c')
| -rw-r--r-- | src/graphic.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/graphic.c b/src/graphic.c index dbdb55c..b1844a3 100644 --- a/src/graphic.c +++ b/src/graphic.c @@ -80,3 +80,110 @@ void my_SDL_init_or_die(char title[], SDL_Rect win_pos, Uint32 init_flags, Uint3 SDL_RenderGetViewport(*rend, viewport); } +//FIXME : to be implmented +#if 0 +int paintTerrain(gameIni_t *gIni, gameRess_t *gRess, gameGraphics_t *gGraph) { + int res, i, modifier; + int x,y,xmin,xmax,ymin,ymax,y2,xdst,ydst; + Uint32 dstPixel, dstStencil; + SDL_Surface *tile; + + gGraph->surfaces.terrain=createSurface(LEVEL_WIDTH, LEVEL_HEIGHT); + if (gGraph->surfaces.terrain==NULL) { + logs(LOG_ERROR, "paintTerrain(), SDL_CreateRGBSurface() returns NULL"); + return 1; + } + gGraph->surfaces.stencil=createSurface(LEVEL_WIDTH, LEVEL_HEIGHT); + if (gGraph->surfaces.stencil==NULL) { + logs(LOG_ERROR, "paintTerrain(), SDL_CreateRGBSurface() returns NULL"); + return 2; + } + + res=SDL_FillRect(gGraph->surfaces.terrain, &(gGraph->surfaces.terrain->clip_rect), gIni->style.bgColor); + if (res!=0) { + logs(LOG_WARN, "paintTerrain(), SDL_FillRect() failed"); + return 3; + } + + res=SDL_FillRect(gGraph->surfaces.stencil, &(gGraph->surfaces.stencil->clip_rect), ccc_nothing); + if (res!=0) { + logs(LOG_WARN, "paintTerrain(), SDL_FillRect() failed"); + return 4; + } + + SDL_LockSurface(gGraph->surfaces.terrain); + SDL_LockSurface(gGraph->surfaces.stencil); + for(i=0 ; i < gIni->level.terrainCount ; i++) { + //FIXME : check sanity for id value + tile=gRess->style.tiles[gIni->level.terrains[i].id]; + if (tile==NULL) { + logs(LOG_ERROR, "paintTerrain(), tile==NULL"); + return 5; + } + + + // Special modifier values : + // 15 : Hidden : Lemini hack. Seems to be the same as NO_OVERRIDE + + // Combinable modifier : + // 8 : NO_OVERRIDE : marquer les pixels comme indestructibles pour les prochains plaquages + // 4 : Upside Down + // 2 : REMOVE : oublier (rendre transparent) tous les pixels qu'on a déjà plaqué + + modifier=gIni->level.terrains[i].modifier; + // If we match the Lemini hack, change the value to NO_OVERRIDE + if (modifier == 15) { + modifier=8; + } + + // If both REMOVE and NO_OVERRIDE is enabled, prefer NO_OVERRIDE (turn off REMOVE flag) + if ( (modifier & 10) == 10) { + modifier &= ~2; + } + + // For each tile pixel, without going outside of the terrain + ymin=(gIni->level.terrains[i].ypos>=0)?0:-gIni->level.terrains[i].ypos; + ymax=min(tile->clip_rect.h, gGraph->surfaces.terrain->clip_rect.h - gIni->level.terrains[i].ypos); + xmin=(gIni->level.terrains[i].xpos>=0)?0:-gIni->level.terrains[i].xpos; + xmax=min(tile->clip_rect.w, gGraph->surfaces.terrain->clip_rect.w - gIni->level.terrains[i].xpos); + + SDL_LockSurface(tile); + for (y=ymin; y<ymax; y++) { + for (x=xmin; x<xmax; x++) { + // If we have Upside Down modifier, count lines in reverse order + if (( modifier & 4) == 4 ) { + y2=tile->clip_rect.h-1-y; + } else { + y2=y; + } + ydst=gIni->level.terrains[i].ypos+y; + xdst=gIni->level.terrains[i].xpos+x; + + // Act only if current pixel in tile is not transparent + if ( ! isTransparent(tile, x, y2) ) { + // Always paint pixel, except in one case: + // If we are in NO_OVERRIDE mode and there is already a terrain on the current (source) pixel + if ( !( (modifier & 8) == 8 && + getPixel(gGraph->surfaces.stencil, xdst, ydst) == ccc_terrain ) ) { + // If we have REMOVE modifier, dstPixel will be rolled back to bgColor, else, it will be identical to the source pixel. We have to update stencil consistenly. + if ( (modifier & 2) == 2 ) { + dstPixel=gIni->style.bgColor; + dstStencil=ccc_nothing; + } else { + dstPixel=getPixel8BitPalette(tile, x, y2); + dstStencil=ccc_terrain; + } + putPixel(gGraph->surfaces.terrain,xdst,ydst,dstPixel); + putPixel(gGraph->surfaces.stencil,xdst,ydst,dstStencil); + } + } + } + } + SDL_UnlockSurface(tile); + } + SDL_UnlockSurface(gGraph->surfaces.stencil); + SDL_UnlockSurface(gGraph->surfaces.terrain); + + return 0; +} +#endif |