Diffstat (limited to 'noncore/games/sfcave-sdl/terrain.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/games/sfcave-sdl/terrain.cpp | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/noncore/games/sfcave-sdl/terrain.cpp b/noncore/games/sfcave-sdl/terrain.cpp index c001a56..b243f45 100644 --- a/noncore/games/sfcave-sdl/terrain.cpp +++ b/noncore/games/sfcave-sdl/terrain.cpp @@ -26,93 +26,93 @@ Terrain :: Terrain( int w, int h, bool drawTop, bool drawBottom ) initTerrain(); } Terrain :: ~Terrain() { SDL_FreeSurface( terrainSurface ); delete stars; } void Terrain :: initTerrain() { dir = 1; offset = 0; maxHeight = 50; mapTop[0] = (int)(nextInt(50)) + 5; mapBottom[0] = sHeight - (maxHeight - mapTop[0]); for ( int i = 1 ; i < MAPSIZE ; ++i ) setPoint( i ); SDL_FillRect( terrainSurface, 0, 0 ); + // Draw Terrain into surface Sint16 px[5]; Sint16 py[5]; for ( int i = 0 ; i < MAPSIZE ; ++i ) { int left = (i*segSize); int right = ((i+1)*segSize); px[0] = left; py[0] = mapTop[i]; px[1] = right; py[1] = mapTop[i+1]; px[2] = right; py[2] = 0; px[3] = left; py[3] = 0; if ( drawTop ) { // Only display top landscape if not running FLY_GAME filledPolygonRGBA( terrainSurface, px, py, 4, 0, 190, 0, 255 ); } if ( drawBottom ) { py[0] = mapBottom[i]; py[1] = mapBottom[i+1]; py[2] = sHeight; py[3] = sHeight; filledPolygonRGBA( terrainSurface, px, py, 4, 0, 190, 0, 255 ); } } } void Terrain :: moveTerrain( int amountToMove ) { stars->move(); offset += amountToMove; speed = offset/segSize; -// printf( "offset - %d, speed - %d\n", offset, speed ); if ( offset >= segSize ) { for ( int i = 0 ; i < (MAPSIZE)-speed ; ++i ) { mapTop[i] = mapTop[i+speed]; mapBottom[i] = mapBottom[i+speed]; } for ( int i = (MAPSIZE)-speed ; i < MAPSIZE ; ++i ) { setPoint( i ); } SDL_Rect dst; dst.x = offset; dst.y = 0; dst.w = sWidth; dst.h = sHeight; SDL_Rect dst2; dst2.x = 0; dst2.y = 0; SDL_BlitSurface(terrainSurface, &dst, terrainSurface, &dst2 ); @@ -174,101 +174,85 @@ void Terrain :: setPoint( int point ) } else if ( mapTop[point] >= maxHeight ) { mapTop[point] = maxHeight; dir *= -1; } mapBottom[point] = sHeight - (maxHeight - mapTop[point]); } void Terrain :: increaseMaxHeight( int amount ) { maxHeight += amount; } void Terrain :: drawTerrain( SDL_Surface *screen ) { // Blit terrain surface onto screen SDL_Rect dst; dst.x = offset; dst.y = 0; dst.w = sWidth; dst.h = sHeight; -// dst.h = maxHeight; SDL_Rect dst2; dst2.x = 0; dst2.y = 0; SDL_BlitSurface(terrainSurface, &dst, screen, &dst2 ); stars->draw( screen ); - -// dst.y = sHeight - maxHeight; -// dst2.y = sHeight - maxHeight; -// SDL_BlitSurface(terrainSurface, &dst, screen, &dst2 ); - -/* - for ( int i = 0 ; i < MAPSIZE ; ++i ) - { - int x1 = (i*segSize) - (offset*speed); - int x2 = ((i+1)*segSize)-(offset*speed); - if ( x2 >= sWidth ) - x2 = sWidth-1; - aalineRGBA( screen, x1, mapTop[i], x2, mapTop[i+1], 0, 220, 0, 255 ); - aalineRGBA( screen, x1, mapBottom[i], x2, mapBottom[i+1], 0, 220, 0, 255 ); - } -*/ } bool Terrain :: checkCollision( int x, int y, int h ) { if ( y < 0 || y > sHeight ) return true; + // First get segment that matches x SDL_LockSurface( terrainSurface ); Uint32 c = getpixel( terrainSurface, x, y ); SDL_UnlockSurface( terrainSurface ); if ( c == 0 ) return false; else return true; } // Test #ifdef DEBUG_TERRAIN SDL_Surface *screen; Terrain *terrain; void go() { - /* Initialize SDL */ + // Initialize SDL if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); exit(1); } atexit(SDL_Quit); int videoflags = SDL_SWSURFACE ; if ( (screen=SDL_SetVideoMode(280, 320,32,videoflags)) == NULL ) { fprintf(stderr, "Couldn't set %ix%i video mode: %s\n",WIDTH,HEIGHT,SDL_GetError()); exit(2); } terrain = new Terrain( 240, 320 ); bool done = false; while ( !done ) { SDL_FillRect( screen, 0, 0 ); terrain->drawTerrain( screen ); terrain->moveTerrain( 5 ); |