diff options
Diffstat (limited to 'apps/plugins/pacbox/arcade.c')
| -rw-r--r-- | apps/plugins/pacbox/arcade.c | 63 |
1 files changed, 41 insertions, 22 deletions
diff --git a/apps/plugins/pacbox/arcade.c b/apps/plugins/pacbox/arcade.c index e7bf124700..dc3ea0c9ba 100644 --- a/apps/plugins/pacbox/arcade.c +++ b/apps/plugins/pacbox/arcade.c @@ -252,19 +252,19 @@ static unsigned decodePaletteByte( unsigned char value ) unsigned bit0, bit1, bit2; unsigned red, green, blue; - bit0 = (value >> 0) & 0x01; - bit1 = (value >> 1) & 0x01; - bit2 = (value >> 2) & 0x01; - red = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; + bit0 = (value >> 0) & 0x01; + bit1 = (value >> 1) & 0x01; + bit2 = (value >> 2) & 0x01; + red = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; bit0 = (value >> 3) & 0x01; - bit1 = (value >> 4) & 0x01; - bit2 = (value >> 5) & 0x01; - green = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; + bit1 = (value >> 4) & 0x01; + bit2 = (value >> 5) & 0x01; + green = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; bit0 = 0; - bit1 = (value >> 6) & 0x01; - bit2 = (value >> 7) & 0x01; + bit1 = (value >> 6) & 0x01; + bit2 = (value >> 7) & 0x01; blue = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; return (blue << 16 ) | (green << 8) | red; @@ -428,6 +428,7 @@ inline void drawSprite( unsigned char * buffer, int index ) { struct PacmanSprite ps = sprites_[index]; int x,y; + char * s, * s2; // Exit now if sprite not visible at all if( (ps.color == 0) || (ps.x >= ScreenWidth) || (ps.y < 16) || (ps.y >= (ScreenHeight-32)) ) { @@ -436,59 +437,77 @@ inline void drawSprite( unsigned char * buffer, int index ) // Clip the sprite coordinates to cut the parts that fall off the screen int start_x = (ps.x < 0) ? 0 : ps.x; - int end_x = (ps.x < (ScreenWidth-16)) ? ps.x+16 : ScreenWidth; + int end_x = (ps.x < (ScreenWidth-16)) ? ps.x+15 : ScreenWidth-1; // Prepare variables for drawing int color = (ps.color & 0x3F)*4; unsigned char * spritemap_base = spritemap_ + ((ps.n & 0x3F)*256); buffer += ScreenWidth*ps.y; + s2 = &spritemap_base[start_x-ps.x]; + + dirty_[(start_x >> 3) + (ps.y >> 3)*28] = 1; + dirty_[(start_x >> 3) + 1 + (ps.y >> 3)*28] = 1; + dirty_[(end_x >> 3) + (ps.y >> 3)*28] = 1; + dirty_[(start_x >> 3) + ((ps.y >> 3)+1)*28] = 1; + dirty_[(start_x >> 3) + 1 + ((ps.y >> 3)+1)*28] = 1; + dirty_[(end_x >> 3) + ((ps.y >> 3)+1)*28] = 1; + dirty_[(start_x >> 3) + ((ps.y+15) >> 3)*28] = 1; + dirty_[(start_x >> 3) + 1 + ((ps.y+15) >> 3)*28] = 1; + dirty_[(end_x >> 3) + ((ps.y+15) >> 3)*28] = 1; // Draw the 16x16 sprite if( ps.mode == 0 ) { // Normal // Draw the 16x16 sprite - for( y=0; y<16; y++ ) { - char* s = &spritemap_base[start_x-ps.x+y*16]; - for( x=start_x; x<end_x; x++ ) { + for( y=15; y>=0; y-- ) { + s = s2; + for( x=start_x; x<=end_x; x++ ) { int c = *(s++); if( c ) { buffer[x] = c + color; } } buffer += ScreenWidth; + s2 += 16; } } else if( ps.mode == 1 ) { // Flip Y - for( y=0; y<16; y++ ) { - char* s = &spritemap_base[start_x-ps.x+(15-y)*16]; - for( x=start_x; x<end_x; x++ ) { + s2 += 240; + for( y=15; y>=0; y-- ) { + s = s2; + for( x=start_x; x<=end_x; x++ ) { int c = *(s++); if( c ) { buffer[x] = c + color; } } buffer += ScreenWidth; + s2 -= 16; } } else if( ps.mode == 2 ) { // Flip X - for( y=0; y<16; y++ ) { - char* s = &spritemap_base[15-start_x+ps.x+y*16]; - for( x=start_x; x<end_x; x++ ) { + s2 += 15; + for( y=15; y>=-0; y-- ) { + s = s2; + for( x=start_x; x<=end_x; x++ ) { int c = *(s--); if( c ) { buffer[x] = c + color; } } buffer += ScreenWidth; + s2 += 16; } } else { // Flip X and Y - for( y=0; y<16; y++ ) { - char* s = &spritemap_base[15-start_x+ps.x+(15-y)*16]; - for( x=start_x; x<end_x; x++ ) { + s2 += 255; + for( y=15; y>=0; y-- ) { + s = s2; + for( x=start_x; x<=end_x; x++ ) { int c = *(s--); if( c ) { buffer[x] = c + color; } } buffer += ScreenWidth; + s2 -= 16; } } } |