int TileMap::getTile(int x, int y)
{
if (x < 0)
{
x = 0;
}
if (y < 0)
{
y = 0;
}
if (x >= getWidth())
{
x = getWidth() - 1;
}
if (y >= getHeight())
{
y = getHeight() - 1;
}
int pixel = _getpixel24(mTileMapBitmap, x, y);
return getr24(pixel) | (getg24(pixel) << 8);
}
void save_level(PACKFILE *file,LEVEL *data) {
int i;
pack_iputw(data->sizey,file);
pack_iputw(data->sizex,file);
pack_putc(data->bgtype,file);
if (data->bgtype == 1) for (i=0;i<600;i++) {pack_putc(getr24(data->lines[i]),file); pack_putc(getg24(data->lines[i]),file); pack_putc(getb24(data->lines[i]),file);}
pack_iputw(data->entitycnt,file);
pack_fwrite(data->map,data->length,file);
for(i=0;i<data->entitycnt;i++) {
save_entity(file,&data->entities[i]);
}
}
void TileMap::setTileFlags(int x, int y, int flags)
{
if (x < 0 || y < 0 || x >= getWidth() || y >= getHeight())
{
return;
}
int pixel = _getpixel24(mTileMapBitmap, x, y);
int newPixel = makecol24(getr24(pixel),
getg24(pixel),
flags);
_putpixel24(mTileMapBitmap, x, y, newPixel);
}
/* save_rgb:
* Core save routine for 15/16/24 bpp images (original by Martijn Versteegh).
*/
static int save_rgb(png_structp png_ptr, BITMAP *bmp)
{
AL_CONST int depth = bitmap_color_depth(bmp);
unsigned char *rowdata;
int y, x;
ASSERT(depth == 15 || depth == 16 || depth == 24);
rowdata = (unsigned char *)malloc(bmp->w * 3);
if (!rowdata)
return 0;
for (y=0; y<bmp->h; y++) {
unsigned char *p = rowdata;
if (depth == 15) {
for (x = 0; x < bmp->w; x++) {
int c = getpixel(bmp, x, y);
*p++ = getr15(c);
*p++ = getg15(c);
*p++ = getb15(c);
}
}
else if (depth == 16) {
for (x = 0; x < bmp->w; x++) {
int c = getpixel(bmp, x, y);
*p++ = getr16(c);
*p++ = getg16(c);
*p++ = getb16(c);
}
}
else { /* depth == 24 */
for (x = 0; x < bmp->w; x++) {
int c = getpixel(bmp, x, y);
*p++ = getr24(c);
*p++ = getg24(c);
*p++ = getb24(c);
}
}
png_write_row(png_ptr, rowdata);
}
free(rowdata);
return 1;
}
void render_sky(int *lines) {
if (lines == NULL) return;
for (int y = 0; y < SCREEN_H; y++) {
short *line = ((short*)buffer->line[y]);
int r = getr24(lines[y]);
int g = getg24(lines[y]);
int b = getb24(lines[y]);
for (int x = 0; x < 200; x++) {
//hline(buffer,0,i,SCREEN_W -1,makecol16(getr24(lines[y]),getg24(lines[y]),getb24(lines[y])));
int col = makecol16_dither(r,g,b,x,y);
line[x] = col;
line[x+200] = col;
line[x+400] = col;
line[x+600] = col;
}
}
}
/* getr_depth:
* Extracts the red component (ranging 0-255) from a pixel in the format
* being used by the specified color depth.
*/
int getr_depth(int color_depth, int c)
{
switch (color_depth) {
case 8:
return getr8(c);
case 15:
return getr15(c);
case 16:
return getr16(c);
case 24:
return getr24(c);
case 32:
return getr32(c);
}
return 0;
}
