Either<texture_fullid,texture_ttfid> renderer::screen_to_texid(int x, int y) {
const int tile = x * gps.dimy + y;
const unsigned char *s = screen + tile*4;
struct texture_fullid ret;
int ch;
int bold;
int fg;
int bg;
// TTF text does not get the full treatment.
if (s[3] == GRAPHICSTYPE_TTF) {
texture_ttfid texpos = *((unsigned int *)s) & 0xffffff;
return Either<texture_fullid,texture_ttfid>(texpos);
} else if (s[3] == GRAPHICSTYPE_TTFCONT) {
// TTFCONT means this is a tile that does not have TTF anchored on it, but is covered by TTF.
// Since this may actually be stale information, we'll draw it as a blank space,
ch = 32;
fg = bg = bold = 0;
} else {
// Otherwise, it's a normal (graphical?) tile.
ch = s[0];
bold = (s[3] != 0) * 8;
fg = (s[1] + bold) % 16;
bg = s[2] % 16;
}
static bool use_graphics = init.display.flag.has_flag(INIT_DISPLAY_FLAG_USE_GRAPHICS);
if (use_graphics) {
const long texpos = screentexpos[tile];
const char addcolor = screentexpos_addcolor[tile];
const unsigned char grayscale = screentexpos_grayscale[tile];
const unsigned char cf = screentexpos_cf[tile];
const unsigned char cbr = screentexpos_cbr[tile];
if (texpos) {
ret.texpos = texpos;
if (grayscale) {
ret.r = enabler.ccolor[cf][0];
ret.g = enabler.ccolor[cf][1];
ret.b = enabler.ccolor[cf][2];
ret.br = enabler.ccolor[cbr][0];
ret.bg = enabler.ccolor[cbr][1];
ret.bb = enabler.ccolor[cbr][2];
} else if (addcolor) {
goto use_ch;
} else {
ret.r = ret.g = ret.b = 1;
ret.br = ret.bg = ret.bb = 0;
}
goto skip_ch;
}
}
ret.texpos = enabler.is_fullscreen() ?
init.font.large_font_texpos[ch] :
init.font.small_font_texpos[ch];
use_ch:
ret.r = enabler.ccolor[fg][0];
ret.g = enabler.ccolor[fg][1];
ret.b = enabler.ccolor[fg][2];
ret.br = enabler.ccolor[bg][0];
ret.bg = enabler.ccolor[bg][1];
ret.bb = enabler.ccolor[bg][2];
skip_ch:
return Either<texture_fullid,texture_ttfid>(ret);
}
Either<texture_fullid,texture_ttfid> renderer::screen_to_texid(int x, int y) {
const int tile = x * gps.dimy + y;
const unsigned char *s = screen + tile*4;
// TTF text does not get the full treatment.
if (s[3] == GRAPHICSTYPE_TTF) {
texture_ttfid texpos = (s[0] << 16) | (s[1] << 8) | s[2];
return Either<texture_fullid,texture_ttfid>(texpos);
} else if (s[3] == GRAPHICSTYPE_TTFCONT)
return Either<texture_fullid,texture_ttfid>(0);
// Otherwise, it's a normal (graphical?) tile.
struct texture_fullid ret;
const int ch = s[0];
const int bold = (s[3] != 0) * 8;
const int fg = (s[1] + bold) % 16;
const int bg = s[2] % 16;
static bool use_graphics = init.display.flag.has_flag(INIT_DISPLAY_FLAG_USE_GRAPHICS);
if (use_graphics) {
const long texpos = screentexpos[tile];
const char addcolor = screentexpos_addcolor[tile];
const unsigned char grayscale = screentexpos_grayscale[tile];
const unsigned char cf = screentexpos_cf[tile];
const unsigned char cbr = screentexpos_cbr[tile];
if (texpos) {
ret.texpos = texpos;
if (grayscale) {
ret.r = enabler.ccolor[cf][0];
ret.g = enabler.ccolor[cf][1];
ret.b = enabler.ccolor[cf][2];
ret.br = enabler.ccolor[cbr][0];
ret.bg = enabler.ccolor[cbr][1];
ret.bb = enabler.ccolor[cbr][2];
} else if (addcolor) {
goto use_ch;
} else {
ret.r = ret.g = ret.b = 1;
ret.br = ret.bg = ret.bb = 0;
}
goto skip_ch;
}
}
ret.texpos = enabler.is_fullscreen() ?
init.font.large_font_texpos[ch] :
init.font.small_font_texpos[ch];
use_ch:
ret.r = enabler.ccolor[fg][0];
ret.g = enabler.ccolor[fg][1];
ret.b = enabler.ccolor[fg][2];
ret.br = enabler.ccolor[bg][0];
ret.bg = enabler.ccolor[bg][1];
ret.bb = enabler.ccolor[bg][2];
skip_ch:
return Either<texture_fullid,texture_ttfid>(ret);
}
