rct_drawpixelinfo TextureCache::GetImageAsDPI(uint32 image, uint32 tertiaryColour)
{
auto g1Element = gfx_get_g1_element(image & 0x7FFFF);
sint32 width = g1Element->width;
sint32 height = g1Element->height;
rct_drawpixelinfo dpi = CreateDPI(width, height);
gfx_draw_sprite_software(&dpi, image, -g1Element->x_offset, -g1Element->y_offset, tertiaryColour);
return dpi;
}
void TextureCache::GeneratePaletteTexture()
{
rct_drawpixelinfo dpi = CreateDPI(256, PALETTE_TO_G1_OFFSET_COUNT + 5);
// Init no-op palette
for (int i=0; i < 256; ++i)
{
dpi.bits[i] = i;
}
for (int i=0; i < PALETTE_TO_G1_OFFSET_COUNT; ++i)
{
GLint y = PaletteToY(i);
uint16 image = palette_to_g1_offset[i];
auto element = gfx_get_g1_element(image);
gfx_draw_sprite_software(&dpi, image, -element->x_offset, y - element->y_offset, 0);
}
glBindTexture(GL_TEXTURE_RECTANGLE, _paletteTexture);
glTexImage2D(GL_TEXTURE_RECTANGLE, 0, GL_R8UI, 256, PALETTE_TO_G1_OFFSET_COUNT + 5, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, dpi.bits);
DeleteDPI(dpi);
}
void scrolling_text_initialise_bitmaps()
{
uint8 drawingSurface[64];
rct_drawpixelinfo dpi = {
.bits = (uint8 *)&drawingSurface,
.x = 0,
.y = 0,
.width = 8,
.height = 8,
.pitch = 0,
.zoom_level = 0
};
for (sint32 i = 0; i < 224; i++) {
memset(drawingSurface, 0, sizeof(drawingSurface));
gfx_draw_sprite_software(&dpi, SPR_CHAR_START + FONT_SPRITE_BASE_TINY + i, -1, 0, 0);
for (sint32 x = 0; x < 8; x++) {
uint8 val = 0;
for (sint32 y = 0; y < 8; y++) {
val >>= 1;
if (dpi.bits[x + y * 8] == 1) {
val |= 0x80;
}
}
_characterBitmaps[i * 8 + x] = val;
}
}
for (sint32 i = 0; i < MAX_SCROLLING_TEXT_ENTRIES; i++) {
rct_g1_element *g1 = &g1Elements[SPR_SCROLLING_TEXT_START + i];
g1->offset = _drawScrollTextList[i].bitmap;
g1->width = 64;
g1->height = 40;
g1->offset[0] = 0xFF;
g1->offset[1] = 0xFF;
g1->offset[14] = 0;
g1->offset[15] = 0;
g1->offset[16] = 0;
g1->offset[17] = 0;
}
}
static uint8 *font_sprite_get_codepoint_bitmap(sint32 codepoint)
{
return &_characterBitmaps[font_sprite_get_codepoint_offset(codepoint) * 8];
}
static sint32 scrolling_text_get_matching_or_oldest(rct_string_id stringId, uint16 scroll, uint16 scrollingMode)
{
uint32 oldestId = 0xFFFFFFFF;
sint32 scrollIndex = -1;
for (sint32 i = 0; i < MAX_SCROLLING_TEXT_ENTRIES; i++) {
rct_draw_scroll_text *scrollText = &_drawScrollTextList[i];
if (oldestId >= scrollText->id) {
oldestId = scrollText->id;
scrollIndex = i;
}
// If exact match return the matching index
uint32 stringArgs0, stringArgs1;
memcpy(&stringArgs0, gCommonFormatArgs + 0, sizeof(uint32));
memcpy(&stringArgs1, gCommonFormatArgs + 4, sizeof(uint32));
if (
scrollText->string_id == stringId &&
scrollText->string_args_0 == stringArgs0 &&
scrollText->string_args_1 == stringArgs1 &&
scrollText->position == scroll &&
scrollText->mode == scrollingMode
) {
scrollText->id = _drawSCrollNextIndex;
return i + SPR_SCROLLING_TEXT_START;
}
}
return scrollIndex;
}
