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Add Tilesheet class, update ScreenEditor for DungeonMaps

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scawful
2024-01-22 03:30:55 -05:00
parent 7d28d35e5d
commit 6f80f328a8
12 changed files with 751 additions and 84 deletions
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35
src/app/gfx/bitmap.h
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@@ -81,6 +81,41 @@ class Bitmap {
}
}
void Get16x16Tile(int tile_index, int x, int y,
std::vector<uint8_t> &tile_data, int &tile_data_offset) {
int tile_offset = tile_index * (width_ * height_);
int tile_x = x * 16;
int tile_y = y * 16;
for (int i = 0; i < 16; i++) {
int row_offset = tile_offset + ((i / 8) * (width_ * 8));
for (int j = 0; j < 16; j++) {
int pixel_offset =
row_offset + ((j / 8) * 8) + ((i % 8) * width_) + (j % 8);
int pixel_value = data_[pixel_offset];
tile_data[tile_data_offset] = pixel_value;
tile_data_offset++;
}
}
}
void Get16x16Tile(int tile_x, int tile_y, std::vector<uint8_t> &tile_data,
int &tile_data_offset) {
// Assuming 'width_' and 'height_' are the dimensions of the bitmap
// and 'data_' is the bitmap data.
for (int ty = 0; ty < 16; ty++) {
for (int tx = 0; tx < 16; tx++) {
// Calculate the pixel position in the bitmap
int pixel_x = tile_x + tx;
int pixel_y = tile_y + ty;
int pixel_offset = pixel_y * width_ + pixel_x;
int pixel_value = data_[pixel_offset];
// Store the pixel value in the tile data
tile_data[tile_data_offset++] = pixel_value;
}
}
}
void WriteColor(int position, const ImVec4 &color) {
// Convert ImVec4 (RGBA) to SDL_Color (RGBA)
SDL_Color sdl_color;