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Added CreateTiles function very important

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This commit is contained in:
Justin Scofield
2022-07-20 22:13:13 -04:00
parent d2da16b47d
commit c98985fd3a
2 changed files with 38 additions and 2 deletions
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32
src/app/gfx/bitmap.cc
View File

@@ -24,6 +24,21 @@ Bitmap::Bitmap(int width, int height, int depth, uchar *data)
surface_->pixels = data;
}
Bitmap::Bitmap(int width, int height, int depth, int data_size)
: width_(width), height_(height), depth_(depth), data_size_(data_size) {
surface_ = SDL_CreateRGBSurfaceWithFormat(0, width, height, depth,
SDL_PIXELFORMAT_INDEX8);
// Default grayscale palette
for (int i = 0; i < 8; i++) {
surface_->format->palette->colors[i].r = i * 31;
surface_->format->palette->colors[i].g = i * 31;
surface_->format->palette->colors[i].b = i * 31;
}
pixel_data_ = (uchar *)SDL_malloc(data_size);
surface_->pixels = pixel_data_;
}
void Bitmap::Create(int width, int height, int depth, uchar *data) {
width_ = width;
height_ = height;
@@ -77,6 +92,23 @@ void Bitmap::CreateTexture(std::shared_ptr<SDL_Renderer> renderer) {
void Bitmap::ApplyPalette(const SNESPalette &palette) { palette_ = palette; }
std::vector<Bitmap> Bitmap::CreateTiles() {
std::vector<Bitmap> tiles;
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 4; ++j) {
tiles.emplace_back(8, 8, 8, 32);
auto surface = tiles[i + j].GetSurface();
SDL_Rect src_rect;
src_rect.x = i;
src_rect.y = j;
src_rect.w = 8;
src_rect.h = 8;
SDL_BlitSurface(surface_, &src_rect, surface, NULL);
}
}
return tiles;
}
} // namespace gfx
} // namespace app
} // namespace yaze

8
src/app/gfx/bitmap.h
View File

@@ -16,6 +16,7 @@ class Bitmap {
public:
Bitmap() = default;
Bitmap(int width, int height, int depth, uchar *data);
Bitmap(int width, int height, int depth, int data_size);
void Create(int width, int height, int depth, uchar *data);
void Create(int width, int height, int depth, int data_size);
@@ -25,10 +26,13 @@ class Bitmap {
void ApplyPalette(const SNESPalette &palette);
std::vector<Bitmap> CreateTiles();
int GetWidth() const { return width_; }
int GetHeight() const { return height_; }
uchar *GetData() const { return pixel_data_; }
SDL_Texture *GetTexture() const { return texture_; }
auto GetData() const { return pixel_data_; }
auto GetTexture() const { return texture_; }
auto GetSurface() const { return surface_; }
private:
int width_ = 0;