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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;

0
src/app/gfx/tilesheet.cc Normal file
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237
src/app/gfx/tilesheet.h Normal file
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@@ -0,0 +1,237 @@
#ifndef YAZE_APP_GFX_TILESHEET_H
#define YAZE_APP_GFX_TILESHEET_H
#include <memory>
#include <vector>
#include "app/gfx/bitmap.h"
#include "app/gfx/snes_palette.h"
namespace yaze {
namespace app {
namespace gfx {
enum class TileType { Tile8, Tile16 };
class Tilesheet {
public:
Tilesheet() = default;
Tilesheet(std::shared_ptr<Bitmap> bitmap, int tileWidth, int tileHeight,
TileType tile_type)
: bitmap_(std::move(bitmap)),
tile_width_(tileWidth),
tile_height_(tileHeight),
tile_type_(tile_type) {}
void Init(int width, int height, TileType tile_type) {
bitmap_ = std::make_shared<Bitmap>(width, height, 8, 0x20000);
internal_data_.resize(0x20000);
tile_type_ = tile_type;
if (tile_type_ == TileType::Tile8) {
tile_width_ = 8;
tile_height_ = 8;
} else {
tile_width_ = 16;
tile_height_ = 16;
}
}
void ComposeTile16(const std::vector<uint8_t>& graphics_buffer,
const TileInfo& top_left, const TileInfo& top_right,
const TileInfo& bottom_left,
const TileInfo& bottom_right) {
// Calculate the base position for this Tile16 in the full-size bitmap
int tiles_per_row = bitmap_->width() / tile_width_;
int tile16_row = num_tiles_ / tiles_per_row;
int tile16_column = num_tiles_ % tiles_per_row;
int baseX = tile16_column * tile_width_;
int baseY = tile16_row * tile_height_;
// Compose and place each part of the Tile16
ComposeAndPlaceTilePart(graphics_buffer, top_left, baseX, baseY);
ComposeAndPlaceTilePart(graphics_buffer, top_right, baseX + 8, baseY);
ComposeAndPlaceTilePart(graphics_buffer, bottom_left, baseX, baseY + 8);
ComposeAndPlaceTilePart(graphics_buffer, bottom_right, baseX + 8,
baseY + 8);
tile_info_.push_back({top_left, top_right, bottom_left, bottom_right});
num_tiles_++;
}
void ComposeAndPlaceTilePart(const std::vector<uint8_t>& graphics_buffer,
const TileInfo& tile_info, int baseX,
int baseY) {
std::vector<uint8_t> tile_data =
FetchTileDataFromGraphicsBuffer(graphics_buffer, tile_info.id_);
if (tile_info.vertical_mirror_) {
MirrorTileDataVertically(tile_data);
}
if (tile_info.horizontal_mirror_) {
MirrorTileDataHorizontally(tile_data);
}
// Place the tile data into the full-size bitmap at the calculated position
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 8; ++x) {
int srcIndex = y * 8 + x;
int destX = baseX + x;
int destY = baseY + y;
int destIndex = (destY * bitmap_->width()) + destX;
internal_data_[destIndex] = tile_data[srcIndex];
}
}
bitmap_->set_data(internal_data_);
}
// Extracts a tile from the tilesheet
Bitmap GetTile(int tileX, int tileY, int bmp_width, int bmp_height) {
std::vector<uint8_t> tileData(tile_width_ * tile_height_);
int tileDataOffset = 0;
bitmap_->Get8x8Tile(CalculateTileIndex(tileX, tileY), tileX, tileY,
tileData, tileDataOffset);
return Bitmap(bmp_width, bmp_height, bitmap_->depth(), tileData);
}
Bitmap GetTile16(int tile_x, int tile_y) {
std::vector<uint8_t> tile_data(tile_width_ * tile_height_, 0x00);
int tileDataOffset = 0;
bitmap_->Get16x16Tile(tile_x, tile_y, tile_data, tileDataOffset);
return Bitmap(16, 16, bitmap_->depth(), tile_data);
}
Bitmap GetTile16(int tile_id) {
int tiles_per_row = bitmap_->width() / tile_width_;
int tile_x = (tile_id % tiles_per_row) * tile_width_;
int tile_y = (tile_id / tiles_per_row) * tile_height_;
return GetTile16(tile_x, tile_y);
}
// Copy a tile within the tilesheet
void CopyTile(int srcX, int srcY, int destX, int destY, bool mirrorX = false,
bool mirrorY = false) {
auto srcTile = GetTile(srcX, srcY, tile_width_, tile_height_);
auto destTileData = srcTile.vector();
MirrorTileData(destTileData, mirrorX, mirrorY);
WriteTile(destX, destY, destTileData);
}
// Other methods and properties
auto bitmap() const { return bitmap_; }
auto mutable_bitmap() { return bitmap_; }
auto num_tiles() const { return num_tiles_; }
auto tile_width() const { return tile_width_; }
auto tile_height() const { return tile_height_; }
auto set_palette(gfx::SNESPalette& palette) { palette_ = palette; }
auto palette() const { return palette_; }
auto tile_type() const { return tile_type_; }
auto tile_info() const { return tile_info_; }
auto mutable_tile_info() { return tile_info_; }
private:
int CalculateTileIndex(int x, int y) {
return y * (bitmap_->width() / tile_width_) + x;
}
std::vector<uint8_t> FetchTileDataFromGraphicsBuffer(
const std::vector<uint8_t>& graphics_buffer, int tile_id) {
const int tileWidth = 8;
const int tileHeight = 8;
const int bufferWidth = 128;
const int sheetHeight = 32;
const int tilesPerRow = bufferWidth / tileWidth;
const int rowsPerSheet = sheetHeight / tileHeight;
const int tilesPerSheet = tilesPerRow * rowsPerSheet;
// Calculate the position in the graphics_buffer_ based on tile_id
std::vector<uint8_t> tile_data(0x40, 0x00);
int sheet = (tile_id / tilesPerSheet) % 4 + 212;
int positionInSheet = tile_id % tilesPerSheet;
int rowInSheet = positionInSheet / tilesPerRow;
int columnInSheet = positionInSheet % tilesPerRow;
// Ensure that the sheet ID is between 212 and 215
assert(sheet >= 212 && sheet <= 215);
// Copy the tile data from the graphics_buffer_ to tile_data
for (int y = 0; y < 8; ++y) {
for (int x = 0; x < 8; ++x) {
// Calculate the position in the graphics_buffer_ based on tile_id
int srcX = columnInSheet * tileWidth + x;
int srcY = (sheet * sheetHeight) + (rowInSheet * tileHeight) + y;
int src_index = (srcY * bufferWidth) + srcX;
int dest_index = y * tileWidth + x;
tile_data[dest_index] = graphics_buffer[src_index];
}
}
return tile_data;
}
void MirrorTileDataVertically(std::vector<uint8_t>& tileData) {
std::vector<uint8_t> tile_data_copy = tileData;
for (int i = 0; i < 8; ++i) { // For each row
for (int j = 0; j < 8; ++j) { // For each column
int src_index = i * 8 + j;
int dest_index = (7 - i) * 8 + j; // Calculate the mirrored row
tile_data_copy[dest_index] = tileData[src_index];
}
}
tileData = tile_data_copy;
}
void MirrorTileDataHorizontally(std::vector<uint8_t>& tileData) {
std::vector<uint8_t> tile_data_copy = tileData;
for (int i = 0; i < 8; ++i) { // For each row
for (int j = 0; j < 8; ++j) { // For each column
int src_index = i * 8 + j;
int dest_index = i * 8 + (7 - j); // Calculate the mirrored column
tile_data_copy[dest_index] = tileData[src_index];
}
}
tileData = tile_data_copy;
}
void MirrorTileData(std::vector<uint8_t>& tileData, bool mirrorX,
bool mirrorY) {
// Implement logic to mirror tile data horizontally and/or vertically
std::vector tile_data_copy = tileData;
if (mirrorX) {
MirrorTileDataHorizontally(tile_data_copy);
}
if (mirrorY) {
MirrorTileDataVertically(tile_data_copy);
}
tileData = tile_data_copy;
}
void WriteTile(int x, int y, const std::vector<uint8_t>& tileData) {
int tileDataOffset = 0;
bitmap_->Get8x8Tile(CalculateTileIndex(x, y), x, y,
const_cast<std::vector<uint8_t>&>(tileData),
tileDataOffset);
}
gfx::SNESPalette palette_;
std::vector<uint8_t> internal_data_;
std::shared_ptr<Bitmap> bitmap_;
struct InternalTile16 {
std::array<TileInfo, 4> tiles;
};
std::vector<InternalTile16> tile_info_;
int num_tiles_ = 0;
int tile_width_ = 0;
int tile_height_ = 0;
TileType tile_type_;
};
} // namespace gfx
} // namespace app
} // namespace yaze
#endif // YAZE_APP_GFX_TILESHEET_H