50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <cute_tiled.h>
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#include "tileset.h"
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BzTileset BZ_TILESET_INVALID = {.isValid = false};
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BzTileset bzTilesetCreate(const BzTilesetDesc *desc) {
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BzTileset tileset = {};
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cute_tiled_tileset_t *source = cute_tiled_load_external_tileset(desc->path, NULL);
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tileset.tiles = LoadTexture(desc->texturePath);
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tileset.startID = source->firstgid;
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tileset.tileWidth = source->tilewidth;
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tileset.tileHeight = source->tileheight;
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tileset.offsetX = source->tileoffset_x;
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tileset.offsetY = source->tileoffset_y;
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tileset.width = tileset.tiles.width / tileset.tileWidth;
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tileset.height = tileset.tiles.height / tileset.tileHeight;
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cute_tiled_free_external_tileset(source);
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if (tileset.tiles.width != source->imagewidth ||
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tileset.tiles.height != source->imageheight) {
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bzTilesetDestroy(&tileset);
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return BZ_TILESET_INVALID;
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}
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tileset.isValid = true;
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return tileset;
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}
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Rectangle bzTilesetGetTileRegion(BzTileset *tileset, int tileID) {
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tileID = tileID - tileset->startID;
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int posX = tileID % tileset->width;
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int posY = tileID / tileset->width;
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return (Rectangle) {posX * tileset->tileWidth, posY * tileset->tileHeight,
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tileset->tileWidth, tileset->tileHeight};
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}
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void bzTilesetDestroy(BzTileset *tileset) {
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UnloadTexture(tileset->tiles);
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*tileset = BZ_TILESET_INVALID;
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}
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