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Add spritesheet and change image format

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Pk11
2021-08-26 11:12:27 -05:00
parent ad6e5c4d2d
commit a1ac060ce3
8 changed files with 336 additions and 162 deletions
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include/image.hpp
+28 -36
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@@ -33,46 +33,52 @@
class Image {
private:
u16 _width;
u16 _height;
std::vector<u8> _bitmap;
std::vector<u16> _palette;
u16 _palOfs;
u32 _width = 0;
u32 _height = 0;
u8 _paletteStart = 0;
std::vector<u8> _bitmap = {};
std::vector<u16> _palette = {};
static void decompressGrf(void *dst, const void *src);
void load(const u8 *grf, u8 paletteStart);
public:
/**
* Image drawing class
* @brief Image drawing class
* @param paths The paths to try load the image from, from highest to lowest priority
* @param paletteStart Where to start the palette in VRAM
*/
Image(const std::vector<std::string> &paths);
Image(const std::vector<std::string> &paths, u8 paletteStart);
/**
* @brief Text printing class
* @brief Image drawing class
* @param path The path to load the image from
* @param paletteStart Where to start the palette in VRAM
*/
Image(const std::string &path) : Image(std::vector<std::string>({path})) {};
Image(const std::string &path, u8 paletteStart) : Image(std::vector<std::string>({path}), paletteStart) {};
/**
* @brief Image drawing class
* @param file The file to load the image from, seeked to the '.GFX' magic
* @param grf Pointer to a GRF in memory
* @param paletteStart Where to start the palette in VRAM
*/
Image(FILE *file);
Image(const u8 *grf, u8 paletteStart);
Image() {};
~Image(void) {};
u16 width(void) const { return _width; }
u16 height(void) const { return _height; }
u8 paletteStart(void) const { return _paletteStart; }
std::vector<u8> bitmap(void) const { return _bitmap; }
std::vector<u16> palette(void) const { return _palette; }
u16 palOfs(void) const { return _palOfs; }
void changePaletteStart(u8 paletteStart);
/**
* @brief Draws the image to a background layer, faster but without alpha, scaling, or palette offsetting
* @param x The X position to draw at
* @param y The Y position to draw at
* @param copyPal (Optional) Whether to copy the image's palette into palette VRAM
* @brief Copies the palette into VRAM
* @param paletteStart Where to start the palette in VRAM
*/
void draw(int x, int y, bool copyPal = true);
void copyPalette(int paletteStart);
/**
* @brief Draws the image to a background layer, slower but can skip alpha, scale, and offset the palette
@@ -80,22 +86,9 @@ public:
* @param y The Y position to draw at
* @param scaleX (Optional) The scale for the X axis
* @param scaleY (Optional) The scale for the Y axis
* @param paletteOffset (Optional) How much to offset the palette by
* @param copyPal (Optional) Whether to copy the image's palette into palette VRAM
* @param skipAlpha (Optional) Whether to skip transparent pixels, draws faster when disabled at 1.0 scale
*/
void drawSpecial(int x, int y, float scaleX = 1.0f, float scaleY = 1.0f, int paletteOffset = 0, bool copyPal = true);
/**
* @brief Draws a segment of an image to a background layer, faster but overwrites alpha and no scaling or palette offsetting
* @param x The X position to draw at
* @param y The Y position to draw at
* @param imageX The X position in the image to draw from
* @param imageY The Y position in the image to draw from
* @param w The width to draw
* @param h The height to draw
* @param copyPal (Optional) Whether to copy the image's palette into palette VRAM
*/
void drawSegment(int x, int y, int imageX, int imageY, int w, int h, bool copyPal = true);
void draw(int x, int y, float scaleX = 1.0f, float scaleY = 1.0f, bool skipAlpha = true);
/**
* @brief Draws a segment of an image to a background layer, slower but can skip alpha, scale, and offset the palette
@@ -107,10 +100,9 @@ public:
* @param h The height to draw
* @param scaleX (Optional) The scale for the X axis
* @param scaleY (Optional) The scale for the Y axis
* @param paletteOffset (Optional) How much to offset the palette by
* @param copyPal (Optional) Whether to copy the image's palette into palette VRAM
* @param skipAlpha (Optional) Whether to skip transparent pixels, draws faster when disabled at 1.0 scale
*/
void drawSegmentSpecial(int x, int y, int imageX, int imageY, int w, int h, float scaleX = 1.0f, float scaleY = 1.0f, int paletteOffset = 0, bool copyPal = true);
void drawSegment(int x, int y, int imageX, int imageY, int w, int h, float scaleX = 1.0f, float scaleY = 1.0f, bool skipAlpha = true);
};