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SpaceCadetPinball/SpaceCadetPinball/gdrv.h
Muzychenko Andrey 5461483bb5 Added debug overlay v1.
It features various collision info perspective projected and overlayed on the table.
2022-05-19 14:17:31 +03:00

88 lines
3.1 KiB
C++

#pragma once
enum class BitmapTypes : uint8_t
{
None = 0,
RawBitmap = 1,
DibBitmap = 2,
Spliced = 3,
};
struct ColorRgba
{
static constexpr ColorRgba Black() { return ColorRgba{ 0, 0, 0, 255 }; }
static constexpr ColorRgba White() { return ColorRgba{ 255, 255, 255, 255 }; }
static constexpr ColorRgba Red() { return ColorRgba{ 255, 0, 0, 255 }; }
static constexpr ColorRgba Green() { return ColorRgba{ 0, 255,0, 255 }; }
static constexpr ColorRgba Blue() { return ColorRgba{ 0, 0, 255, 255 }; }
uint32_t Color;
ColorRgba() = default;
explicit constexpr ColorRgba(uint32_t color)
: Color(color)
{
}
explicit constexpr ColorRgba(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha)
: Color(alpha << alphaOffset | red << redOffset | green << greenOffset | blue << blueOffset)
{
}
uint8_t GetAlpha() const { return (Color >> alphaOffset) & 0xffu; }
uint8_t GetRed() const { return (Color >> redOffset) & 0xffu; }
uint8_t GetGreen() const { return (Color >> greenOffset) & 0xffu; }
uint8_t GetBlue() const { return (Color >> blueOffset) & 0xffu; }
void SetAlpha(uint8_t val) { Color = (Color & (~(0xffu << alphaOffset))) | (val << alphaOffset); }
void SetRed(uint8_t val) { Color = (Color & (~(0xffu << redOffset))) | (val << redOffset); }
void SetGreen(uint8_t val) { Color = (Color & (~(0xffu << greenOffset))) | (val << greenOffset); }
void SetBlue(uint8_t val) { Color = (Color & (~(0xffu << blueOffset))) | (val << blueOffset); }
private:
static const unsigned alphaOffset = 3 * 8, redOffset = 2 * 8, greenOffset = 1 * 8, blueOffset = 0 * 8;
};
static_assert(sizeof(ColorRgba) == 4, "Wrong size of RGBA color");
struct gdrv_bitmap8
{
gdrv_bitmap8(int width, int height);
gdrv_bitmap8(int width, int height, bool indexed);
gdrv_bitmap8(int width, int height, bool indexed, bool bmpBuff);
gdrv_bitmap8(const struct dat8BitBmpHeader& header);
~gdrv_bitmap8();
void ScaleIndexed(float scaleX, float scaleY);
void CreateTexture(const char* scaleHint, int access);
void BlitToTexture();
ColorRgba* BmpBufPtr1;
char* IndexedBmpPtr;
int Width;
int Height;
int Stride;
int IndexedStride;
BitmapTypes BitmapType;
int XPosition;
int YPosition;
unsigned Resolution;
SDL_Texture* Texture;
};
class gdrv
{
public:
static int display_palette(ColorRgba* plt);
static void fill_bitmap(gdrv_bitmap8* bmp, int width, int height, int xOff, int yOff, uint8_t fillChar);
static void fill_bitmap(gdrv_bitmap8* bmp, int width, int height, int xOff, int yOff, ColorRgba fillColor);
static void copy_bitmap(gdrv_bitmap8* dstBmp, int width, int height, int xOff, int yOff, gdrv_bitmap8* srcBmp,
int srcXOff, int srcYOff);
static void copy_bitmap_w_transparency(gdrv_bitmap8* dstBmp, int width, int height, int xOff, int yOff,
gdrv_bitmap8* srcBmp, int srcXOff, int srcYOff);
static void ScrollBitmapHorizontal(gdrv_bitmap8* bmp, int xStart);
static void grtext_draw_ttext_in_box(LPCSTR text, int xOff, int yOff, int width, int height, int a6);
static void ApplyPalette(gdrv_bitmap8& bmp);
static void CreatePreview(gdrv_bitmap8& bmp);
private:
static ColorRgba current_palette[256];
};