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Port blit from Emerald

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This commit is contained in:
PikalaxALT
2019-04-27 12:39:26 -04:00
parent 9e4b16b614
commit 523c53506d
8 changed files with 233 additions and 830 deletions
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src/blit.c
+212
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@@ -0,0 +1,212 @@
#include "global.h"
#include "blit.h"
void BlitBitmapRect4BitWithoutColorKey(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height)
{
BlitBitmapRect4Bit(src, dst, srcX, srcY, dstX, dstY, width, height, 0xFF);
}
void BlitBitmapRect4Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey)
{
s32 xEnd;
s32 yEnd;
s32 multiplierSrcY;
s32 multiplierDstY;
s32 loopSrcY, loopDstY;
s32 loopSrcX, loopDstX;
const u8 *pixelsSrc;
u8 *pixelsDst;
s32 toOrr;
s32 toAnd;
s32 toShift;
if (dst->width - dstX < width)
xEnd = (dst->width - dstX) + srcX;
else
xEnd = srcX + width;
if (dst->height - dstY < height)
yEnd = (dst->height - dstY) + srcY;
else
yEnd = height + srcY;
multiplierSrcY = (src->width + (src->width & 7)) >> 3;
multiplierDstY = (dst->width + (dst->width & 7)) >> 3;
if (colorKey == 0xFF)
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1B);
pixelsDst = dst->pixels + ((loopDstX >> 1) & 3) + ((loopDstX >> 3) << 5) + (((loopDstY >> 3) * multiplierDstY) << 5) + ((u32)(loopDstY << 0x1d) >> 0x1B);
toOrr = ((*pixelsSrc >> ((loopSrcX & 1) << 2)) & 0xF);
toShift = ((loopDstX & 1) << 2);
toOrr <<= toShift;
toAnd = 0xF0 >> (toShift);
*pixelsDst = toOrr | (*pixelsDst & toAnd);
}
}
}
else
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1B);
pixelsDst = dst->pixels + ((loopDstX >> 1) & 3) + ((loopDstX >> 3) << 5) + (((loopDstY >> 3) * multiplierDstY) << 5) + ((u32)(loopDstY << 0x1d) >> 0x1B);
toOrr = ((*pixelsSrc >> ((loopSrcX & 1) << 2)) & 0xF);
if (toOrr != colorKey)
{
toShift = ((loopDstX & 1) << 2);
toOrr <<= toShift;
toAnd = 0xF0 >> (toShift);
*pixelsDst = toOrr | (*pixelsDst & toAnd);
}
}
}
}
}
void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue)
{
s32 xEnd;
s32 yEnd;
s32 multiplierY;
s32 loopX, loopY;
xEnd = x + width;
if (xEnd > surface->width)
xEnd = surface->width;
yEnd = y + height;
if (yEnd > surface->height)
yEnd = surface->height;
multiplierY = (surface->width + (surface->width & 7)) >> 3;
for (loopY = y; loopY < yEnd; loopY++)
{
for (loopX = x; loopX < xEnd; loopX++)
{
u8 *pixels = surface->pixels + ((loopX >> 1) & 3) + ((loopX >> 3) << 5) + (((loopY >> 3) * multiplierY) << 5) + ((u32)(loopY << 0x1d) >> 0x1B);
if ((loopX & 1) != 0)
{
*pixels &= 0xF;
*pixels |= fillValue << 4;
}
else
{
*pixels &= 0xF0;
*pixels |= fillValue;
}
}
}
}
void BlitBitmapRect4BitTo8Bit(const struct Bitmap *src, struct Bitmap *dst, u16 srcX, u16 srcY, u16 dstX, u16 dstY, u16 width, u16 height, u8 colorKey, u8 paletteOffset)
{
s32 palOffsetBits;
s32 xEnd;
s32 yEnd;
s32 multiplierSrcY;
s32 multiplierDstY;
s32 loopSrcY, loopDstY;
s32 loopSrcX, loopDstX;
const u8 *pixelsSrc;
u8 *pixelsDst;
s32 colorKeyBits;
palOffsetBits = (u32)(paletteOffset << 0x1C) >> 0x18;
colorKeyBits = (u32)(colorKey << 0x1C) >> 0x18;
if (dst->width - dstX < width)
xEnd = (dst->width - dstX) + srcX;
else
xEnd = width + srcX;
if (dst->height - dstY < height)
yEnd = (srcY + dst->height) - dstY;
else
yEnd = srcY + height;
multiplierSrcY = (src->width + (src->width & 7)) >> 3;
multiplierDstY = (dst->width + (dst->width & 7)) >> 3;
if (colorKey == 0xFF)
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
pixelsSrc = src->pixels + ((srcX >> 1) & 3) + ((srcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
if (loopSrcX & 1)
{
*pixelsDst = palOffsetBits + (*pixelsSrc >> 4);
}
else
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
*pixelsDst = palOffsetBits + (*pixelsSrc & 0xF);
}
}
}
}
else
{
for (loopSrcY = srcY, loopDstY = dstY; loopSrcY < yEnd; loopSrcY++, loopDstY++)
{
pixelsSrc = src->pixels + ((srcX >> 1) & 3) + ((srcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
for (loopSrcX = srcX, loopDstX = dstX; loopSrcX < xEnd; loopSrcX++, loopDstX++)
{
if (loopSrcX & 1)
{
if ((*pixelsSrc & 0xF0) != colorKeyBits)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
*pixelsDst = palOffsetBits + (*pixelsSrc >> 4);
}
}
else
{
pixelsSrc = src->pixels + ((loopSrcX >> 1) & 3) + ((loopSrcX >> 3) << 5) + (((loopSrcY >> 3) * multiplierSrcY) << 5) + ((u32)(loopSrcY << 0x1d) >> 0x1b);
if ((*pixelsSrc & 0xF) != colorKey)
{
pixelsDst = dst->pixels + (loopDstX & 7) + ((loopDstX >> 3) << 6) + (((loopDstY >> 3) * multiplierDstY) << 6) + ((u32)(loopDstY << 0x1d) >> 0x1a);
*pixelsDst = palOffsetBits + (*pixelsSrc & 0xF);
}
}
}
}
}
}
void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue)
{
s32 xEnd;
s32 yEnd;
s32 multiplierY;
s32 loopX, loopY;
xEnd = x + width;
if (xEnd > surface->width)
xEnd = surface->width;
yEnd = y + height;
if (yEnd > surface->height)
yEnd = surface->height;
multiplierY = (surface->width + (surface->width & 7)) >> 3;
for (loopY = y; loopY < yEnd; loopY++)
{
for (loopX = x; loopX < xEnd; loopX++)
{
u8 *pixels = surface->pixels + (loopX & 7) + ((loopX >> 3) << 6) + (((loopY >> 3) * multiplierY) << 6) + ((u32)(loopY << 0x1d) >> 0x1a);
*pixels = fillValue;
}
}
}
src/text.c
+1 -1
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@@ -5,13 +5,13 @@
#include "window.h"
#include "text.h"
#include "sprite.h"
#include "blit.h"
extern u8 gGlyphInfo[0x90];
extern u8 gUnknown_203ADFA;
extern u16 gTMCaseMainWindowPalette[];
extern const struct OamData gOamData_83AC9D0;
extern void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
extern void FillWindowPixelRect(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height);
extern void BlitBitmapRectToWindow(u8 windowId, const u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight);
extern u8 GetKeypadIconWidth(u8 keypadIconId);
src/window.c
+1 -5
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@@ -2,17 +2,13 @@
#include "window.h"
#include "malloc.h"
#include "bg.h"
#include "blit.h"
u8 gWindowClearTile;
void *gWindowBgTilemapBuffers[4];
EWRAM_DATA struct Window gWindows[WINDOWS_MAX] = {0};
extern void BlitBitmapRect4Bit(struct Bitmap *src, struct Bitmap *dest, u16 srcX, u16 srcY, u16 destX, u16 destY, u16 width, u16 height, u8 colorKey);
extern void BlitBitmapRect4BitTo8Bit(struct Bitmap *src, struct Bitmap *dest, u16 srcX, u16 srcY, u16 destX, u16 destY, u16 width, u16 height, u8 colorKey, u8 paletteNum);
extern void FillBitmapRect4Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
extern void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
static u8 GetNumActiveWindowsOnBg(u8 bgId);
static const struct WindowTemplate sDummyWindowTemplate = {0xFF, 0, 0, 0, 0, 0, 0};
src/window_8bpp.c
+1 -3
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@@ -2,13 +2,11 @@
#include "window.h"
#include "malloc.h"
#include "bg.h"
#include "blit.h"
EWRAM_DATA static struct Window* sWindowPtr = NULL;
EWRAM_DATA static u16 sWindowSize = 0;
extern void BlitBitmapRect4BitTo8Bit(struct Bitmap *src, struct Bitmap *dest, u16 srcX, u16 srcY, u16 destX, u16 destY, u16 width, u16 height, u8 colorKey, u8 paletteNum);
extern void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
static u8 GetNumActiveWindowsOnBg8Bit(u8 bgId);
static void nullsub_9(void)