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#include "sys.h"
s32 Lib_vsPrintf(char* dst, const char* fmt, va_list args) {
return vsprintf(dst, fmt, args);
}
void Lib_vTable(s32 index, void (**table)(s32, s32), s32 arg0, s32 arg1) {
void (*func)(s32, s32) = table[index];
func(arg0, arg1);
}
void Lib_SwapBuffers(u8* buf1, u8* buf2, s32 len) {
s32 i;
u8 temp;
for (i = 0; i < len; i++) {
temp = buf2[i];
buf2[i] = buf1[i];
buf1[i] = temp;
}
}
void Lib_QuickSort(u8* first, u32 length, u32 size, CompareFunc cFunc) {
u32 splitIdx;
u8* last;
u8* right;
u8* left;
while (1) {
last = first + (length - 1) * size;
if (length == 2) {
if (cFunc(first, last) > 0) {
Lib_SwapBuffers(first, last, size);
}
return;
}
if (size && size && size) {} //! FAKE: must be here with at least 3 && operands.
left = first;
right = last - size;
while (1) {
while (cFunc(left, last) < 0) {
left += size;
}
while ((cFunc(right, last) >= 0) && (left < right)) {
right -= size;
}
if (left >= right) {
break;
}
Lib_SwapBuffers(left, right, size);
left += size;
right -= size;
}
Lib_SwapBuffers(last, left, size);
splitIdx = (left - first) / size;
if (length / 2 < splitIdx) {
if ((length - splitIdx) > 2) {
Lib_QuickSort(left + size, length - splitIdx - 1, size, cFunc);
}
if (splitIdx < 2) {
return;
}
left = first;
length = splitIdx;
} else {
if (splitIdx >= 2) {
Lib_QuickSort(first, splitIdx, size, cFunc);
}
if ((length - splitIdx) <= 2) {
return;
}
first = left + size;
length -= splitIdx + 1;
}
}
}
void Lib_InitPerspective(Gfx** dList) {
u16 norm;
guPerspective(gGfxMtx, &norm, gFovY, (f32) SCREEN_WIDTH / SCREEN_HEIGHT, gProjectNear, gProjectFar, 1.0f);
gSPPerspNormalize((*dList)++, norm);
gSPMatrix((*dList)++, gGfxMtx++, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
guLookAt(gGfxMtx, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -12800.0f, 0.0f, 1.0f, 0.0f);
gSPMatrix((*dList)++, gGfxMtx++, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
Matrix_Copy(gGfxMatrix, &gIdentityMatrix);
}
void Lib_InitOrtho(Gfx** dList) {
guOrtho(gGfxMtx, -SCREEN_WIDTH / 2, SCREEN_WIDTH / 2, -SCREEN_HEIGHT / 2, SCREEN_HEIGHT / 2, gProjectNear,
gProjectFar, 1.0f);
gSPMatrix((*dList)++, gGfxMtx++, G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_PROJECTION);
guLookAt(gGfxMtx, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, -12800.0f, 0.0f, 1.0f, 0.0f);
gSPMatrix((*dList)++, gGfxMtx++, G_MTX_NOPUSH | G_MTX_MUL | G_MTX_PROJECTION);
Matrix_Copy(gGfxMatrix, &gIdentityMatrix);
}
void Lib_DmaRead(void* src, void* dst, ptrdiff_t size) {
osInvalICache(dst, size);
osInvalDCache(dst, size);
while (size > 0x100) {
osPiStartDma(&gDmaIOMsg, 0, 0, (uintptr_t) src, dst, 0x100, &gDmaMsgQueue);
size -= 0x100;
src = (void*) ((uintptr_t) src + 0x100);
dst = (void*) ((uintptr_t) dst + 0x100);
osRecvMesg(&gDmaMsgQueue, NULL, OS_MESG_BLOCK);
}
if (size != 0) {
osPiStartDma(&gDmaIOMsg, 0, 0, (uintptr_t) src, dst, size, &gDmaMsgQueue);
osRecvMesg(&gDmaMsgQueue, NULL, OS_MESG_BLOCK);
}
}
void Lib_FillScreen(u8 setFill) {
s32 i;
gFillScreenColor |= 1;
if (setFill == true) {
if (gFillScreen == false) {
if (gFillScreenColor == 1) {
osViBlack(true);
} else {
for (i = 0; i < 3 * SCREEN_WIDTH; i++) {
gFillBuffer[i] = gFillScreenColor;
}
osWritebackDCacheAll();
osViSwapBuffer(&gFillBuffer[SCREEN_WIDTH]);
osViRepeatLine(true);
}
gFillScreen = true;
}
} else if (gFillScreen == true) {
osViRepeatLine(false);
osViBlack(false);
gFillScreen = false;
}
}
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