kawa/banjo-kazooie
1
0
Fork 0
Code Issues Actions Packages Projects Releases Wiki Activity

core1/code_9D30.c progress

Browse Source
This commit is contained in:
Banjo Kazooie
2022-10-16 17:30:24 -05:00
parent 7e2298a89c
commit e52ce38d7f
8 changed files with 243 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
src/core1/code_7F60.c
View File

@@ -86,8 +86,49 @@ void func_80245F34(f32 *arg0, f32 *arg1, f32 *arg2) {
*arg2 *= inv_len;
}
#ifndef NONMATCHING
void func_80245FB8(f32 mf[4][4], u16 *perspNorm, f32 fovy, f32 aspect, f32 near, f32 far, f32 scale);
#pragma GLOBAL_ASM("asm/nonmatchings/core1/code_7F60/func_80245FB8.s")
#else
void func_80245FB8(float mf[4][4], u16 *perspNorm, float fovy, float aspect, float near, float far, float scale)
{
float cot;
f32 tmp;
int i, j;
near = (near < 1) ? 1 : near;
far = (far < near + 100) ? near + 100 : far;
tmp = ((2 * near * far) / (near - far));
if( ( tmp*scale > 32767) || (tmp*scale < -32767)) {
tmp = ((tmp*scale > 32767) ? 32767.0f : -32767.0f);
near = (-(tmp/scale) * far) / ((2 * far) - (tmp/scale));
}
guMtxIdentF(mf);
fovy *= 3.1415926 / 180.0;
cot = cosf (fovy/2) / sinf (fovy/2);
mf[0][0] = cot / aspect;
mf[1][1] = cot;
mf[2][2] = (near + far) / (near - far);
mf[2][3] = -1;
mf[3][2] = ((2 * near * far) / (near - far));
mf[3][3] = 0;
for (i=0; i<4; i++)
for (j=0; j<4; j++)
mf[i][j] *= scale;
if (perspNorm != (u16 *) NULL) {
if ((near + far)<=2.0) {
*perspNorm = (u16) 0xFFFF;
} else {
*perspNorm = (u16) ((2.0*65536.0)/(near + far));
if (*perspNorm<=0)
*perspNorm = (u16) 0x0001;
}
}
}
#endif
void guPerspective(Mtx *m, u16 *perspNorm, f32 fovy, f32 aspect, f32 near, f32 far, f32 scale) {
f32 sp28[4][4];