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#include <dolphin/mtx/mtx.h>
#include <dolphin/mtx/mtx44.h>
#include <dolphin/os/OS.h>
#include <math.h>
void C_MTXFrustum(Mtx44 m, f32 t, f32 b, f32 l, f32 r, f32 n, f32 f) {
f32 tmp;
ASSERTMSGLINE(105, m, "MTXFrustum(): NULL Mtx44Ptr 'm' ");
ASSERTMSGLINE(106, t != b, "MTXFrustum(): 't' and 'b' clipping planes are equal ");
ASSERTMSGLINE(107, l != r, "MTXFrustum(): 'l' and 'r' clipping planes are equal ");
ASSERTMSGLINE(108, n != f, "MTXFrustum(): 'n' and 'f' clipping planes are equal ");
tmp = 1 / (r - l);
m[0][0] = (2 * n * tmp);
m[0][1] = 0;
m[0][2] = (tmp * (r + l));
m[0][3] = 0;
tmp = 1 / (t - b);
m[1][0] = 0;
m[1][1] = (2 * n * tmp);
m[1][2] = (tmp * (t + b));
m[1][3] = 0;
m[2][0] = 0;
m[2][1] = 0;
tmp = 1 / (f - n);
m[2][2] = (-n * tmp);
m[2][3] = (tmp * -(f * n));
m[3][0] = 0;
m[3][1] = 0;
m[3][2] = -1;
m[3][3] = 0;
}
void C_MTXPerspective(Mtx44 m, f32 fovY, f32 aspect, f32 n, f32 f) {
f32 angle;
f32 cot;
f32 tmp;
ASSERTMSGLINE(179, m, "MTXPerspective(): NULL Mtx44Ptr 'm' ");
ASSERTMSGLINE(180, (fovY > 0.0) && (fovY < 180.0), "MTXPerspective(): 'fovY' out of range ");
ASSERTMSGLINE(181, 0.0f != aspect, "MTXPerspective(): 'aspect' is 0 ");
angle = (0.5f * fovY);
angle = MTXDegToRad(angle);
cot = 1 / tanf(angle);
m[0][0] = (cot / aspect);
m[0][1] = 0;
m[0][2] = 0;
m[0][3] = 0;
m[1][0] = 0;
m[1][1] = (cot);
m[1][2] = 0;
m[1][3] = 0;
m[2][0] = 0;
m[2][1] = 0;
tmp = 1 / (f - n);
m[2][2] = (-n * tmp);
m[2][3] = (tmp * -(f * n));
m[3][0] = 0;
m[3][1] = 0;
m[3][2] = -1;
m[3][3] = 0;
}
void C_MTXOrtho(Mtx44 m, f32 t, f32 b, f32 l, f32 r, f32 n, f32 f) {
f32 tmp;
ASSERTMSGLINE(254, m, "MTXOrtho(): NULL Mtx44Ptr 'm' ");
ASSERTMSGLINE(255, t != b, "MTXOrtho(): 't' and 'b' clipping planes are equal ");
ASSERTMSGLINE(256, l != r, "MTXOrtho(): 'l' and 'r' clipping planes are equal ");
ASSERTMSGLINE(257, n != f, "MTXOrtho(): 'n' and 'f' clipping planes are equal ");
tmp = 1 / (r - l);
m[0][0] = 2 * tmp;
m[0][1] = 0;
m[0][2] = 0;
m[0][3] = (tmp * -(r + l));
tmp = 1 / (t - b);
m[1][0] = 0;
m[1][1] = 2 * tmp;
m[1][2] = 0;
m[1][3] = (tmp * -(t + b));
m[2][0] = 0;
m[2][1] = 0;
tmp = 1 / (f - n);
m[2][2] = (-1 * tmp);
m[2][3] = (-f * tmp);
m[3][0] = 0;
m[3][1] = 0;
m[3][2] = 0;
m[3][3] = 1;
}
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