-#include "quakedef.h"
-#include "matrixlib.h"
#include <math.h>
+#include "matrixlib.h"
+
+const matrix4x4_t identitymatrix =
+{
+ {
+ {1, 0, 0, 0},
+ {0, 1, 0, 0},
+ {0, 0, 1, 0},
+ {0, 0, 0, 1}
+ }
+};
void Matrix4x4_Copy (matrix4x4_t *out, const matrix4x4_t *in)
{
out->m[1][0] = 0.0f;
out->m[1][1] = 0.0f;
out->m[1][2] = 0.0f;
- out->m[1][3] = in->m[0][3];
+ out->m[1][3] = in->m[1][3];
out->m[2][0] = 0.0f;
out->m[2][1] = 0.0f;
out->m[2][2] = 0.0f;
- out->m[2][3] = in->m[0][3];
- out->m[3][0] = 0.0f;
- out->m[3][1] = 0.0f;
- out->m[3][2] = 0.0f;
- out->m[3][3] = 1.0f;
-}
-
-void Matrix4x4_FromMatrix3x4 (matrix4x4_t *out, const matrix3x4_t *in)
-{
- out->m[0][0] = in->m[0][0];
- out->m[0][1] = in->m[0][1];
- out->m[0][2] = in->m[0][2];
- out->m[0][3] = in->m[0][3];
- out->m[1][0] = in->m[1][0];
- out->m[1][1] = in->m[1][1];
- out->m[1][2] = in->m[1][2];
- out->m[1][3] = in->m[1][3];
- out->m[2][0] = in->m[2][0];
- out->m[2][1] = in->m[2][1];
- out->m[2][2] = in->m[2][2];
out->m[2][3] = in->m[2][3];
out->m[3][0] = 0.0f;
out->m[3][1] = 0.0f;
// invert the rotation by transposing and multiplying by the squared
// recipricol of the input matrix scale as described above
- out->m[0][0] = in1->m[0][0] * scale;
- out->m[0][1] = in1->m[1][0] * scale;
- out->m[0][2] = in1->m[2][0] * scale;
- out->m[1][0] = in1->m[0][1] * scale;
- out->m[1][1] = in1->m[1][1] * scale;
- out->m[1][2] = in1->m[2][1] * scale;
- out->m[2][0] = in1->m[0][2] * scale;
- out->m[2][1] = in1->m[1][2] * scale;
- out->m[2][2] = in1->m[2][2] * scale;
+ out->m[0][0] = (float)(in1->m[0][0] * scale);
+ out->m[0][1] = (float)(in1->m[1][0] * scale);
+ out->m[0][2] = (float)(in1->m[2][0] * scale);
+ out->m[1][0] = (float)(in1->m[0][1] * scale);
+ out->m[1][1] = (float)(in1->m[1][1] * scale);
+ out->m[1][2] = (float)(in1->m[2][1] * scale);
+ out->m[2][0] = (float)(in1->m[0][2] * scale);
+ out->m[2][1] = (float)(in1->m[1][2] * scale);
+ out->m[2][2] = (float)(in1->m[2][2] * scale);
// invert the translate
out->m[0][3] = -(in1->m[0][3] * out->m[0][0] + in1->m[1][3] * out->m[0][1] + in1->m[2][3] * out->m[0][2]);
len = x*x+y*y+z*z;
if (len != 0.0f)
- len = 1.0f / sqrt(len);
+ len = 1.0f / (float)sqrt(len);
x *= len;
y *= len;
z *= len;
- angle *= -M_PI / 180.0;
- c = cos(angle);
- s = sin(angle);
+ angle *= (float)(-M_PI / 180.0);
+ c = (float)cos(angle);
+ s = (float)sin(angle);
out->m[0][0]=x * x + c * (1 - x * x);
out->m[0][1]=x * y * (1 - c) + z * s;
{
double angle, sr, sp, sy, cr, cp, cy;
- angle = yaw * (M_PI*2 / 360);
- sy = sin(angle);
- cy = cos(angle);
- angle = pitch * (M_PI*2 / 360);
- sp = sin(angle);
- cp = cos(angle);
- angle = roll * (M_PI*2 / 360);
- sr = sin(angle);
- cr = cos(angle);
- out->m[0][0] = (cp*cy) * scale;
- out->m[0][1] = (sr*sp*cy+cr*-sy) * scale;
- out->m[0][2] = (cr*sp*cy+-sr*-sy) * scale;
- out->m[0][3] = x;
- out->m[1][0] = (cp*sy) * scale;
- out->m[1][1] = (sr*sp*sy+cr*cy) * scale;
- out->m[1][2] = (cr*sp*sy+-sr*cy) * scale;
- out->m[1][3] = y;
- out->m[2][0] = (-sp) * scale;
- out->m[2][1] = (sr*cp) * scale;
- out->m[2][2] = (cr*cp) * scale;
- out->m[2][3] = z;
- out->m[3][0] = 0;
- out->m[3][1] = 0;
- out->m[3][2] = 0;
- out->m[3][3] = 1;
+ if (roll)
+ {
+ angle = yaw * (M_PI*2 / 360);
+ sy = sin(angle);
+ cy = cos(angle);
+ angle = pitch * (M_PI*2 / 360);
+ sp = sin(angle);
+ cp = cos(angle);
+ angle = roll * (M_PI*2 / 360);
+ sr = sin(angle);
+ cr = cos(angle);
+ out->m[0][0] = (float)((cp*cy) * scale);
+ out->m[0][1] = (float)((sr*sp*cy+cr*-sy) * scale);
+ out->m[0][2] = (float)((cr*sp*cy+-sr*-sy) * scale);
+ out->m[0][3] = x;
+ out->m[1][0] = (float)((cp*sy) * scale);
+ out->m[1][1] = (float)((sr*sp*sy+cr*cy) * scale);
+ out->m[1][2] = (float)((cr*sp*sy+-sr*cy) * scale);
+ out->m[1][3] = y;
+ out->m[2][0] = (float)((-sp) * scale);
+ out->m[2][1] = (float)((sr*cp) * scale);
+ out->m[2][2] = (float)((cr*cp) * scale);
+ out->m[2][3] = z;
+ out->m[3][0] = 0;
+ out->m[3][1] = 0;
+ out->m[3][2] = 0;
+ out->m[3][3] = 1;
+ }
+ else if (pitch)
+ {
+ angle = yaw * (M_PI*2 / 360);
+ sy = sin(angle);
+ cy = cos(angle);
+ angle = pitch * (M_PI*2 / 360);
+ sp = sin(angle);
+ cp = cos(angle);
+ out->m[0][0] = (float)((cp*cy) * scale);
+ out->m[0][1] = (float)((-sy) * scale);
+ out->m[0][2] = (float)((sp*cy) * scale);
+ out->m[0][3] = x;
+ out->m[1][0] = (float)((cp*sy) * scale);
+ out->m[1][1] = (float)((cy) * scale);
+ out->m[1][2] = (float)((sp*sy) * scale);
+ out->m[1][3] = y;
+ out->m[2][0] = (float)((-sp) * scale);
+ out->m[2][1] = 0;
+ out->m[2][2] = (float)((cp) * scale);
+ out->m[2][3] = z;
+ out->m[3][0] = 0;
+ out->m[3][1] = 0;
+ out->m[3][2] = 0;
+ out->m[3][3] = 1;
+ }
+ else if (yaw)
+ {
+ angle = yaw * (M_PI*2 / 360);
+ sy = sin(angle);
+ cy = cos(angle);
+ out->m[0][0] = (float)((cy) * scale);
+ out->m[0][1] = (float)((-sy) * scale);
+ out->m[0][2] = 0;
+ out->m[0][3] = x;
+ out->m[1][0] = (float)((sy) * scale);
+ out->m[1][1] = (float)((cy) * scale);
+ out->m[1][2] = 0;
+ out->m[1][3] = y;
+ out->m[2][0] = 0;
+ out->m[2][1] = 0;
+ out->m[2][2] = scale;
+ out->m[2][3] = z;
+ out->m[3][0] = 0;
+ out->m[3][1] = 0;
+ out->m[3][2] = 0;
+ out->m[3][3] = 1;
+ }
+ else
+ {
+ out->m[0][0] = scale;
+ out->m[0][1] = 0;
+ out->m[0][2] = 0;
+ out->m[0][3] = x;
+ out->m[1][0] = 0;
+ out->m[1][1] = scale;
+ out->m[1][2] = 0;
+ out->m[1][3] = y;
+ out->m[2][0] = 0;
+ out->m[2][1] = 0;
+ out->m[2][2] = scale;
+ out->m[2][3] = z;
+ out->m[3][0] = 0;
+ out->m[3][1] = 0;
+ out->m[3][2] = 0;
+ out->m[3][3] = 1;
+ }
}
void Matrix4x4_ToVectors(const matrix4x4_t *in, float vx[3], float vy[3], float vz[3], float t[3])
out->m[3][3] = 1.0f;
}
+void Matrix4x4_Blend (matrix4x4_t *out, const matrix4x4_t *in1, const matrix4x4_t *in2, float blend)
+{
+ float iblend = 1 - blend;
+ out->m[0][0] = in1->m[0][0] * iblend + in2->m[0][0] * blend;
+ out->m[0][1] = in1->m[0][1] * iblend + in2->m[0][1] * blend;
+ out->m[0][2] = in1->m[0][2] * iblend + in2->m[0][2] * blend;
+ out->m[0][3] = in1->m[0][3] * iblend + in2->m[0][3] * blend;
+ out->m[1][0] = in1->m[1][0] * iblend + in2->m[1][0] * blend;
+ out->m[1][1] = in1->m[1][1] * iblend + in2->m[1][1] * blend;
+ out->m[1][2] = in1->m[1][2] * iblend + in2->m[1][2] * blend;
+ out->m[1][3] = in1->m[1][3] * iblend + in2->m[1][3] * blend;
+ out->m[2][0] = in1->m[2][0] * iblend + in2->m[2][0] * blend;
+ out->m[2][1] = in1->m[2][1] * iblend + in2->m[2][1] * blend;
+ out->m[2][2] = in1->m[2][2] * iblend + in2->m[2][2] * blend;
+ out->m[2][3] = in1->m[2][3] * iblend + in2->m[2][3] * blend;
+ out->m[3][0] = in1->m[3][0] * iblend + in2->m[3][0] * blend;
+ out->m[3][1] = in1->m[3][1] * iblend + in2->m[3][1] * blend;
+ out->m[3][2] = in1->m[3][2] * iblend + in2->m[3][2] * blend;
+ out->m[3][3] = in1->m[3][3] * iblend + in2->m[3][3] * blend;
+}
+
+
void Matrix4x4_Transform (const matrix4x4_t *in, const float v[3], float out[3])
{
out[0] = v[0] * in->m[0][0] + v[1] * in->m[0][1] + v[2] * in->m[0][2] + in->m[0][3];
out[3] = v[0] * in->m[3][0] + v[1] * in->m[3][1] + v[2] * in->m[3][2] + v[3] * in->m[3][3];
}
+void Matrix4x4_Transform3x3 (const matrix4x4_t *in, const float v[3], float out[3])
+{
+ out[0] = v[0] * in->m[0][0] + v[1] * in->m[0][1] + v[2] * in->m[0][2];
+ out[1] = v[0] * in->m[1][0] + v[1] * in->m[1][1] + v[2] * in->m[1][2];
+ out[2] = v[0] * in->m[2][0] + v[1] * in->m[2][1] + v[2] * in->m[2][2];
+}
+
/*
void Matrix4x4_SimpleUntransform (const matrix4x4_t *in, const float v[3], float out[3])
{
Matrix4x4_Concat(out, &base, &temp);
}
-void Matrix4x4_Print (const matrix4x4_t *in)
-{
- Con_Printf("%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n"
- , in->m[0][0], in->m[0][1], in->m[0][2], in->m[0][3]
- , in->m[1][0], in->m[1][1], in->m[1][2], in->m[1][3]
- , in->m[2][0], in->m[2][1], in->m[2][2], in->m[2][3]
- , in->m[3][0], in->m[3][1], in->m[3][2], in->m[3][3]);
-}
-
-
-
-
-
-
-
-void Matrix3x4_Copy (matrix3x4_t *out, const matrix3x4_t *in)
-{
- *out = *in;
-}
-
-void Matrix3x4_CopyRotateOnly (matrix3x4_t *out, const matrix3x4_t *in)
-{
- out->m[0][0] = in->m[0][0];
- out->m[0][1] = in->m[0][1];
- out->m[0][2] = in->m[0][2];
- out->m[0][3] = 0.0f;
- out->m[1][0] = in->m[1][0];
- out->m[1][1] = in->m[1][1];
- out->m[1][2] = in->m[1][2];
- out->m[1][3] = 0.0f;
- out->m[2][0] = in->m[2][0];
- out->m[2][1] = in->m[2][1];
- out->m[2][2] = in->m[2][2];
- out->m[2][3] = 0.0f;
-}
-
-void Matrix3x4_CopyTranslateOnly (matrix3x4_t *out, const matrix3x4_t *in)
-{
- out->m[0][0] = 0.0f;
- out->m[0][1] = 0.0f;
- out->m[0][2] = 0.0f;
- out->m[0][3] = in->m[0][3];
- out->m[1][0] = 0.0f;
- out->m[1][1] = 0.0f;
- out->m[1][2] = 0.0f;
- out->m[1][3] = in->m[0][3];
- out->m[2][0] = 0.0f;
- out->m[2][1] = 0.0f;
- out->m[2][2] = 0.0f;
- out->m[2][3] = in->m[0][3];
-}
-
-void Matrix3x4_FromMatrix4x4 (matrix3x4_t *out, const matrix4x4_t *in)
-{
- out->m[0][0] = in->m[0][0];
- out->m[0][1] = in->m[0][1];
- out->m[0][2] = in->m[0][2];
- out->m[0][3] = in->m[0][3];
- out->m[1][0] = in->m[1][0];
- out->m[1][1] = in->m[1][1];
- out->m[1][2] = in->m[1][2];
- out->m[1][3] = in->m[1][3];
- out->m[2][0] = in->m[2][0];
- out->m[2][1] = in->m[2][1];
- out->m[2][2] = in->m[2][2];
- out->m[2][3] = in->m[2][3];
-}
-
-void Matrix3x4_Concat (matrix3x4_t *out, const matrix3x4_t *in1, const matrix3x4_t *in2)
+void Matrix4x4_OriginFromMatrix (const matrix4x4_t *in, float *out)
{
- out->m[0][0] = in1->m[0][0] * in2->m[0][0] + in1->m[0][1] * in2->m[1][0] + in1->m[0][2] * in2->m[2][0];
- out->m[0][1] = in1->m[0][0] * in2->m[0][1] + in1->m[0][1] * in2->m[1][1] + in1->m[0][2] * in2->m[2][1];
- out->m[0][2] = in1->m[0][0] * in2->m[0][2] + in1->m[0][1] * in2->m[1][2] + in1->m[0][2] * in2->m[2][2];
- out->m[0][3] = in1->m[0][0] * in2->m[0][3] + in1->m[0][1] * in2->m[1][3] + in1->m[0][2] * in2->m[2][3] + in1->m[0][3];
- out->m[1][0] = in1->m[1][0] * in2->m[0][0] + in1->m[1][1] * in2->m[1][0] + in1->m[1][2] * in2->m[2][0];
- out->m[1][1] = in1->m[1][0] * in2->m[0][1] + in1->m[1][1] * in2->m[1][1] + in1->m[1][2] * in2->m[2][1];
- out->m[1][2] = in1->m[1][0] * in2->m[0][2] + in1->m[1][1] * in2->m[1][2] + in1->m[1][2] * in2->m[2][2];
- out->m[1][3] = in1->m[1][0] * in2->m[0][3] + in1->m[1][1] * in2->m[1][3] + in1->m[1][2] * in2->m[2][3] + in1->m[1][3];
- out->m[2][0] = in1->m[2][0] * in2->m[0][0] + in1->m[2][1] * in2->m[1][0] + in1->m[2][2] * in2->m[2][0];
- out->m[2][1] = in1->m[2][0] * in2->m[0][1] + in1->m[2][1] * in2->m[1][1] + in1->m[2][2] * in2->m[2][1];
- out->m[2][2] = in1->m[2][0] * in2->m[0][2] + in1->m[2][1] * in2->m[1][2] + in1->m[2][2] * in2->m[2][2];
- out->m[2][3] = in1->m[2][0] * in2->m[0][3] + in1->m[2][1] * in2->m[1][3] + in1->m[2][2] * in2->m[2][3] + in1->m[2][3];
-}
-
-void Matrix3x4_Transpose3x3 (matrix3x4_t *out, const matrix3x4_t *in1)
-{
- out->m[0][0] = in1->m[0][0];
- out->m[0][1] = in1->m[1][0];
- out->m[0][2] = in1->m[2][0];
- out->m[0][3] = 0.0f;
- out->m[1][0] = in1->m[0][1];
- out->m[1][1] = in1->m[1][1];
- out->m[1][2] = in1->m[2][1];
- out->m[1][3] = 0.0f;
- out->m[2][0] = in1->m[0][2];
- out->m[2][1] = in1->m[1][2];
- out->m[2][2] = in1->m[2][2];
- out->m[2][3] = 0.0f;
+ out[0] = in->m[0][3];
+ out[1] = in->m[1][3];
+ out[2] = in->m[2][3];
}
-void Matrix3x4_Invert_Simple (matrix3x4_t *out, const matrix3x4_t *in1)
+float Matrix4x4_ScaleFromMatrix (const matrix4x4_t *in)
{
// we only support uniform scaling, so assume the first row is enough
- // (note the lack of sqrt here, because we're trying to undo the scaling,
- // this means multiplying by the inverse scale twice - squaring it, which
- // makes the sqrt a waste of time)
-#if 1
- double scale = 1.0 / (in1->m[0][0] * in1->m[0][0] + in1->m[0][1] * in1->m[0][1] + in1->m[0][2] * in1->m[0][2]);
-#else
- double scale = 3.0 / sqrt
- (in1->m[0][0] * in1->m[0][0] + in1->m[0][1] * in1->m[0][1] + in1->m[0][2] * in1->m[0][2]
- + in1->m[1][0] * in1->m[1][0] + in1->m[1][1] * in1->m[1][1] + in1->m[1][2] * in1->m[1][2]
- + in1->m[2][0] * in1->m[2][0] + in1->m[2][1] * in1->m[2][1] + in1->m[2][2] * in1->m[2][2]);
- scale *= scale;
-#endif
-
- // invert the rotation by transposing and multiplying by the squared
- // recipricol of the input matrix scale as described above
- out->m[0][0] = in1->m[0][0] * scale;
- out->m[0][1] = in1->m[1][0] * scale;
- out->m[0][2] = in1->m[2][0] * scale;
- out->m[1][0] = in1->m[0][1] * scale;
- out->m[1][1] = in1->m[1][1] * scale;
- out->m[1][2] = in1->m[2][1] * scale;
- out->m[2][0] = in1->m[0][2] * scale;
- out->m[2][1] = in1->m[1][2] * scale;
- out->m[2][2] = in1->m[2][2] * scale;
-
- // invert the translate
- out->m[0][3] = -(in1->m[0][3] * out->m[0][0] + in1->m[1][3] * out->m[0][1] + in1->m[2][3] * out->m[0][2]);
- out->m[1][3] = -(in1->m[0][3] * out->m[1][0] + in1->m[1][3] * out->m[1][1] + in1->m[2][3] * out->m[1][2]);
- out->m[2][3] = -(in1->m[0][3] * out->m[2][0] + in1->m[1][3] * out->m[2][1] + in1->m[2][3] * out->m[2][2]);
-}
-
-
-void Matrix3x4_CreateIdentity (matrix3x4_t *out)
-{
- out->m[0][0]=1.0f;
- out->m[0][1]=0.0f;
- out->m[0][2]=0.0f;
- out->m[0][3]=0.0f;
- out->m[1][0]=0.0f;
- out->m[1][1]=1.0f;
- out->m[1][2]=0.0f;
- out->m[1][3]=0.0f;
- out->m[2][0]=0.0f;
- out->m[2][1]=0.0f;
- out->m[2][2]=1.0f;
- out->m[2][3]=0.0f;
-}
-
-void Matrix3x4_CreateTranslate (matrix3x4_t *out, float x, float y, float z)
-{
- out->m[0][0]=1.0f;
- out->m[0][1]=0.0f;
- out->m[0][2]=0.0f;
- out->m[0][3]=x;
- out->m[1][0]=0.0f;
- out->m[1][1]=1.0f;
- out->m[1][2]=0.0f;
- out->m[1][3]=y;
- out->m[2][0]=0.0f;
- out->m[2][1]=0.0f;
- out->m[2][2]=1.0f;
- out->m[2][3]=z;
-}
-
-void Matrix3x4_CreateRotate (matrix3x4_t *out, float angle, float x, float y, float z)
-{
- float len, c, s;
-
- len = x*x+y*y+z*z;
- if (len != 0.0f)
- len = 1.0f / sqrt(len);
- x *= len;
- y *= len;
- z *= len;
-
- angle *= M_PI / 180.0;
- c = cos(angle);
- s = sin(angle);
-
- out->m[0][0]=x * x + c * (1 - x * x);
- out->m[0][1]=x * y * (1 - c) + z * s;
- out->m[0][2]=z * x * (1 - c) - y * s;
- out->m[0][3]=0.0f;
- out->m[1][0]=x * y * (1 - c) - z * s;
- out->m[1][1]=y * y + c * (1 - y * y);
- out->m[1][2]=y * z * (1 - c) + x * s;
- out->m[1][3]=0.0f;
- out->m[2][0]=z * x * (1 - c) + y * s;
- out->m[2][1]=y * z * (1 - c) - x * s;
- out->m[2][2]=z * z + c * (1 - z * z);
- out->m[2][3]=0.0f;
-}
-
-void Matrix3x4_CreateScale (matrix3x4_t *out, float x)
-{
- out->m[0][0]=x;
- out->m[0][1]=0.0f;
- out->m[0][2]=0.0f;
- out->m[0][3]=0.0f;
- out->m[1][0]=0.0f;
- out->m[1][1]=x;
- out->m[1][2]=0.0f;
- out->m[1][3]=0.0f;
- out->m[2][0]=0.0f;
- out->m[2][1]=0.0f;
- out->m[2][2]=x;
- out->m[2][3]=0.0f;
-}
-
-void Matrix3x4_CreateScale3 (matrix3x4_t *out, float x, float y, float z)
-{
- out->m[0][0]=x;
- out->m[0][1]=0.0f;
- out->m[0][2]=0.0f;
- out->m[0][3]=0.0f;
- out->m[1][0]=0.0f;
- out->m[1][1]=y;
- out->m[1][2]=0.0f;
- out->m[1][3]=0.0f;
- out->m[2][0]=0.0f;
- out->m[2][1]=0.0f;
- out->m[2][2]=z;
- out->m[2][3]=0.0f;
-}
-
-void Matrix3x4_CreateFromQuakeEntity(matrix3x4_t *out, float x, float y, float z, float pitch, float yaw, float roll, float scale)
-{
- double angle, sr, sp, sy, cr, cp, cy;
-
- angle = yaw * (M_PI*2 / 360);
- sy = sin(angle);
- cy = cos(angle);
- angle = pitch * (M_PI*2 / 360);
- sp = sin(angle);
- cp = cos(angle);
- angle = roll * (M_PI*2 / 360);
- sr = sin(angle);
- cr = cos(angle);
- out->m[0][0] = (cp*cy) * scale;
- out->m[0][1] = (sr*sp*cy+cr*-sy) * scale;
- out->m[0][2] = (cr*sp*cy+-sr*-sy) * scale;
- out->m[0][3] = x;
- out->m[1][0] = (cp*sy) * scale;
- out->m[1][1] = (sr*sp*sy+cr*cy) * scale;
- out->m[1][2] = (cr*sp*sy+-sr*cy) * scale;
- out->m[1][3] = y;
- out->m[2][0] = (-sp) * scale;
- out->m[2][1] = (sr*cp) * scale;
- out->m[2][2] = (cr*cp) * scale;
- out->m[2][3] = z;
-}
-
-void Matrix3x4_ToVectors(const matrix3x4_t *in, float vx[3], float vy[3], float vz[3], float t[3])
-{
- vx[0] = in->m[0][0];
- vx[1] = in->m[1][0];
- vx[2] = in->m[2][0];
- vy[0] = in->m[0][1];
- vy[1] = in->m[1][1];
- vy[2] = in->m[2][1];
- vz[0] = in->m[0][2];
- vz[1] = in->m[1][2];
- vz[2] = in->m[2][2];
- t[0] = in->m[0][3];
- t[1] = in->m[1][3];
- t[2] = in->m[2][3];
-}
-
-void Matrix3x4_FromVectors(matrix3x4_t *out, const float vx[3], const float vy[3], const float vz[3], const float t[3])
-{
- out->m[0][0] = vx[0];
- out->m[0][1] = vy[0];
- out->m[0][2] = vz[0];
- out->m[0][3] = t[0];
- out->m[1][0] = vx[1];
- out->m[1][1] = vy[1];
- out->m[1][2] = vz[1];
- out->m[1][3] = t[1];
- out->m[2][0] = vx[2];
- out->m[2][1] = vy[2];
- out->m[2][2] = vz[2];
- out->m[2][3] = t[2];
-}
-
-void Matrix3x4_Transform (const matrix3x4_t *in, const float v[3], float out[3])
-{
- out[0] = v[0] * in->m[0][0] + v[1] * in->m[0][1] + v[2] * in->m[0][2] + in->m[0][3];
- out[1] = v[0] * in->m[1][0] + v[1] * in->m[1][1] + v[2] * in->m[1][2] + in->m[1][3];
- out[2] = v[0] * in->m[2][0] + v[1] * in->m[2][1] + v[2] * in->m[2][2] + in->m[2][3];
-}
-
-void Matrix3x4_SimpleUntransform (const matrix3x4_t *in, const float v[3], float out[3])
-{
- float t[3];
- t[0] = v[0] - in->m[0][3];
- t[1] = v[1] - in->m[1][3];
- t[2] = v[2] - in->m[2][3];
- out[0] = t[0] * in->m[0][0] + t[1] * in->m[1][0] + t[2] * in->m[2][0];
- out[1] = t[0] * in->m[0][1] + t[1] * in->m[1][1] + t[2] * in->m[2][1];
- out[2] = t[0] * in->m[0][2] + t[1] * in->m[1][2] + t[2] * in->m[2][2];
-}
-
-// FIXME: optimize
-void Matrix3x4_ConcatTranslate (matrix3x4_t *out, float x, float y, float z)
-{
- matrix3x4_t base, temp;
- base = *out;
- Matrix3x4_CreateTranslate(&temp, x, y, z);
- Matrix3x4_Concat(out, &base, &temp);
-}
-
-// FIXME: optimize
-void Matrix3x4_ConcatRotate (matrix3x4_t *out, float angle, float x, float y, float z)
-{
- matrix3x4_t base, temp;
- base = *out;
- Matrix3x4_CreateRotate(&temp, angle, x, y, z);
- Matrix3x4_Concat(out, &base, &temp);
-}
-
-// FIXME: optimize
-void Matrix3x4_ConcatScale (matrix3x4_t *out, float x)
-{
- matrix3x4_t base, temp;
- base = *out;
- Matrix3x4_CreateScale(&temp, x);
- Matrix3x4_Concat(out, &base, &temp);
-}
-
-// FIXME: optimize
-void Matrix3x4_ConcatScale3 (matrix3x4_t *out, float x, float y, float z)
-{
- matrix3x4_t base, temp;
- base = *out;
- Matrix3x4_CreateScale3(&temp, x, y, z);
- Matrix3x4_Concat(out, &base, &temp);
-}
-
-void Matrix3x4_Print (const matrix3x4_t *in)
-{
- Con_Printf("%f %f %f %f\n%f %f %f %f\n%f %f %f %f\n"
- , in->m[0][0], in->m[0][1], in->m[0][2], in->m[0][3]
- , in->m[1][0], in->m[1][1], in->m[1][2], in->m[1][3]
- , in->m[2][0], in->m[2][1], in->m[2][2], in->m[2][3]);
+ return (float)sqrt(in->m[0][0] * in->m[0][0] + in->m[0][1] * in->m[0][1] + in->m[0][2] * in->m[0][2]);
}
projects / xonotic / darkplaces.git / blobdiff