#ifndef INSMATRIX_H_INCLUDED
#define INSMATRIX_H_INCLUDED

#include <InsCfg.h>
#include <BaseTypes.h>

#ifdef COMPILE_IN_WINDOWS

#include <windows.h>
#define GLEW_STATIC
#include <GL/glew.h>

#else

#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>

#endif // COMPILE_IN_WINDOWS

#ifndef LoadIdentityMatrix

#define LoadIdentityMatrix(mat4x4) do{\
    mat4x4[ 0] = 1.0f; mat4x4[ 1] = 0.0f; mat4x4[ 2] = 0.0f; mat4x4[ 3] = 0.0f; \
    mat4x4[ 4] = 0.0f; mat4x4[ 5] = 1.0f; mat4x4[ 6] = 0.0f; mat4x4[ 7] = 0.0f; \
    mat4x4[ 8] = 0.0f; mat4x4[ 9] = 0.0f; mat4x4[10] = 1.0f; mat4x4[11] = 0.0f; \
    mat4x4[12] = 0.0f; mat4x4[13] = 0.0f; mat4x4[14] = 0.0f; mat4x4[15] = 1.0f;}while(0)

#endif // LoadIdentityMatrix

typedef struct
{
    GLfloat mat[MAX_MATRIX4x4STACK_DEPTH][4*4];
    GLint   idx;
} Matrix4x4Stack;

#define StackMat(stack) ((stack).mat[(stack).idx])

#define ReSetMatStack(stack) (stack).idx = (0)

#define PushMatrix4x4Stack(stack) do\
{\
    if((stack).idx+1 < MAX_MATRIX4x4STACK_DEPTH)\
    {\
        CopyMatrix4x4((stack).mat[(stack).idx+1], (stack).mat[(stack).idx]);\
        (stack).idx += 1;\
    }\
}while(0)

#define PopMatrix4x4Stack(stack) do{if((stack).idx > 0){(stack).idx -= (1);}}while(0)

GLfloat *MultMatrix4x4
(
	GLfloat *matC,
	GLfloat *matA,
	GLfloat *matB
);

GLfloat *MultMatrix4x4Vec4x1
(
	GLfloat *vecB,
	GLfloat *matA,
	GLfloat *vecA
);

GLfloat *CopyMatrix4x4
(
	GLfloat *matDes,
	GLfloat *matSrc
);

Bool InvertMatrix4x4
(
	GLfloat *inverse,
	GLfloat *src
);

GLfloat *SetRotateMat4x4
(
	GLfloat *mat4x4,
	Vec3f *axis_nor,
	GLfloat angle
);

GLfloat *RotateMat4x4
(
	GLfloat *mat4x4,
	Vec3f *axis_nor,
	GLfloat angle
);

GLfloat *SetRotateMatrix4x4_X_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *RotateMatrix4x4_X_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *SetRotateMatrix4x4_Y_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *RotateMatrix4x4_Y_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *SetRotateMatrix4x4_Z_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *RotateMatrix4x4_Z_Axis
(
	GLfloat *mat4x4,
	GLfloat angle
);

GLfloat *SetTranslateMatrix4x4
(
	GLfloat *mat4x4,
	GLfloat trX,
	GLfloat trY,
	GLfloat trZ
);

GLfloat *TranslateMatrix4x4
(
	GLfloat *mat4x4,
	GLfloat trX,
	GLfloat trY,
	GLfloat trZ
);

GLfloat *SetScaleMatrix4x4
(
	GLfloat *mat4x4,
	GLfloat scaleX,
	GLfloat scaleY,
	GLfloat scaleZ
);

GLfloat *ScaleMatrix4x4
(
	GLfloat *mat4x4,
	GLfloat scaleX,
	GLfloat scaleY,
	GLfloat scaleZ
);

#endif // INSMATRIX_H_INCLUDED