Exemplos de MatrixMultiplyMOD em C++ (Cpp)

Exemplo n.º 1

Arquivo: tr_extra.c Projeto: dustinduse/etlegacy

void MatrixMultiplyScale(mat4_t m, vec_t x, vec_t y, vec_t z)
{
#if 0
	mat4_t tmp, scale;

	MatrixCopy(m, tmp);
	MatrixSetupScale(scale, x, y, z);
	MatrixMultiplyMOD(tmp, scale, m);
#else
	m[0] *= x;     m[4] *= y;        m[8] *= z;
	m[1] *= x;     m[5] *= y;        m[9] *= z;
	m[2] *= x;     m[6] *= y;        m[10] *= z;
	m[3] *= x;     m[7] *= y;        m[11] *= z;
#endif
}

Exemplo n.º 2

Arquivo: tr_sky.cpp Projeto: GenaSG/etlegacy

/*
** RB_DrawSun
*/
void RB_DrawSun(void)
{
	float    size;
	float    dist;
	vec3_t   origin, vec1, vec2;
	vec3_t   temp;
	matrix_t transformMatrix;
	matrix_t modelViewMatrix;

	if (!backEnd.skyRenderedThisView)
	{
		return;
	}
	if (!r_drawSun->integer)
	{
		return;
	}

#if defined(USE_D3D10)
	//TODO
#else
	GL_PushMatrix();

	gl_genericShader->DisableAlphaTesting();
	gl_genericShader->DisablePortalClipping();
	gl_genericShader->DisableVertexSkinning();
	gl_genericShader->DisableVertexAnimation();
	gl_genericShader->DisableDeformVertexes();
	gl_genericShader->DisableTCGenEnvironment();

	gl_genericShader->BindProgram();

	// set uniforms
	gl_genericShader->SetUniform_ColorModulate(CGEN_VERTEX, AGEN_VERTEX);
#endif

	MatrixSetupTranslation(transformMatrix, backEnd.viewParms.orientation.origin[0], backEnd.viewParms.orientation.origin[1], backEnd.viewParms.orientation.origin[2]);
	MatrixMultiplyMOD(backEnd.viewParms.world.viewMatrix, transformMatrix, modelViewMatrix);

#if defined(USE_D3D10)
	//TODO
#else
	GL_LoadProjectionMatrix(backEnd.viewParms.projectionMatrix);
	GL_LoadModelViewMatrix(modelViewMatrix);

	gl_genericShader->SetUniform_ModelMatrix(backEnd.orientation.transformMatrix);
	gl_genericShader->SetUniform_ModelViewProjectionMatrix(glState.modelViewProjectionMatrix[glState.stackIndex]);

	gl_genericShader->SetPortalClipping(backEnd.viewParms.isPortal);
#endif
	if (backEnd.viewParms.isPortal)
	{
		float plane[4];

		// clipping plane in world space
		plane[0] = backEnd.viewParms.portalPlane.normal[0];
		plane[1] = backEnd.viewParms.portalPlane.normal[1];
		plane[2] = backEnd.viewParms.portalPlane.normal[2];
		plane[3] = backEnd.viewParms.portalPlane.dist;

#if defined(USE_D3D10)
		//TODO
#else
		gl_genericShader->SetUniform_PortalPlane(plane);
#endif
	}


	dist = backEnd.viewParms.skyFar / 1.75; // div sqrt(3)
	size = dist * 0.4;

	VectorScale(tr.sunDirection, dist, origin);
	PerpendicularVector(vec1, tr.sunDirection);
	CrossProduct(tr.sunDirection, vec1, vec2);

	VectorScale(vec1, size, vec1);
	VectorScale(vec2, size, vec2);

	// farthest depth range
#if defined(USE_D3D10)
	//TODO
#else
	glDepthRange(1.0, 1.0);
#endif

	// FIXME: use quad stamp
	Tess_Begin(Tess_StageIteratorGeneric, NULL, tr.sunShader, NULL, tess.skipTangentSpaces, qfalse, -1, tess.fogNum);
	VectorCopy(origin, temp);
	VectorSubtract(temp, vec1, temp);
	VectorSubtract(temp, vec2, temp);
	VectorCopy(temp, tess.xyz[tess.numVertexes]);
	tess.xyz[tess.numVertexes][3]       = 1;
	tess.texCoords[tess.numVertexes][0] = 0;
	tess.texCoords[tess.numVertexes][1] = 0;
	tess.texCoords[tess.numVertexes][2] = 0;
	tess.texCoords[tess.numVertexes][3] = 1;
	tess.colors[tess.numVertexes][0]    = 1;
	tess.colors[tess.numVertexes][1]    = 1;
	tess.colors[tess.numVertexes][2]    = 1;
	tess.numVertexes++;

	VectorCopy(origin, temp);
	VectorAdd(temp, vec1, temp);
	VectorSubtract(temp, vec2, temp);
	VectorCopy(temp, tess.xyz[tess.numVertexes]);
	tess.xyz[tess.numVertexes][3]       = 1;
	tess.texCoords[tess.numVertexes][0] = 0;
	tess.texCoords[tess.numVertexes][1] = 1;
	tess.texCoords[tess.numVertexes][2] = 0;
	tess.texCoords[tess.numVertexes][3] = 1;
	tess.colors[tess.numVertexes][0]    = 1;
	tess.colors[tess.numVertexes][1]    = 1;
	tess.colors[tess.numVertexes][2]    = 1;
	tess.numVertexes++;

	VectorCopy(origin, temp);
	VectorAdd(temp, vec1, temp);
	VectorAdd(temp, vec2, temp);
	VectorCopy(temp, tess.xyz[tess.numVertexes]);
	tess.xyz[tess.numVertexes][3]       = 1;
	tess.texCoords[tess.numVertexes][0] = 1;
	tess.texCoords[tess.numVertexes][1] = 1;
	tess.texCoords[tess.numVertexes][2] = 0;
	tess.texCoords[tess.numVertexes][3] = 1;
	tess.colors[tess.numVertexes][0]    = 1;
	tess.colors[tess.numVertexes][1]    = 1;
	tess.colors[tess.numVertexes][2]    = 1;
	tess.numVertexes++;

	VectorCopy(origin, temp);
	VectorSubtract(temp, vec1, temp);
	VectorAdd(temp, vec2, temp);
	VectorCopy(temp, tess.xyz[tess.numVertexes]);
	tess.xyz[tess.numVertexes][3]       = 1;
	tess.texCoords[tess.numVertexes][0] = 1;
	tess.texCoords[tess.numVertexes][1] = 0;
	tess.texCoords[tess.numVertexes][2] = 0;
	tess.texCoords[tess.numVertexes][3] = 1;
	tess.colors[tess.numVertexes][0]    = 1;
	tess.colors[tess.numVertexes][1]    = 1;
	tess.colors[tess.numVertexes][2]    = 1;
	tess.numVertexes++;

	tess.indexes[tess.numIndexes++] = 0;
	tess.indexes[tess.numIndexes++] = 1;
	tess.indexes[tess.numIndexes++] = 2;
	tess.indexes[tess.numIndexes++] = 0;
	tess.indexes[tess.numIndexes++] = 2;
	tess.indexes[tess.numIndexes++] = 3;

	Tess_End();

	// back to normal depth range
#if defined(USE_D3D10)
	//TODO
#else
	glDepthRange(0.0, 1.0);

	GL_PopMatrix();
#endif
}