void ShaderBumpMap::Use(CL_GraphicContext &gc)
{
if (!material_updated)
{
material_updated = true;
program_object.set_uniform1f("MaterialShininess", material_shininess);
program_object.set_uniform4f("MaterialEmission", material_emission);
program_object.set_uniform4f("MaterialSpecular", material_specular);
program_object.set_uniform4f("MaterialAmbient", material_ambient);
}
if (!light_updated)
{
light_updated = true;
program_object.set_uniform4f("LightVector", light_vector);
CL_Vec4f light_halfvector(0.0f, 0.0f, 1.0f, 0.0f);
light_halfvector += light_vector;
light_halfvector.normalize3();
program_object.set_uniform4f("LightHalfVector", light_halfvector);
program_object.set_uniform4f("LightSpecular", light_specular);
program_object.set_uniform4f("LightDiffuse", light_diffuse);
program_object.set_uniform4f("LightAmbient", light_ambient);
}
gc.set_program_object(program_object);
}
void ShaderColor::Use(CL_GraphicContext &gc)
{
if (!material_updated)
{
material_updated = true;
program_object.set_uniform1f("MaterialShininess", material_shininess);
program_object.set_uniform4f("MaterialEmission", material_emission);
program_object.set_uniform4f("MaterialSpecular", material_specular);
program_object.set_uniform4f("MaterialAmbient", material_ambient);
}
if (!light_updated)
{
light_updated = true;
program_object.set_uniform3f("LightVector", light_vector);
CL_Vec3f light_halfvector(0.0f, 0.0f, 1.0f);
light_halfvector += light_vector;
light_halfvector.normalize();
program_object.set_uniform3f("LightHalfVector", light_halfvector);
program_object.set_uniform4f("LightSpecular", light_specular);
program_object.set_uniform4f("LightDiffuse", light_diffuse);
}
if (!spot_light_updated)
{
spot_light_updated = true;
program_object.set_uniform3f("SpotLight_Position", spot_light_position);
program_object.set_uniform3f("SpotLight_Direction", spot_light_direction);
program_object.set_uniform4f("SpotLight_Specular", spot_light_specular);
program_object.set_uniform4f("SpotLight_Diffuse", spot_light_diffuse);
float cos_cutoff = cos(spot_light_cutoff * CL_PI / 180.0f);
program_object.set_uniform1f("SpotLight_SpotCosCutoff", cos_cutoff);
program_object.set_uniform1f("SpotLight_SpotExponent", spot_light_exponent);
}
gc.set_program_object(program_object);
}
void Shader::Set(CL_GraphicContext &gc, int textureID)
{
if(textureID != -1)
{
program_object.set_uniform1i("HasTexture", 1);
program_object.set_uniform1i("Texture", textureID);
}
else
{
program_object.set_uniform1i("HasTexture", 0);
}
program_object.set_uniform1f("MaterialShininess", material_shininess);
program_object.set_uniform4f("MaterialEmission", material_emission);
program_object.set_uniform4f("MaterialSpecular", material_specular);
program_object.set_uniform3f("LightPosition", light_position);
CL_Vec3f light_halfvector(0.0f, 0.0f, 1.0f);
light_halfvector += light_position;
light_halfvector.normalize();
program_object.set_uniform3f("LightHalfVector", light_halfvector);
program_object.set_uniform4f("LightSpecular", light_specular);
program_object.set_uniform4f("LightDiffuse", light_diffuse);
}
