forked from bartvdbraak/blender
950 lines
23 KiB
C++
950 lines
23 KiB
C++
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// ------------------------------------
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// ...
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// ------------------------------------
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef WIN32
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#include <windows.h>
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#endif // WIN32
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#ifdef __APPLE__
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#include <OpenGL/gl.h>
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#include <OpenGL/glu.h>
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#else
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#include <GL/gl.h>
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#include <GL/glu.h>
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#endif
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#include "KX_BlenderMaterial.h"
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#include "BL_Material.h"
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#include "KX_Scene.h"
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#include "KX_Light.h"
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#include "KX_GameObject.h"
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#include "MT_Vector3.h"
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#include "MT_Vector4.h"
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#include "MT_Matrix4x4.h"
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#include "RAS_MeshObject.h"
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#include "RAS_IRasterizer.h"
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#include "RAS_OpenGLRasterizer/RAS_GLExtensionManager.h"
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#include "RAS_OpenGLRasterizer/ARB_multitexture.h"
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extern "C" {
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#include "BDR_drawmesh.h"
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}
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#include "STR_HashedString.h"
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// ------------------------------------
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#include "DNA_object_types.h"
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#include "DNA_material_types.h"
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#include "DNA_image_types.h"
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#include "DNA_mesh_types.h"
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#include "BKE_mesh.h"
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// ------------------------------------
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using namespace bgl;
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#define spit(x) std::cout << x << std::endl;
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//static PyObject *gTextureDict = 0;
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KX_BlenderMaterial::KX_BlenderMaterial(
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KX_Scene *scene,
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BL_Material *data,
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bool skin,
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int lightlayer,
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void *clientobject,
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PyTypeObject *T
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)
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: PyObjectPlus(T),
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RAS_IPolyMaterial(
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STR_String( data->texname[0] ),
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STR_String( data->matname ), // needed for physics!
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data->tile,
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data->tilexrep[0],
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data->tileyrep[0],
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data->mode,
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((data->ras_mode &TRANSP)!=0),
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((data->ras_mode &ZSORT)!=0),
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lightlayer,
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((data->ras_mode &TRIANGLE)!=0),
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clientobject
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),
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mMaterial(data),
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mShader(0),
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mScene(scene),
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mPass(0)
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{
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///RAS_EXT_support._ARB_multitexture == true if were here
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// --------------------------------
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// RAS_IPolyMaterial variables...
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m_flag |=RAS_BLENDERMAT;
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m_flag |=(mMaterial->IdMode>=ONETEX)?RAS_MULTITEX:0;
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m_flag |=(mMaterial->ras_mode & USE_LIGHT)!=0?RAS_MULTILIGHT:0;
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// figure max
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#ifdef GL_ARB_multitexture
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int enabled = mMaterial->num_enabled;
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mMaterial->num_enabled = enabled>=bgl::max_texture_units?bgl::max_texture_units:enabled;
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#else
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mMaterial->num_enabled=0;
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#endif
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m_enabled = mMaterial->num_enabled;
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// test the sum of the various modes for equality
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// so we can ether accept or reject this material
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// as being equal, this is rather important to
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// prevent material bleeding
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for(int i=0; i<mMaterial->num_enabled; i++) {
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m_multimode +=
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(mMaterial->flag[i] +
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mMaterial->blend_mode[i]
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);
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}
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m_multimode += mMaterial->IdMode+mMaterial->ras_mode;
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}
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KX_BlenderMaterial::~KX_BlenderMaterial()
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{
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// cleanup work
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OnExit();
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}
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TFace* KX_BlenderMaterial::GetTFace(void) const
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{
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// fonts on polys
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MT_assert(mMaterial->tface);
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return mMaterial->tface;
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}
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void KX_BlenderMaterial::OnConstruction()
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{
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// for each unique material...
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#ifdef GL_ARB_multitexture
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/* will be used to switch textures
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if(!gTextureDict)
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gTextureDict = PyDict_New();
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*/
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#ifdef GL_ARB_shader_objects
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if( RAS_EXT_support._ARB_shader_objects )
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mShader = new BL_Shader( mMaterial->num_enabled );
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#endif
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int i;
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for(i=0; i<mMaterial->num_enabled; i++) {
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB+i);
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#ifdef GL_ARB_texture_cube_map
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if( mMaterial->mapping[i].mapping & USEENV ) {
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if(!RAS_EXT_support._ARB_texture_cube_map) {
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spit("CubeMap textures not supported");
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continue;
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}
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if(!mTextures[i].InitCubeMap( mMaterial->cubemap[i] ) )
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spit("unable to initialize image("<<i<<") in "<<
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mMaterial->matname<< ", image will not be available");
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if( RAS_EXT_support._ARB_shader_objects )
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mShader->InitializeSampler(SAMP_CUBE, i, 0, mTextures[i]);
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}
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else {
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#endif//GL_ARB_texture_cube_map
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if( mMaterial->img[i] ) {
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if( ! mTextures[i].InitFromImage(mMaterial->img[i], (mMaterial->flag[i] &MIPMAP)!=0 ))
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spit("unable to initialize image("<<i<<") in "<<
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mMaterial->matname<< ", image will not be available");
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if( RAS_EXT_support._ARB_shader_objects )
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mShader->InitializeSampler(SAMP_2D, i, 0, mTextures[i]);
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}
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#ifdef GL_ARB_texture_cube_map
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}
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#endif//GL_ARB_texture_cube_map
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/*PyDict_SetItemString(gTextureDict, mTextures[i].GetName().Ptr(), PyInt_FromLong(mTextures[i]));*/
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}
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#endif//GL_ARB_multitexture
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}
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void KX_BlenderMaterial::OnExit()
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{
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#ifdef GL_ARB_multitexture
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#ifdef GL_ARB_shader_objects
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if( RAS_EXT_support._ARB_shader_objects && mShader ) {
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//note, the shader here is allocated, per unique material
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//and this function is called per face
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bgl::blUseProgramObjectARB(0);
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delete mShader;
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mShader = 0;
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}
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#endif //GL_ARB_shader_objects
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for(int i=0; i<mMaterial->num_enabled; i++) {
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB+i);
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mTextures[i].DeleteTex();
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glMatrixMode(GL_TEXTURE);
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glLoadIdentity();
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glMatrixMode(GL_MODELVIEW);
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#ifdef GL_ARB_texture_cube_map
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if(RAS_EXT_support._ARB_texture_cube_map)
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glDisable(GL_TEXTURE_CUBE_MAP_ARB);
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#endif//GL_ARB_texture_cube_map
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_TEXTURE_GEN_S);
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glDisable(GL_TEXTURE_GEN_T);
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glDisable(GL_TEXTURE_GEN_R);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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}
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/*if (gTextureDict) {
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PyDict_Clear(gTextureDict);
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Py_DECREF(gTextureDict);
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gTextureDict = 0;
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}*/
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB);
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#ifdef GL_ARB_texture_cube_map
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if(RAS_EXT_support._ARB_texture_cube_map)
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glDisable(GL_TEXTURE_CUBE_MAP_ARB);
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#endif//GL_ARB_texture_cube_map
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glDisable(GL_TEXTURE_2D);
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#endif//GL_ARB_multitexture
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// make sure multi texture units
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// revert back to blender...
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// --
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if( mMaterial->tface )
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set_tpage(mMaterial->tface);
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}
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void KX_BlenderMaterial::DisableTexData()
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{
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glDisable(GL_BLEND);
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#ifdef GL_ARB_multitexture
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int i=(MAXTEX>=bgl::max_texture_units?bgl::max_texture_units:MAXTEX)-1;
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for(; i>=0; i--) {
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB+i);
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glMatrixMode(GL_TEXTURE);
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glLoadIdentity();
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glMatrixMode(GL_MODELVIEW);
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#ifdef GL_ARB_texture_cube_map
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if(RAS_EXT_support._ARB_texture_cube_map)
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glDisable(GL_TEXTURE_CUBE_MAP_ARB);
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#endif//GL_ARB_texture_cube_map
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glDisable(GL_TEXTURE_2D);
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glDisable(GL_TEXTURE_GEN_S);
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glDisable(GL_TEXTURE_GEN_T);
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glDisable(GL_TEXTURE_GEN_R);
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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}
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#endif//GL_ARB_multitexture
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}
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void KX_BlenderMaterial::setShaderData( bool enable )
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{
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#ifdef GL_ARB_multitexture
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#ifdef GL_ARB_shader_objects
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MT_assert(RAS_EXT_support._ARB_shader_objects && mShader);
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int i;
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if( !enable || !mShader->Ok() ) {
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// frame cleanup.
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bgl::blUseProgramObjectARB( 0 );
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DisableTexData();
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return;
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}
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DisableTexData();
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bgl::blUseProgramObjectARB( mShader->GetProg() );
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// for each enabled unit
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for(i=0; i<mMaterial->num_enabled; i++) {
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const uSampler *samp = mShader->getSampler(i);
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if( samp->loc == -1 || samp->glTexture == 0 ) continue;
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB+i);
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#ifdef GL_ARB_texture_cube_map
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if( mMaterial->mapping[i].mapping &USEENV ) {
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glBindTexture( GL_TEXTURE_CUBE_MAP_ARB, samp->glTexture /* mTextures[i]*/ );
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glEnable( GL_TEXTURE_CUBE_MAP_ARB );
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}
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else {
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#endif//GL_ARB_texture_cube_map
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glBindTexture( GL_TEXTURE_2D, samp->glTexture /*mTextures[i]*/ );
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glEnable( GL_TEXTURE_2D );
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#ifdef GL_ARB_texture_cube_map
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}
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#endif//GL_ARB_texture_cube_map
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// use a sampler
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bgl::blUniform1iARB(samp->loc, i );
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}
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glDisable(GL_BLEND);
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#endif//GL_ARB_shader_objects
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#endif//GL_ARB_multitexture
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}
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void KX_BlenderMaterial::setTexData( bool enable )
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{
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#ifdef GL_ARB_multitexture
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int i;
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#ifdef GL_ARB_shader_objects
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if(RAS_EXT_support._ARB_shader_objects) {
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// switch back to fixed func
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bgl::blUseProgramObjectARB( 0 );
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}
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#endif//GL_ARB_shader_objects
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if( !enable ) {
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// frame cleanup.
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DisableTexData();
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return;
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}
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DisableTexData();
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if( mMaterial->IdMode == DEFAULT_BLENDER ) {
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setDefaultBlending();
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return;
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}
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if( mMaterial->IdMode == TEXFACE ) {
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// no material connected to the object
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if( mTextures[0] ) {
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if( !mTextures[0].Ok() ) return;
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB);
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glBindTexture( GL_TEXTURE_2D, mTextures[0] );
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glEnable(GL_TEXTURE_2D);
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setTextureEnvironment( -1 ); // modulate
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setEnvMap( (mMaterial->mapping[0].mapping &USEREFL)!=0 );
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setDefaultBlending();
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}
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return;
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}
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int lastblend = 0;
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// for each enabled unit
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for(i=0; (i<mMaterial->num_enabled); i++) {
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if( !mTextures[i].Ok() ) continue;
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bgl::blActiveTextureARB(GL_TEXTURE0_ARB+i);
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#ifdef GL_ARB_texture_cube_map
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// use environment maps
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if( mMaterial->mapping[i].mapping &USEENV && RAS_EXT_support._ARB_texture_cube_map ) {
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glBindTexture( GL_TEXTURE_CUBE_MAP_ARB, mTextures[i] );
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glEnable(GL_TEXTURE_CUBE_MAP_ARB);
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setTextureEnvironment( i );
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if( mMaterial->mapping[i].mapping &USEREFL )
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setEnvMap( true, true );
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else if(mMaterial->mapping[i].mapping &USEOBJ)
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setObjectMatrixData(i);
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else
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setTexMatrixData( i );
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}
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// 2d textures
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else {
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#endif//GL_ARB_texture_cube_map
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glBindTexture( GL_TEXTURE_2D, mTextures[i] );
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glEnable( GL_TEXTURE_2D );
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setTextureEnvironment( i );
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if( mMaterial->mapping[i].mapping &USEREFL ){
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setEnvMap( true );
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}
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else if(mMaterial->mapping[i].mapping &USEOBJ){
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setObjectMatrixData(i);
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}
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else {
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setTexMatrixData( i );
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}
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#ifdef GL_ARB_texture_cube_map
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}
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#endif//GL_ARB_texture_cube_map
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// if either unit has set blending
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// and its the last pass
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lastblend += setBlending( i ); // dry run
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if(lastblend >0 && i==mMaterial->num_enabled-1)
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setBlending( i, true );
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else if(lastblend == 0 && i==mMaterial->num_enabled-1)
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glDisable(GL_BLEND);
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}
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#endif//GL_ARB_multitexture
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}
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void
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KX_BlenderMaterial::ActivatShaders(
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RAS_IRasterizer* rasty,
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TCachingInfo& cachingInfo)const
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{
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if (GetCachingInfo() != cachingInfo) {
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KX_BlenderMaterial *tmp = const_cast<KX_BlenderMaterial*>(this);
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if (!cachingInfo)
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tmp->setShaderData( false );
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cachingInfo = GetCachingInfo();
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if (rasty->GetDrawingMode() == RAS_IRasterizer::KX_TEXTURED ) {
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tmp->setShaderData( true );
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rasty->EnableTextures(true);
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}
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else {
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tmp->setShaderData( false );
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rasty->EnableTextures(false);
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}
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if(mMaterial->mode & RAS_IRasterizer::KX_TWOSIDE)
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rasty->SetCullFace(false);
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else
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rasty->SetCullFace(true);
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if (((mMaterial->ras_mode &WIRE)!=0) || mMaterial->mode & RAS_IRasterizer::KX_LINES)
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rasty->SetLines(true);
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else
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rasty->SetLines(false);
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}
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// shaders have access to the variables set here
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// via builtin GLSL variables
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// eg: gl_FrontMaterial.diffuse
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// --
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rasty->SetSpecularity(
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mMaterial->speccolor[0]*mMaterial->spec_f,
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mMaterial->speccolor[1]*mMaterial->spec_f,
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mMaterial->speccolor[2]*mMaterial->spec_f,
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mMaterial->spec_f
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);
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rasty->SetShinyness( mMaterial->hard );
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rasty->SetDiffuse(
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mMaterial->matcolor[0]*mMaterial->ref+mMaterial->emit,
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mMaterial->matcolor[1]*mMaterial->ref+mMaterial->emit,
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mMaterial->matcolor[2]*mMaterial->ref+mMaterial->emit,
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1.0f);
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rasty->SetEmissive(
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mMaterial->matcolor[0]*mMaterial->emit,
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mMaterial->matcolor[1]*mMaterial->emit,
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mMaterial->matcolor[2]*mMaterial->emit,
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1.0
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);
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// Lagan's patch...
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// added material factor
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rasty->SetAmbient(mMaterial->amb);
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if (mMaterial->material)
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rasty->SetPolygonOffset(-mMaterial->material->zoffs, 0.0);
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}
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void
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KX_BlenderMaterial::ActivateMat(
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RAS_IRasterizer* rasty,
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TCachingInfo& cachingInfo
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)const
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{
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if (GetCachingInfo() != cachingInfo) {
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KX_BlenderMaterial *tmp = const_cast<KX_BlenderMaterial*>(this);
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if (!cachingInfo)
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tmp->setTexData( false );
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cachingInfo = GetCachingInfo();
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if (rasty->GetDrawingMode() == RAS_IRasterizer::KX_TEXTURED) {
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tmp->setTexData( true );
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rasty->EnableTextures(true);
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}
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else{
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tmp->setTexData( false );
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rasty->EnableTextures(false);
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}
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if(mMaterial->mode & RAS_IRasterizer::KX_TWOSIDE)
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rasty->SetCullFace(false);
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else
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rasty->SetCullFace(true);
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if (((mMaterial->ras_mode &WIRE)!=0) || mMaterial->mode & RAS_IRasterizer::KX_LINES)
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rasty->SetLines(true);
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else
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rasty->SetLines(false);
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}
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rasty->SetSpecularity(
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mMaterial->speccolor[0]*mMaterial->spec_f,
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mMaterial->speccolor[1]*mMaterial->spec_f,
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mMaterial->speccolor[2]*mMaterial->spec_f,
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mMaterial->spec_f
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);
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rasty->SetShinyness( mMaterial->hard );
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rasty->SetDiffuse(
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mMaterial->matcolor[0]*mMaterial->ref+mMaterial->emit,
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mMaterial->matcolor[1]*mMaterial->ref+mMaterial->emit,
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mMaterial->matcolor[2]*mMaterial->ref+mMaterial->emit,
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1.0f);
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rasty->SetEmissive(
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mMaterial->matcolor[0]*mMaterial->emit,
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mMaterial->matcolor[1]*mMaterial->emit,
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mMaterial->matcolor[2]*mMaterial->emit,
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1.0
|
|
);
|
|
|
|
// Lagan's patch...
|
|
// added material factor
|
|
rasty->SetAmbient(mMaterial->amb);
|
|
|
|
if (mMaterial->material)
|
|
rasty->SetPolygonOffset(-mMaterial->material->zoffs, 0.0);
|
|
}
|
|
|
|
bool
|
|
KX_BlenderMaterial::Activate(
|
|
RAS_IRasterizer* rasty,
|
|
TCachingInfo& cachingInfo
|
|
)const
|
|
{
|
|
bool dopass = false;
|
|
#ifdef GL_ARB_shader_objects
|
|
if( RAS_EXT_support._ARB_shader_objects &&
|
|
( mShader && mShader->Ok() ) ) {
|
|
|
|
if( (mPass++) < mShader->getNumPass() ) {
|
|
ActivatShaders(rasty, cachingInfo);
|
|
dopass = true;
|
|
return dopass;
|
|
}
|
|
else {
|
|
bgl::blUseProgramObjectARB( 0 );
|
|
mPass = 0;
|
|
dopass = false;
|
|
return dopass;
|
|
}
|
|
}
|
|
else {
|
|
#endif//GL_ARB_shader_objects
|
|
switch (mPass++)
|
|
{
|
|
case 0:
|
|
ActivateMat(rasty, cachingInfo);
|
|
dopass = true;
|
|
break;
|
|
default:
|
|
mPass = 0;
|
|
dopass = false;
|
|
break;
|
|
}
|
|
#ifdef GL_ARB_shader_objects
|
|
}
|
|
#endif//GL_ARB_shader_objects
|
|
return dopass;
|
|
}
|
|
|
|
void KX_BlenderMaterial::setTextureEnvironment( int textureIndex )
|
|
{
|
|
#ifndef GL_ARB_texture_env_combine
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
return;
|
|
#else
|
|
if(textureIndex == -1 || !RAS_EXT_support._ARB_texture_env_combine){
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
|
|
return;
|
|
}
|
|
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB );
|
|
|
|
GLfloat blend_operand = GL_SRC_COLOR;
|
|
GLfloat blend_operand_prev = GL_SRC_COLOR;
|
|
|
|
// all sources here are RGB by default
|
|
GLenum combiner = GL_COMBINE_RGB_ARB;
|
|
GLenum source0 = GL_SOURCE0_RGB_ARB;
|
|
GLenum source1 = GL_SOURCE1_RGB_ARB;
|
|
GLenum source2 = GL_SOURCE2_RGB_ARB;
|
|
GLenum op0 = GL_OPERAND0_RGB_ARB;
|
|
GLenum op1 = GL_OPERAND1_RGB_ARB;
|
|
GLenum op2 = GL_OPERAND2_RGB_ARB;
|
|
|
|
// switch to alpha combiners
|
|
if( (mMaterial->flag[textureIndex] &TEXALPHA) ) {
|
|
combiner = GL_COMBINE_ALPHA_ARB;
|
|
source0 = GL_SOURCE0_ALPHA_ARB;
|
|
source1 = GL_SOURCE1_ALPHA_ARB;
|
|
source2 = GL_SOURCE2_ALPHA_ARB;
|
|
op0 = GL_OPERAND0_ALPHA_ARB;
|
|
op1 = GL_OPERAND1_ALPHA_ARB;
|
|
op2 = GL_OPERAND2_ALPHA_ARB;
|
|
blend_operand = GL_SRC_ALPHA;
|
|
blend_operand_prev = GL_SRC_ALPHA;
|
|
|
|
// invert
|
|
if(mMaterial->flag[textureIndex] &TEXNEG) {
|
|
blend_operand_prev = GL_ONE_MINUS_SRC_ALPHA;
|
|
blend_operand = GL_ONE_MINUS_SRC_ALPHA;
|
|
}
|
|
}
|
|
else {
|
|
if(mMaterial->flag[textureIndex] &TEXNEG) {
|
|
blend_operand_prev = GL_ONE_MINUS_SRC_COLOR;
|
|
blend_operand = GL_ONE_MINUS_SRC_COLOR;
|
|
}
|
|
}
|
|
// on Texture0 GL_PREVIOUS_ARB is the primary color
|
|
// on Texture1 GL_PREVIOUS_ARB is Texture0 env
|
|
switch( mMaterial->blend_mode[textureIndex] ) {
|
|
case BLEND_MIX:
|
|
{
|
|
// ------------------------------
|
|
GLfloat base_col[4];
|
|
base_col[0] = base_col[1] = base_col[2] = 0.f;
|
|
base_col[3] = 1.f-mMaterial->color_blend[textureIndex];
|
|
glTexEnvfv( GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR,base_col );
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_INTERPOLATE_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
glTexEnvf( GL_TEXTURE_ENV, source2, GL_CONSTANT_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op2, GL_SRC_ALPHA);
|
|
}break;
|
|
case BLEND_MUL:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_MODULATE);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev);
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
}break;
|
|
case BLEND_ADD:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_ADD_SIGNED_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand );
|
|
}break;
|
|
case BLEND_SUB:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_SUBTRACT_ARB);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
}break;
|
|
case BLEND_SCR:
|
|
{
|
|
// ------------------------------
|
|
glTexEnvf( GL_TEXTURE_ENV, combiner, GL_ADD);
|
|
glTexEnvf( GL_TEXTURE_ENV, source0, GL_PREVIOUS_ARB );
|
|
glTexEnvf( GL_TEXTURE_ENV, op0, blend_operand_prev );
|
|
glTexEnvf( GL_TEXTURE_ENV, source1, GL_TEXTURE );
|
|
glTexEnvf( GL_TEXTURE_ENV, op1, blend_operand);
|
|
} break;
|
|
}
|
|
#endif //!GL_ARB_texture_env_combine
|
|
}
|
|
|
|
bool KX_BlenderMaterial::setBlending( int ind, bool enable)
|
|
{
|
|
if(!enable) {
|
|
if(mMaterial->flag[ind] &CALCALPHA ) return true;
|
|
else if(mMaterial->flag[ind] &USEALPHA ) return true;
|
|
return false;
|
|
}
|
|
else {
|
|
// additive
|
|
if(mMaterial->flag[ind] &CALCALPHA ) {
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE);
|
|
return true;
|
|
}
|
|
|
|
// use alpha channel
|
|
else if(mMaterial->flag[ind] &USEALPHA ) {
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool KX_BlenderMaterial::setDefaultBlending()
|
|
{
|
|
if( mMaterial->transp &TF_ADD) {
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_ONE, GL_ONE);
|
|
return true;
|
|
}
|
|
|
|
if( mMaterial->transp & TF_ALPHA ) {
|
|
glEnable(GL_BLEND);
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
return true;
|
|
}
|
|
|
|
glDisable(GL_BLEND);
|
|
return false;
|
|
}
|
|
|
|
void KX_BlenderMaterial::setEnvMap(bool val, bool cube)
|
|
{
|
|
#ifdef GL_ARB_texture_cube_map
|
|
if( cube && RAS_EXT_support._ARB_texture_cube_map )
|
|
{
|
|
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB );
|
|
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB);
|
|
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_ARB);
|
|
|
|
glEnable(GL_TEXTURE_GEN_S);
|
|
glEnable(GL_TEXTURE_GEN_T);
|
|
glEnable(GL_TEXTURE_GEN_R);
|
|
}
|
|
else {
|
|
#endif//GL_ARB_texture_cube_map
|
|
if( val ) {
|
|
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP );
|
|
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
|
|
|
|
glEnable(GL_TEXTURE_GEN_S);
|
|
glEnable(GL_TEXTURE_GEN_T);
|
|
glEnable(GL_TEXTURE_GEN_R);
|
|
}
|
|
else {
|
|
glDisable(GL_TEXTURE_GEN_S);
|
|
glDisable(GL_TEXTURE_GEN_T);
|
|
glDisable(GL_TEXTURE_GEN_R);
|
|
}
|
|
#ifdef GL_ARB_texture_cube_map
|
|
}
|
|
#endif//GL_ARB_texture_cube_map
|
|
}
|
|
|
|
|
|
void KX_BlenderMaterial::setTexMatrixData(int i)
|
|
{
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
|
|
glScalef(
|
|
mMaterial->mapping[i].scale[0],
|
|
mMaterial->mapping[i].scale[1],
|
|
mMaterial->mapping[i].scale[2]
|
|
);
|
|
glTranslatef(
|
|
mMaterial->mapping[i].offsets[0],
|
|
mMaterial->mapping[i].offsets[1],
|
|
mMaterial->mapping[i].offsets[2]
|
|
);
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
}
|
|
|
|
static void GetProjPlane(BL_Material *mat, int index,int num, float*param)
|
|
{
|
|
param[0]=param[1]=param[2]=param[3]=0.f;
|
|
if( mat->mapping[index].projplane[num] == PROJX )
|
|
param[0] = 1.f;
|
|
else if( mat->mapping[index].projplane[num] == PROJY )
|
|
param[1] = 1.f;
|
|
else if( mat->mapping[index].projplane[num] == PROJZ)
|
|
param[2] = 1.f;
|
|
}
|
|
|
|
|
|
void KX_BlenderMaterial::setObjectMatrixData(int i)
|
|
{
|
|
// will work without cubemaps
|
|
// but a cubemap will look the best
|
|
KX_GameObject *obj =
|
|
(KX_GameObject*)
|
|
mScene->GetObjectList()->FindValue(mMaterial->mapping[i].objconame);
|
|
|
|
if(!obj)
|
|
return;
|
|
|
|
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR );
|
|
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR );
|
|
glTexGeni(GL_R, GL_TEXTURE_GEN_MODE, GL_EYE_LINEAR );
|
|
|
|
GLenum plane = GL_EYE_PLANE;
|
|
|
|
// figure plane gen
|
|
float proj[4]= {0.f,0.f,0.f,0.f};
|
|
GetProjPlane(mMaterial, i, 0, proj);
|
|
glTexGenfv(GL_S, plane, proj);
|
|
|
|
GetProjPlane(mMaterial, i, 1, proj);
|
|
glTexGenfv(GL_T, plane, proj);
|
|
|
|
GetProjPlane(mMaterial, i, 2, proj);
|
|
glTexGenfv(GL_R, plane, proj);
|
|
|
|
glEnable(GL_TEXTURE_GEN_S);
|
|
glEnable(GL_TEXTURE_GEN_T);
|
|
glEnable(GL_TEXTURE_GEN_R);
|
|
|
|
float matr[16];
|
|
glGetFloatv(GL_MODELVIEW_MATRIX, matr);
|
|
MT_Matrix4x4 mvmat(matr);
|
|
|
|
glMatrixMode(GL_TEXTURE);
|
|
glLoadIdentity();
|
|
glScalef(
|
|
mMaterial->mapping[i].scale[0],
|
|
mMaterial->mapping[i].scale[1],
|
|
mMaterial->mapping[i].scale[2]
|
|
);
|
|
|
|
MT_Point3 pos = obj->NodeGetWorldPosition();
|
|
MT_Vector4 matmul = MT_Vector4(pos[0], pos[1], pos[2], 1.f);
|
|
MT_Vector4 t = mvmat*matmul;
|
|
|
|
glTranslatef( (float)(-t[0]), (float)(-t[1]), (float)(-t[2]) );
|
|
|
|
glMatrixMode(GL_MODELVIEW);
|
|
|
|
}
|
|
|
|
|
|
// ------------------------------------
|
|
void KX_BlenderMaterial::UpdateIPO(
|
|
MT_Vector4 rgba,
|
|
MT_Vector3 specrgb,
|
|
MT_Scalar hard,
|
|
MT_Scalar spec,
|
|
MT_Scalar ref,
|
|
MT_Scalar emit,
|
|
MT_Scalar alpha
|
|
)
|
|
{
|
|
// only works one deep now
|
|
mMaterial->speccolor[0] = (float)(specrgb)[0];
|
|
mMaterial->speccolor[1] = (float)(specrgb)[1];
|
|
mMaterial->speccolor[2] = (float)(specrgb)[2];
|
|
mMaterial->matcolor[0] = (float)(rgba[0]);
|
|
mMaterial->matcolor[1] = (float)(rgba[1]);
|
|
mMaterial->matcolor[2] = (float)(rgba[2]);
|
|
mMaterial->alpha = (float)(alpha);
|
|
mMaterial->hard = (float)(hard);
|
|
mMaterial->emit = (float)(emit);
|
|
mMaterial->spec_f = (float)(spec);
|
|
}
|
|
|
|
|
|
PyMethodDef KX_BlenderMaterial::Methods[] =
|
|
{
|
|
KX_PYMETHODTABLE( KX_BlenderMaterial, getShader ),
|
|
KX_PYMETHODTABLE( KX_BlenderMaterial, getMaterialIndex ),
|
|
// KX_PYMETHODTABLE( KX_BlenderMaterial, getTexture ),
|
|
// KX_PYMETHODTABLE( KX_BlenderMaterial, setTexture ),
|
|
|
|
{NULL,NULL} //Sentinel
|
|
};
|
|
|
|
|
|
PyTypeObject KX_BlenderMaterial::Type = {
|
|
PyObject_HEAD_INIT(&PyType_Type)
|
|
0,
|
|
"KX_BlenderMaterial",
|
|
sizeof(KX_BlenderMaterial),
|
|
0,
|
|
PyDestructor,
|
|
0,
|
|
__getattr,
|
|
__setattr,
|
|
0,
|
|
__repr,
|
|
0
|
|
};
|
|
|
|
|
|
PyParentObject KX_BlenderMaterial::Parents[] = {
|
|
&PyObjectPlus::Type,
|
|
&KX_BlenderMaterial::Type,
|
|
NULL
|
|
};
|
|
|
|
|
|
PyObject* KX_BlenderMaterial::_getattr(const STR_String& attr)
|
|
{
|
|
// nodda ?
|
|
_getattr_up(PyObjectPlus);
|
|
}
|
|
|
|
int KX_BlenderMaterial::_setattr(const STR_String& attr, PyObject *pyvalue)
|
|
{
|
|
return PyObjectPlus::_setattr(attr, pyvalue);
|
|
}
|
|
|
|
KX_PYMETHODDEF_DOC( KX_BlenderMaterial, getShader , "getShader()")
|
|
{
|
|
#ifdef GL_ARB_shader_objects
|
|
if(!RAS_EXT_support._ARB_shader_objects) {
|
|
PyErr_Format(PyExc_SystemError, "GLSL not supported");
|
|
return NULL;
|
|
}
|
|
else {
|
|
Py_INCREF(mShader);
|
|
return mShader;
|
|
}
|
|
#else
|
|
Py_Return;
|
|
#endif//GL_ARB_shader_objects
|
|
}
|
|
|
|
KX_PYMETHODDEF_DOC( KX_BlenderMaterial, getMaterialIndex, "getMaterialIndex()")
|
|
{
|
|
return PyInt_FromLong( mMaterial->material_index );
|
|
}
|
|
|
|
KX_PYMETHODDEF_DOC( KX_BlenderMaterial, getTexture, "getTexture( index )" )
|
|
{
|
|
// TODO: enable python switching
|
|
return NULL;
|
|
}
|
|
|
|
KX_PYMETHODDEF_DOC( KX_BlenderMaterial, setTexture , "setTexture( index, tex)")
|
|
{
|
|
// TODO: enable python switching
|
|
return NULL;
|
|
}
|
|
|