// This software is provide under the GNU General Public License
// Please visit: http://opensource.org/licenses/GPL-3.0
//#############################################################################
#include <stdafx.h> // precompiled headers
#ifdef SL_MEMLEAKDETECT
#include <nvwa/debug_new.h> // memory leak detector
#endif
#include "SLMaterial.h"
#include "SLSceneView.h"
#include "SLShape.h"
//-----------------------------------------------------------------------------
SLMaterial SLMaterial::AIR = SLMaterial((SLchar*)"Air",
SLCol4f(0,0,0), SLCol4f(0,0,0));
//-----------------------------------------------------------------------------
SLfloat SLMaterial::PERFECT = 1000.0f;
//-----------------------------------------------------------------------------
SLMaterial* SLMaterial::current = 0;
//-----------------------------------------------------------------------------
// Default ctor
SLMaterial::SLMaterial(const SLchar* name,
SLCol4f amdi,
SLCol4f spec,
SLfloat shininess,
SLfloat kr,
SLfloat kt,
SLfloat kn) : SLObject(name)
{ _ambient = _diffuse = amdi;
_specular = spec;
/*!
SLButton::buildBuffers creates the VAO for rendering
*/
void SLButton::buildBuffers()
{
SLVVec2f P; // vertex positions
SLVCol4f C; // colors
SLfloat x = _minX;
SLfloat y = _minY;
SLfloat w = _btnW;
SLfloat h = _btnH;
SLfloat mx = x + 2*_sv->dpmm()*BTN_GAP_W_MM; // center x of check mark
SLfloat my = y + h*0.5f; // center y of check mark
SLfloat diff1 = 0.3f; // button color difference upper to lower border
SLfloat diff2 = 0.6f; // border color difference upper to lower border
SLint nP = 0;
SLint nC = 0;
// up button
P.push_back(SLVec2f(x, y+h)); // button top left corner
P.push_back(SLVec2f(x, y )); // button bottom left corner
P.push_back(SLVec2f(x+w, y+h)); // button top right corner
P.push_back(SLVec2f(x+w, y )); // button bottom right corner
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r-diff1, _btnCol.g-diff1, _btnCol.b-diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r-diff1, _btnCol.g-diff1, _btnCol.b-diff1, _btnAlpha));
// down button
P.push_back(SLVec2f(x, y+h)); // button top left corner
P.push_back(SLVec2f(x, y )); // button bottom left corner
P.push_back(SLVec2f(x+w, y+h)); // button top right corner
P.push_back(SLVec2f(x+w, y )); // button bottom right corner
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
// pressed button
P.push_back(SLVec2f(x, y+h)); // button top left corner
P.push_back(SLVec2f(x, y )); // button bottom left corner
P.push_back(SLVec2f(x+w, y+h)); // button top right corner
P.push_back(SLVec2f(x+w, y )); // button bottom right corner
C.push_back(SLCol4f(_btnCol.r-diff1, _btnCol.g-diff1, _btnCol.b-diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r-diff1, _btnCol.g-diff1, _btnCol.b-diff1, _btnAlpha));
C.push_back(SLCol4f(_btnCol.r+diff1, _btnCol.g+diff1, _btnCol.b+diff1, _btnAlpha));
// down border
P.push_back(SLVec2f(x, y )); // button bottom left corner
P.push_back(SLVec2f(x+w, y )); // button bottom right corner
P.push_back(SLVec2f(x+w, y+h)); // button top right corner
P.push_back(SLVec2f(x, y+h)); // button top left corner
C.push_back(SLCol4f(_btnCol.r+diff2, _btnCol.g+diff2, _btnCol.b+diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r+diff2, _btnCol.g+diff2, _btnCol.b+diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
// up border
P.push_back(SLVec2f(x, y )); // button bottom left corner
P.push_back(SLVec2f(x+w, y )); // button bottom right corner
P.push_back(SLVec2f(x+w, y+h)); // button top right corner
P.push_back(SLVec2f(x, y+h)); // button top left corner
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r+diff2, _btnCol.g+diff2, _btnCol.b+diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r+diff2, _btnCol.g+diff2, _btnCol.b+diff2, 1.0f));
// White check box
P.push_back(SLVec2f(mx-5, my-5)); // 1st point of check box rect
P.push_back(SLVec2f(mx+5, my-5)); // 2nd point of check box rect
P.push_back(SLVec2f(mx+5, my+5)); // 3rd point of check box rect
P.push_back(SLVec2f(mx-5, my+5)); // 4th point of check box rect
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
C.push_back(SLCol4f(_btnCol.r-diff2, _btnCol.g-diff2, _btnCol.b-diff2, 1.0f));
// White check mark
P.push_back(SLVec2f(mx-4, my+4)); // 1st point of check mark
P.push_back(SLVec2f(mx+4, my-4)); // 2nd point of check mark
P.push_back(SLVec2f(mx-4, my-4)); // 3rd point of check mark
P.push_back(SLVec2f(mx+4, my+4)); // 4th point of check mark
C.push_back(SLCol4f(1,1,1,0.8f));
C.push_back(SLCol4f(1,1,1,0.8f));
C.push_back(SLCol4f(1,1,1,0.8f));
C.push_back(SLCol4f(1,1,1,0.8f));
// create buffers on GPU
SLGLProgram* sp = SLScene::current->programs(SP_colorAttribute);
sp->useProgram();
_vao.setAttrib(AT_position, sp->getAttribLocation("a_position"), &P);
_vao.setAttrib(AT_color, sp->getAttribLocation("a_color"), &C);
_vao.generate((SLuint)P.size());
}
/*!
SLAssimpImporter::loadMaterial loads the AssImp material an returns the SLMaterial.
The materials and textures are added to the SLScene material and texture
vectors.
*/
SLMaterial* SLAssimpImporter::loadMaterial(SLint index,
aiMaterial *material,
SLstring modelPath)
{
// Get the materials name
aiString matName;
material->Get(AI_MATKEY_NAME, matName);
SLstring name = matName.data;
if (name.empty()) name = "Import Material";
// Create SLMaterial instance. It is also added to the SLScene::_materials vector
SLMaterial* mat = new SLMaterial(name.c_str());
// set the texture types to import into our material
const SLint textureCount = 4;
aiTextureType textureTypes[textureCount];
textureTypes[0] = aiTextureType_DIFFUSE;
textureTypes[1] = aiTextureType_NORMALS;
textureTypes[2] = aiTextureType_SPECULAR;
textureTypes[3] = aiTextureType_HEIGHT;
// load all the textures for this material and add it to the material vector
for(SLint i = 0; i < textureCount; ++i)
{ if(material->GetTextureCount(textureTypes[i]) > 0)
{ aiString aipath;
material->GetTexture(textureTypes[i], 0, &aipath, nullptr, nullptr, nullptr, nullptr, nullptr);
SLTextureType texType = textureTypes[i]==aiTextureType_DIFFUSE ? TT_color :
textureTypes[i]==aiTextureType_NORMALS ? TT_normal :
textureTypes[i]==aiTextureType_SPECULAR ? TT_gloss :
textureTypes[i]==aiTextureType_HEIGHT ? TT_height :
TT_unknown;
SLstring texFile = checkFilePath(modelPath, aipath.data);
SLGLTexture* tex = loadTexture(texFile, texType);
mat->textures().push_back(tex);
}
}
// get color data
aiColor3D ambient, diffuse, specular, emissive;
SLfloat shininess, refracti, reflectivity, opacity;
material->Get(AI_MATKEY_COLOR_AMBIENT, ambient);
material->Get(AI_MATKEY_COLOR_DIFFUSE, diffuse);
material->Get(AI_MATKEY_COLOR_SPECULAR, specular);
material->Get(AI_MATKEY_COLOR_EMISSIVE, emissive);
material->Get(AI_MATKEY_SHININESS, shininess);
material->Get(AI_MATKEY_REFRACTI, refracti);
material->Get(AI_MATKEY_REFLECTIVITY, reflectivity);
material->Get(AI_MATKEY_OPACITY, opacity);
// increase shininess if specular color is not low.
// The material will otherwise be to bright
if (specular.r > 0.5f &&
specular.g > 0.5f &&
specular.b > 0.5f &&
shininess < 0.01f)
shininess = 10.0f;
// set color data
mat->ambient(SLCol4f(ambient.r, ambient.g, ambient.b));
mat->diffuse(SLCol4f(diffuse.r, diffuse.g, diffuse.b));
mat->specular(SLCol4f(specular.r, specular.g, specular.b));
mat->emission(SLCol4f(emissive.r, emissive.g, emissive.b));
mat->shininess(shininess);
//mat->kr(reflectivity);
//mat->kt(1.0f-opacity);
//mat->kn(refracti);
return mat;
}
