Mesh* HUDImageRenderer::createMesh(const G3MRenderContext* rc) {
_creatingMesh = false;
if (_mesh != NULL) {
delete _mesh;
_mesh = NULL;
}
const IStringUtils* su = IStringUtils::instance();
const std::string textureName = "HUDImageRenderer" + su->toString(_instanceID) + "/" + su->toString(_changeCounter++);
const TextureIDReference* texId = rc->getTexturesHandler()->getTextureIDReference(_image,
GLFormat::rgba(),
textureName,
false);
delete _image;
_image = NULL;
if (texId == NULL) {
rc->getLogger()->logError("Can't upload texture to GPU");
return NULL;
}
const Camera* camera = rc->getCurrentCamera();
const double halfWidth = camera->getWidth() / 2.0;
const double halfHeight = camera->getHeight() / 2.0;
FloatBufferBuilderFromCartesian3D vertices = FloatBufferBuilderFromCartesian3D::builderWithoutCenter();
vertices.add(-halfWidth, halfHeight, 0);
vertices.add(-halfWidth, -halfHeight, 0);
vertices.add( halfWidth, halfHeight, 0);
vertices.add( halfWidth, -halfHeight, 0);
DirectMesh* mesh = new DirectMesh(GLPrimitive::triangleStrip(),
true,
vertices.getCenter(),
vertices.create(),
1,
1);
FloatBufferBuilderFromCartesian2D texCoords;
texCoords.add(0, 0);
texCoords.add(0, 1);
texCoords.add(1, 0);
texCoords.add(1, 1);
TextureMapping* textureMapping = new SimpleTextureMapping(texId,
texCoords.create(),
true,
true);
return new TexturedMesh(mesh, true,
textureMapping, true,
true);
}
Mesh* HUDRenderer::ShownImage::createMesh(const G3MRenderContext* rc) const {
//TEXTURED
#ifdef C_CODE
const TextureIDReference* texId = NULL;
#endif
#ifdef JAVA_CODE
TextureIDReference texId = null;
#endif
_factory = rc->getFactory();
texId = rc->getTexturesHandler()->getTextureIDReference(_image,
GLFormat::rgba(),
_name,
false);
if (texId == NULL) {
rc->getLogger()->logError("Can't upload texture to GPU");
return NULL;
}
const int viewportWidth = rc->getCurrentCamera()->getWidth();
const int viewportHeight = rc->getCurrentCamera()->getHeight();
const Vector3D halfViewportAndPosition(viewportWidth / 2 - _position._x,
viewportHeight / 2 - _position._y,
0);
const double w = _size._x;
const double h = _size._y;
FloatBufferBuilderFromCartesian3D vertices = FloatBufferBuilderFromCartesian3D::builderWithoutCenter();
vertices.add(Vector3D(0, h, 0).sub(halfViewportAndPosition));
vertices.add(Vector3D(0, 0, 0).sub(halfViewportAndPosition));
vertices.add(Vector3D(w, h, 0).sub(halfViewportAndPosition));
vertices.add(Vector3D(w, 0, 0).sub(halfViewportAndPosition));
FloatBufferBuilderFromCartesian2D texCoords;
texCoords.add(0, 0);
texCoords.add(0, 1);
texCoords.add(1, 0);
texCoords.add(1, 1);
DirectMesh *im = new DirectMesh(GLPrimitive::triangleStrip(),
true,
vertices.getCenter(),
vertices.create(),
1,
1);
TextureMapping* texMap = new SimpleTextureMapping(texId,
texCoords.create(),
true,
false);
return new TexturedMesh(im, true, texMap, true, true);
}
bool BusyQuadRenderer::initMesh(const G3MRenderContext* rc) {
//TEXTURED
#ifdef C_CODE
const IGLTextureId* texId = NULL;
#endif
#ifdef JAVA_CODE
IGLTextureId texId = null;
#endif
// IImage* image = rc->getFactory()->createImageFromFileName(_textureFilename);
texId = rc->getTexturesHandler()->getGLTextureId(_image,
GLFormat::rgba(),
"BusyQuadRenderer-Texture",
false);
rc->getFactory()->deleteImage(_image);
_image = NULL;
if (texId == NULL) {
rc->getLogger()->logError("Can't upload texture to GPU");
return false;
}
const double halfWidth = _size._x / 2;
const double hadfHeight = _size._y / 2;
FloatBufferBuilderFromCartesian3D vertices(CenterStrategy::noCenter(), Vector3D::zero());
vertices.add(-halfWidth, +hadfHeight, 0);
vertices.add(-halfWidth, -hadfHeight, 0);
vertices.add(+halfWidth, +hadfHeight, 0);
vertices.add(+halfWidth, -hadfHeight, 0);
FloatBufferBuilderFromCartesian2D texCoords;
texCoords.add(0, 0);
texCoords.add(0, 1);
texCoords.add(1, 0);
texCoords.add(1, 1);
DirectMesh *im = new DirectMesh(GLPrimitive::triangleStrip(),
true,
vertices.getCenter(),
vertices.create(),
1,
1);
TextureMapping* texMap = new SimpleTextureMapping(texId,
texCoords.create(),
true,
false);
_quadMesh = new TexturedMesh(im, true, texMap, true, true);
return true;
}
IFloatBuffer* GL::getBillboardTexCoord() {
// if (_verbose) {
// ILogger::instance()->logInfo("GL::getBillboardTexCoord()");
// }
if (_billboardTexCoord == NULL) {
FloatBufferBuilderFromCartesian2D texCoor;
texCoor.add(1,1);
texCoor.add(1,0);
texCoor.add(0,1);
texCoor.add(0,0);
_billboardTexCoord = texCoor.create();
}
return _billboardTexCoord;
}
