void FrameBuffer::automaticallyGenerateMipmaps(int attachment)
{
assert(m_automaticMipmapsEnabled);
GLenum type = textureType(attachment);
glBindTexture(type, textureID(attachment));
glGenerateMipmapEXT(type);
glBindTexture(type, 0);
}
void
FrameBuffer::blitFramebuffer(int attachment)
{
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, textureID(attachment));
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
glBlitFramebuffer(0, 0, m_width, m_height, 0, 0, m_width, m_height,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0);
glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0);
}
void
FrameBuffer::displayAsFullScreenTexture(int attachment, float lod)
{
int minFilter, magFilter;
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0,1,0,1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glDisable(GL_LIGHTING);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureID(attachment));
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (GLint*)&minFilter);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (GLint*)&magFilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, lod > 0 ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, lod > 0 ? GL_LINEAR : GL_LINEAR);
if (lod > 0)
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, lod);
glEnable(GL_TEXTURE_2D);
glColor3f(1, 1, 1);
glBegin(GL_QUADS);
{
glTexCoord2f(0,0); glVertex2f(0,0);
glTexCoord2f(1,0); glVertex2f(1,0);
glTexCoord2f(1,1); glVertex2f(1,1);
glTexCoord2f(0,1); glVertex2f(0,1);
}
glEnd();
if (lod > 0)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, minFilter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, magFilter);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glPopAttrib();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
void
FrameBuffer::displayAlphaAsFullScreenTexture(int attachment, float lod)
{
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
gluOrtho2D(0,1,0,1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ALL_ATTRIB_BITS);
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glBlendFunc(GL_ZERO, GL_SRC_ALPHA);
glClearColor(1, 1, 1, 0);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0, 0, 0, 1);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureID(attachment));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, lod > 0 ? GL_NEAREST_MIPMAP_NEAREST : GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, lod > 0 ? GL_NEAREST_MIPMAP_NEAREST : GL_LINEAR);
if (lod > 0) glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, lod);
glEnable(GL_TEXTURE_2D);
glColor3f(1, 1, 1);
glBegin(GL_QUADS);
glTexCoord2f(0,0); glVertex2f(0,0);
glTexCoord2f(1,0); glVertex2f(1,0);
glTexCoord2f(1,1); glVertex2f(1,1);
glTexCoord2f(0,1); glVertex2f(0,1);
glEnd();
if (lod > 0) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glPopAttrib();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
}
//For extracting objects from object layers
void LevelParser::parseObjectLayer
(TiXmlElement *pObjectElement, vector<ILayer *> *pLayers,
string layerType, Level* pLevel ,PlayState* newState){
//Create an object layer
ObjectLayer* pObjectLayer = new ObjectLayer();
pObjectLayer->setType(layerType);
cout << "Created new " << pObjectLayer->getType() << " layer\n";
//cout << "Current Value: ";
//cout << pObjectElement->FirstChildElement()->Value() << "\n";
for (TiXmlElement* e = pObjectElement->FirstChildElement();
e != NULL; e = e->NextSiblingElement()){
cout << "Checking " << e->Value() << "\n";
if (e->Value() == string("object")){
int x(0), y(0), width(0), height(0), numFrames(1), callbackID(0), animSpeed(1);
SDL_Color color;
SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
string textureID(""),name(""),lockTo(""),scrollLock(""),ai("");
//Get initial values
e->Attribute("x", &x);
e->Attribute("y", &y);
//cout << "Y: " << x << "\nY: " << y << "\n";
name = e->Attribute("name");
int GID = 0;
e->Attribute("gid",&GID);
//Check if object exists in element library
IGameObject* pGameObject;
if ((*newState->getElements())[name]){
GameObjectParams* elementParams = (*newState->getElements())[name];
cout << "Loaded from library: " << elementParams->getName() << "\n";
pGameObject = GameObjectFactory::Instance()->create(elementParams->getType());
} else {
cout << "Object \"" << e->Attribute("name") << "\" not found in library!\n";
pGameObject = GameObjectFactory::Instance()->create(e->Attribute("type"));
}
//Prep game object params
pGameObject->load
(*new GameObjectParams
(name, (x), (y-height),width, height, textureID,callbackID,animSpeed));
//Load default params per element library
if ((*newState->getElements())[name]){
pGameObject->GetParams() = *(*newState->getElements())[name];
}
pGameObject->GetParams().getPosition().setX(x);
pGameObject->GetParams().getPosition().setY(y);
//Overload properties based on unique object params IN TILED
for (TiXmlElement* properties = e->FirstChildElement();
properties != NULL; properties = properties->NextSiblingElement()){
if (properties->Value() == string("properties")){
for (TiXmlElement* property = properties->FirstChildElement();
property!=NULL; property = property->NextSiblingElement()){
if (property->Value() == string("property")){
if (property->Attribute("name") == string("numFrames")){
property->Attribute("value",&numFrames);
pGameObject->GetParams().setMaxFrames(numFrames);
cout << "Set frames to " << numFrames << "\n";
} else if (property->Attribute("name") == string("lockTo")){
lockTo = property->Attribute("value");
pGameObject->GetParams().setLockTo(lockTo);
} else if (property->Attribute("name") == string("ai")){
ai = property->Attribute("value");
cout << "checking ai flag\n";
if (ai == string("true")){
pGameObject->GetParams().setAI(true);
} else {
pGameObject->GetParams().setAI(false);
}
} else if (property->Attribute("name") == string("textureHeight")){
property->Attribute("value",&height);
pGameObject->GetParams().setHeight(height);
} else if (property->Attribute("name") == string("scrollLock")){
scrollLock = property->Attribute("value");
pGameObject->GetParams().setScrolling(scrollLock != string("true"));
} else if (property->Attribute("name") == string("textureWidth")){
property->Attribute("value",&width);
pGameObject->GetParams().setWidth(width);
} else if (property->Attribute("name") == string("animSpeed")){
property->Attribute("value",&animSpeed);
pGameObject->GetParams().setAnimSpeed(animSpeed);
} else if (property->Attribute("name") == string("callbackID")){
property->Attribute("value",&callbackID);
pGameObject->GetParams().setCallBackID(callbackID);
} else if (property->Attribute("name") == string("textureID")){
textureID = property->Attribute("value");
pGameObject->GetParams().setTextureID(textureID);
} else if (property->Attribute("name") == string("blendMode")){
if (property->Attribute("value") == string("add")){
blendMode = SDL_BLENDMODE_ADD;
} else if (property->Attribute("value") == string("blend")){
blendMode = SDL_BLENDMODE_BLEND;
} else if (property->Attribute("value") == string("mod")){
blendMode = SDL_BLENDMODE_MOD;
}
pGameObject->GetParams().setBlendMode(blendMode);
} else if (property->Attribute("name") == string("alpha")){
int temp;
property->Attribute("value",&temp);
color.a = temp;
} else if (property->Attribute("name") == string("red")){
int temp;
property->Attribute("value",&temp);
color.r = temp;
} else if (property->Attribute("name") == string("green")){
int temp;
property->Attribute("value",&temp);
color.g = temp;
} else if (property->Attribute("name") == string("blue")){
int temp;
property->Attribute("value",&temp);
color.b = temp;
}
pGameObject->GetParams().setColor(color);
}
}
}
}
//If object is player set game player pointer accordingly
if (pObjectLayer->getType() == string("player")){
cout << "Adding player to object spot "
<< pObjectLayer->getGameObjects()->size() << "\n";
if (Game::Instance()->isLiveModeOn()){
pGameObject = 0;
} else {
pLevel->setPlayer(dynamic_cast<Player*>(pGameObject));
Game::Instance()->setPlayer(dynamic_cast<Player*>(pGameObject));
}
}
if (pGameObject){
if(pGameObject->GetParams().getType() == string("Light")){
pGameObject->GetParams().getPosition().setX
(pGameObject->GetParams().getPosition().getX() - pGameObject->GetParams().getWidth()/2);
pGameObject->GetParams().getPosition().setY
(pGameObject->GetParams().getPosition().getY() - pGameObject->GetParams().getHeight()/2);
}
}
if (pGameObject){
pObjectLayer->getGameObjects()->push_back(pGameObject);
cout << "Created new " << pGameObject->GetParams().getType() << "\n";
}
}
}
pLayers->push_back(pObjectLayer);
}
