void GuiViewport3D::onDraw(sf::RenderTarget& window)
{
#if FEATURE_3D_RENDERING
if (my_spaceship)
soundManager->setListenerPosition(my_spaceship->getPosition(), my_spaceship->getRotation());
else
soundManager->setListenerPosition(sf::Vector2f(camera_position.x, camera_position.y), camera_yaw);
window.popGLStates();
ShaderManager::getShader("billboardShader")->setUniform("camera_position", camera_position);
float camera_fov = 60.0f;
float sx = window.getSize().x * window.getView().getViewport().width / window.getView().getSize().x;
float sy = window.getSize().y * window.getView().getViewport().height / window.getView().getSize().y;
glViewport(rect.left * sx, (float(window.getView().getSize().y) - rect.height - rect.top) * sx, rect.width * sx, rect.height * sy);
glClearDepth(1.f);
glClear(GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
glDepthMask(GL_TRUE);
glEnable(GL_CULL_FACE);
glColor4f(1,1,1,1);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
_glPerspective(camera_fov, rect.width/rect.height, 1.f, 25000.f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(90, 1, 0, 0);
glScalef(1,1,-1);
glRotatef(-camera_pitch, 1, 0, 0);
glRotatef(-camera_yaw - 90, 0, 0, 1);
glGetDoublev(GL_PROJECTION_MATRIX, projection_matrix);
glGetDoublev(GL_MODELVIEW_MATRIX, model_matrix);
glGetDoublev(GL_VIEWPORT, viewport);
glDepthMask(false);
sf::Texture::bind(textureManager.getTexture("StarsBack"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, 0.0); glVertex3f( 100, 100, 100);
glTexCoord2f(0.0, 1.0); glVertex3f( 100, 100,-100);
glTexCoord2f(1.0, 0.0); glVertex3f(-100, 100, 100);
glTexCoord2f(1.0, 1.0); glVertex3f(-100, 100,-100);
glEnd();
sf::Texture::bind(textureManager.getTexture("StarsLeft"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, 0.0); glVertex3f(-100, 100, 100);
glTexCoord2f(0.0, 1.0); glVertex3f(-100, 100,-100);
glTexCoord2f(1.0, 0.0); glVertex3f(-100,-100, 100);
glTexCoord2f(1.0, 1.0); glVertex3f(-100,-100,-100);
glEnd();
sf::Texture::bind(textureManager.getTexture("StarsFront"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, 0.0); glVertex3f(-100,-100, 100);
glTexCoord2f(0.0, 1.0); glVertex3f(-100,-100,-100);
glTexCoord2f(1.0, 0.0); glVertex3f( 100,-100, 100);
glTexCoord2f(1.0, 1.0); glVertex3f( 100,-100,-100);
glEnd();
sf::Texture::bind(textureManager.getTexture("StarsRight"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, 0.0); glVertex3f( 100,-100, 100);
glTexCoord2f(0.0, 1.0); glVertex3f( 100,-100,-100);
glTexCoord2f(1.0, 0.0); glVertex3f( 100, 100, 100);
glTexCoord2f(1.0, 1.0); glVertex3f( 100, 100,-100);
glEnd();
sf::Texture::bind(textureManager.getTexture("StarsTop"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(0.0, 0.0); glVertex3f(-100, 100, 100);
glTexCoord2f(0.0, 1.0); glVertex3f(-100,-100, 100);
glTexCoord2f(1.0, 0.0); glVertex3f( 100, 100, 100);
glTexCoord2f(1.0, 1.0); glVertex3f( 100,-100, 100);
glEnd();
sf::Texture::bind(textureManager.getTexture("StarsBottom"), sf::Texture::Normalized);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1.0, 0.0); glVertex3f( 100,-100,-100);
glTexCoord2f(0.0, 0.0); glVertex3f(-100,-100,-100);
glTexCoord2f(1.0, 1.0); glVertex3f( 100, 100,-100);
glTexCoord2f(0.0, 1.0); glVertex3f(-100, 100,-100);
glEnd();
if (gameGlobalInfo)
{
//Render the background nebulas from the gameGlobalInfo. This ensures that all screens see the same background as it is replicated across clients.
for(int n=0; n<GameGlobalInfo::max_nebulas; n++)
{
sf::Texture::bind(textureManager.getTexture(gameGlobalInfo->nebula_info[n].textureName), sf::Texture::Pixels);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glPushMatrix();
glRotatef(180, gameGlobalInfo->nebula_info[n].vector.x, gameGlobalInfo->nebula_info[n].vector.y, gameGlobalInfo->nebula_info[n].vector.z);
glColor4f(1,1,1,0.1);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1.0, 0); glVertex3f( 100, 100, 100);
glTexCoord2f( 0, 0); glVertex3f( 100, 100,-100);
glTexCoord2f(1.0, 1.0); glVertex3f(-100, 100, 100);
glTexCoord2f( 0, 1.0); glVertex3f(-100, 100,-100);
glEnd();
glPopMatrix();
}
}
{
float lightpos1[4] = {0, 0, 0, 1.0};
glLightfv(GL_LIGHT1, GL_POSITION, lightpos1);
float lightpos0[4] = {20000, 20000, 20000, 1.0};
glLightfv(GL_LIGHT0, GL_POSITION, lightpos0);
}
class RenderInfo
{
public:
RenderInfo(SpaceObject* obj, float d)
: object(obj), depth(d)
{}
SpaceObject* object;
float depth;
};
std::vector<std::vector<RenderInfo>> render_lists;
sf::Vector2f viewVector = sf::vector2FromAngle(camera_yaw);
float depth_cutoff_back = camera_position.z * -tanf((90+camera_pitch + camera_fov/2.0) / 180.0f * M_PI);
float depth_cutoff_front = camera_position.z * -tanf((90+camera_pitch - camera_fov/2.0) / 180.0f * M_PI);
if (camera_pitch - camera_fov/2.0 <= 0.0)
depth_cutoff_front = std::numeric_limits<float>::infinity();
if (camera_pitch + camera_fov/2.0 >= 180.0)
depth_cutoff_back = -std::numeric_limits<float>::infinity();
foreach(SpaceObject, obj, space_object_list)
{
float depth = sf::dot(viewVector, obj->getPosition() - sf::Vector2f(camera_position.x, camera_position.y));
if (depth + obj->getRadius() < depth_cutoff_back)
continue;
if (depth - obj->getRadius() > depth_cutoff_front)
continue;
if (depth > 0 && obj->getRadius() / depth < 1.0 / 500)
continue;
int render_list_index = std::max(0, int((depth + obj->getRadius()) / 25000));
while(render_list_index >= int(render_lists.size()))
render_lists.emplace_back();
render_lists[render_list_index].emplace_back(*obj, depth);
}
void renderSpace(sf::RenderTarget& window, sf::Vector3f cameraPosition, float yaw, float pitch, float roll)
{
window.pushGLStates();
glClearDepth(1.f);
glClear(GL_DEPTH_BUFFER_BIT);
glDepthMask(GL_TRUE);
glEnable(GL_CULL_FACE);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
_glPerspective(60.f, 320.0/240.0, 1.f, 16000.f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glRotatef(90, 1, 0, 0);
glScalef(1,1,-1);
glRotatef(-roll, 0,1, 0);
glRotatef(-pitch, 0, 1, 0);
glRotatef(-yaw, 0, 0, 1);
textureManager.getTexture("Stars")->setSmooth(true);
sf::Texture::bind(textureManager.getTexture("Stars"), sf::Texture::Pixels);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f( 100, 100, 100);
glTexCoord2f( 0, 0); glVertex3f( 100, 100,-100);
glTexCoord2f(1024, 1024); glVertex3f(-100, 100, 100);
glTexCoord2f( 0, 1024); glVertex3f(-100, 100,-100);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f(-100, 100, 100);
glTexCoord2f( 0, 0); glVertex3f(-100, 100,-100);
glTexCoord2f(1024, 1024); glVertex3f(-100,-100, 100);
glTexCoord2f( 0, 1024); glVertex3f(-100,-100,-100);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f(-100,-100, 100);
glTexCoord2f( 0, 0); glVertex3f(-100,-100,-100);
glTexCoord2f(1024, 1024); glVertex3f( 100,-100, 100);
glTexCoord2f( 0, 1024); glVertex3f( 100,-100,-100);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f( 100,-100, 100);
glTexCoord2f( 0, 0); glVertex3f( 100,-100,-100);
glTexCoord2f(1024, 1024); glVertex3f( 100, 100, 100);
glTexCoord2f( 0, 1024); glVertex3f( 100, 100,-100);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f( 100,-100, 100);
glTexCoord2f( 0, 0); glVertex3f(-100,-100, 100);
glTexCoord2f(1024, 1024); glVertex3f( 100, 100, 100);
glTexCoord2f( 0, 1024); glVertex3f(-100, 100, 100);
glEnd();
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f( 100,-100,-100);
glTexCoord2f( 0, 0); glVertex3f(-100,-100,-100);
glTexCoord2f(1024, 1024); glVertex3f( 100, 100,-100);
glTexCoord2f( 0, 1024); glVertex3f(-100, 100,-100);
glEnd();
for(unsigned int n=0; n<nebulaInfo.size(); n++)
{
sf::Texture::bind(textureManager.getTexture(nebulaInfo[n].textureName), sf::Texture::Pixels);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glPushMatrix();
glRotatef(180, nebulaInfo[n].vector.x, nebulaInfo[n].vector.y, nebulaInfo[n].vector.z);
glColor4f(1,1,1,0.3);
glBegin(GL_TRIANGLE_STRIP);
glTexCoord2f(1024, 0); glVertex3f( 100, 100, 100);
glTexCoord2f( 0, 0); glVertex3f( 100, 100,-100);
glTexCoord2f(1024, 1024); glVertex3f(-100, 100, 100);
glTexCoord2f( 0, 1024); glVertex3f(-100, 100,-100);
glEnd();
glPopMatrix();
}
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
sf::Texture::bind(NULL);
sf::Vector2f cameraPosition2D(cameraPosition.x, cameraPosition.y);
glDisable(GL_DEPTH_TEST);
//Shade the objects with light from the first sun.
//TODO: Fix for multiple suns.
P<Sun> sun = sunList[0];
if (lightShader == NULL)
{
lightShader = new sf::Shader();
lightShader->loadFromFile("resources/perPixelLight.vert", "resources/perPixelLight.frag");
}
sf::Vector2f viewVector = sf::vector2FromAngle(yaw);
std::vector<RenderSortInfo> renderList;
foreach(SpaceObject, obj, spaceObjectList)
{
RenderSortInfo info;
info.obj = *obj;
info.objectDepth = sf::dot(viewVector, obj->getPosition() - cameraPosition2D);
renderList.push_back(info);
}