void RWGame::render(float alpha, float time)
{
lastDraws = getRenderer()->getRenderer()->getDrawCount();
getRenderer()->getRenderer()->swap();
auto size = getWindow().getSize();
renderer->setViewport(size.x, size.y);
ViewCamera viewCam;
viewCam.frustum.fov = glm::radians(90.f);
if( state->currentCutscene != nullptr && state->cutsceneStartTime >= 0.f )
{
auto cutscene = state->currentCutscene;
float cutsceneTime = std::min(world->getGameTime() - state->cutsceneStartTime,
cutscene->tracks.duration);
cutsceneTime += GAME_TIMESTEP * alpha;
glm::vec3 cameraPos = cutscene->tracks.getPositionAt(cutsceneTime),
targetPos = cutscene->tracks.getTargetAt(cutsceneTime);
float zoom = cutscene->tracks.getZoomAt(cutsceneTime);
viewCam.frustum.fov = glm::radians(zoom);
float tilt = cutscene->tracks.getRotationAt(cutsceneTime);
auto direction = glm::normalize(targetPos - cameraPos);
auto right = glm::normalize(glm::cross(glm::vec3(0.f, 0.f, 1.f), direction));
auto up = glm::normalize(glm::cross(direction, right));
glm::mat3 m;
m[0][0] = direction.x;
m[0][1] = right.x;
m[0][2] = up.x;
m[1][0] = direction.y;
m[1][1] = right.y;
m[1][2] = up.y;
m[2][0] = direction.z;
m[2][1] = right.z;
m[2][2] = up.z;
auto qtilt = glm::angleAxis(glm::radians(tilt), direction);
cameraPos += cutscene->meta.sceneOffset;
targetPos += cutscene->meta.sceneOffset;
viewCam.position = cameraPos;
viewCam.rotation = glm::inverse(glm::quat_cast(m)) * qtilt;
}
else if( state->cameraFixed )
{
viewCam.position = state->cameraPosition;
viewCam.rotation = state->cameraRotation;
}
else
{
// There's no cutscene playing - use the camera returned by the State.
viewCam.position = glm::mix(lastCam.position, nextCam.position, alpha);
viewCam.rotation = glm::slerp(lastCam.rotation, nextCam.rotation, alpha);
}
viewCam.frustum.aspectRatio = window.getSize().x / (float) window.getSize().y;
if ( state->isCinematic )
{
viewCam.frustum.fov *= viewCam.frustum.aspectRatio;
}
glEnable(GL_DEPTH_TEST);
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
renderer->getRenderer()->pushDebugGroup("World");
RW_PROFILE_BEGIN("world");
renderer->renderWorld(world, viewCam, alpha);
RW_PROFILE_END();
auto rendertime = renderer->getRenderer()->popDebugGroup();
RW_PROFILE_BEGIN("debug");
if( showDebugPaths )
{
renderDebugPaths(time);
}
if ( showDebugStats )
{
renderDebugStats(time, rendertime);
}
if( showDebugPhysics )
{
if( world )
{
world->dynamicsWorld->debugDrawWorld();
debug->flush(renderer);
}
}
RW_PROFILE_END();
drawOnScreenText(world, renderer);
}
int RWGame::run()
{
last_clock_time = clock.now();
// Loop until the window is closed or we run out of state.
while (window.isOpen() && StateManager::get().states.size()) {
State* state = StateManager::get().states.back();
RW_PROFILE_FRAME_BOUNDARY();
RW_PROFILE_BEGIN("Input");
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
window.close();
break;
case SDL_WINDOWEVENT:
switch (event.window.event) {
case SDL_WINDOWEVENT_FOCUS_GAINED:
inFocus = true;
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
inFocus = false;
break;
}
break;
case SDL_KEYDOWN:
globalKeyEvent(event);
break;
case SDL_MOUSEMOTION:
event.motion.xrel *= MOUSE_SENSITIVITY_SCALE;
event.motion.yrel *= MOUSE_SENSITIVITY_SCALE;
break;
}
RW_PROFILE_BEGIN("State");
state->handleEvent(event);
RW_PROFILE_END()
}
RW_PROFILE_END();
auto now = clock.now();
float timer = std::chrono::duration<float>(now - last_clock_time).count();
last_clock_time = now;
accum += timer * timescale;
RW_PROFILE_BEGIN("Update");
if ( accum >= GAME_TIMESTEP ) {
RW_PROFILE_BEGIN("state");
StateManager::get().tick(GAME_TIMESTEP);
RW_PROFILE_END();
if (StateManager::get().states.size() == 0) {
break;
}
RW_PROFILE_BEGIN("engine");
tick(GAME_TIMESTEP);
RW_PROFILE_END();
accum -= GAME_TIMESTEP;
// Throw away time if the accumulator reaches too high.
if ( accum > GAME_TIMESTEP * 5.f )
{
accum = 0.f;
}
}
RW_PROFILE_END();
float alpha = fmod(accum, GAME_TIMESTEP) / GAME_TIMESTEP;
if( ! state->shouldWorldUpdate() )
{
alpha = 1.f;
}
RW_PROFILE_BEGIN("Render");
RW_PROFILE_BEGIN("engine");
render(alpha, timer);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
if (StateManager::get().states.size() > 0) {
StateManager::get().draw(renderer);
}
RW_PROFILE_END();
RW_PROFILE_END();
renderProfile();
window.swap();
}
if( httpserver_thread )
{
httpserver_thread->join();
}
return 0;
}
int RWGame::run()
{
clock.restart();
// Loop until the window is closed or we run out of state.
while (window.isOpen() && StateManager::get().states.size()) {
State* state = StateManager::get().states.back();
RW_PROFILE_FRAME_BOUNDARY();
RW_PROFILE_BEGIN("Input");
sf::Event event;
while (window.pollEvent(event)) {
switch (event.type) {
case sf::Event::GainedFocus:
inFocus = true;
break;
case sf::Event::LostFocus:
inFocus = false;
break;
case sf::Event::KeyPressed:
globalKeyEvent(event);
break;
case sf::Event::Closed:
return 0;
default: break;
}
RW_PROFILE_BEGIN("State");
state->handleEvent(event);
RW_PROFILE_END()
}
RW_PROFILE_END();
if(! window.isOpen() )
{
break;
}
float timer = clock.restart().asSeconds();
accum += timer * timescale;
RW_PROFILE_BEGIN("Update");
if ( accum >= GAME_TIMESTEP ) {
RW_PROFILE_BEGIN("state");
StateManager::get().tick(GAME_TIMESTEP);
RW_PROFILE_END();
if (StateManager::get().states.size() == 0) {
break;
}
RW_PROFILE_BEGIN("engine");
tick(GAME_TIMESTEP);
RW_PROFILE_END();
accum -= GAME_TIMESTEP;
// Throw away time if the accumulator reaches too high.
if ( accum > GAME_TIMESTEP * 5.f )
{
accum = 0.f;
}
}
RW_PROFILE_END();
float alpha = fmod(accum, GAME_TIMESTEP) / GAME_TIMESTEP;
if( ! state->shouldWorldUpdate() )
{
alpha = 1.f;
}
RW_PROFILE_BEGIN("Render");
RW_PROFILE_BEGIN("engine");
render(alpha, timer);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
if (StateManager::get().states.size() > 0) {
StateManager::get().draw(renderer);
}
RW_PROFILE_END();
RW_PROFILE_END();
renderProfile();
window.display();
}
if( httpserver_thread )
{
httpserver_thread->join();
}
return 0;
}
void GameRenderer::renderWorld(GameWorld* world, const ViewCamera &camera, float alpha)
{
_renderAlpha = alpha;
_renderWorld = world;
// Store the input camera,
_camera = camera;
setupRender();
glBindVertexArray( vao );
float tod = world->getHour() + world->getMinute()/60.f;
// Requires a float 0-24
auto weatherID = static_cast<WeatherLoader::WeatherCondition>(world->state->basic.nextWeather * 24);
auto weather = world->data->weatherLoader.getWeatherData(weatherID, tod);
glm::vec3 skyTop = weather.skyTopColor;
glm::vec3 skyBottom = weather.skyBottomColor;
glm::vec3 ambient = weather.ambientColor;
glm::vec3 dynamic = weather.directLightColor;
float theta = (tod/(60.f * 24.f) - 0.5f) * 2 * 3.14159265;
glm::vec3 sunDirection{
sin(theta),
0.0,
cos(theta),
};
sunDirection = glm::normalize(sunDirection);
_camera.frustum.near = world->state->cameraNear;
_camera.frustum.far = weather.farClipping;
auto view = _camera.getView();
auto proj = _camera.frustum.projection();
Renderer::SceneUniformData sceneParams {
proj,
view,
glm::vec4{ambient, 0.0f},
glm::vec4{dynamic, 0.0f},
glm::vec4(skyBottom, 1.f),
glm::vec4(camera.position, 0.f),
weather.fogStart,
camera.frustum.far
};
renderer->setSceneParameters(sceneParams);
renderer->clear(glm::vec4(skyBottom, 1.f));
_camera.frustum.update(proj * view);
if (cullOverride)
{
cullingCamera.frustum.update(
cullingCamera.frustum.projection() * cullingCamera.getView());
}
culled = 0;
renderer->useProgram(worldProg);
//===============================================================
// Render List Construction
//---------------------------------------------------------------
RW_PROFILE_BEGIN("RenderList");
// This is sequential at the moment, it should be easy to make it
// run in parallel with a good threading system.
RenderList renderList;
// Naive optimisation, assume 10% hitrate
renderList.reserve(world->allObjects.size() * 0.5f);
RW_PROFILE_BEGIN("Build");
ObjectRenderer objectRenderer(_renderWorld,
(cullOverride ? cullingCamera : _camera),
_renderAlpha,
getMissingTexture());
// World Objects
for (auto object : world->allObjects) {
objectRenderer.buildRenderList(object, renderList);
}
RW_PROFILE_END();
renderer->pushDebugGroup("Objects");
renderer->pushDebugGroup("RenderList");
// Also parallelizable
RW_PROFILE_BEGIN("Sort");
std::sort(renderList.begin(), renderList.end(),
[](const Renderer::RenderInstruction& a,
const Renderer::RenderInstruction&b) {
return a.sortKey < b.sortKey;
});
RW_PROFILE_END();
RW_PROFILE_BEGIN("Draw");
renderer->drawBatched(renderList);
RW_PROFILE_END();
renderer->popDebugGroup();
profObjects = renderer->popDebugGroup();
RW_PROFILE_END();
// Render arrows above anything that isn't radar only (or hidden)
ModelRef& arrowModel = world->data->models["arrow"];
if( arrowModel && arrowModel->resource )
{
auto arrowTex = world->data->textures[{"copblue",""}];
auto arrowFrame = arrowModel->resource->findFrame( "arrow" );
for( auto& blip : world->state->radarBlips )
{
if( blip.second.display == BlipData::Show )
{
glm::mat4 model;
if( blip.second.target > 0 )
{
// TODO restore arrows
/*auto& pool = world->getTypeObjectPool(blip.second.target);
auto object = pool.find(blip.second.target);
if( object )
{
model = object->getTimeAdjustedTransform( _renderAlpha );
}*/
}
else
{
model = glm::translate( model, blip.second.coord );
}
float a = world->getGameTime() * glm::pi<float>();
model = glm::translate( model, glm::vec3(0.f, 0.f, 2.5f + glm::sin( a ) * 0.5f) );
model = glm::rotate( model, a, glm::vec3(0.f, 0.f, 1.f) );
model = glm::scale( model, glm::vec3(1.5f, 1.5f, 1.5f) );
Renderer::DrawParameters dp;
dp.textures = {arrowTex->getName()};
dp.ambient = 1.f;
dp.colour = glm::u8vec4(255, 255, 255, 255);
auto geom = arrowModel->resource->geometries[arrowFrame->getGeometries()[0]];
Model::SubGeometry& sg = geom->subgeom[0];
dp.start = sg.start;
dp.count = sg.numIndices;
dp.diffuse = 1.f;
renderer->draw( model, &geom->dbuff, dp );
}
}
}
// Draw goal indicators
glDepthMask(GL_FALSE);
renderer->useProgram( particleProg );
for(auto& i : world->getAreaIndicators())
{
renderAreaIndicator( &i );
}
glDepthMask(GL_TRUE);
renderer->pushDebugGroup("Water");
water.render(this, world);
profWater = renderer->popDebugGroup();
renderer->pushDebugGroup("Sky");
glBindVertexArray( vao );
Renderer::DrawParameters dp;
dp.start = 0;
dp.count = skydomeSegments * skydomeRows * 6;
renderer->useProgram(skyProg);
renderer->setUniform(skyProg, "TopColor", glm::vec4(skyTop, 1.f));
renderer->setUniform(skyProg, "BottomColor", glm::vec4(skyBottom, 1.f));
renderer->draw(glm::mat4(), &skyDbuff, dp);
profSky = renderer->popDebugGroup();
renderer->pushDebugGroup("Effects");
renderEffects(world);
profEffects = renderer->popDebugGroup();
glDisable(GL_DEPTH_TEST);
GLuint splashTexName = 0;
auto fc = world->state->fadeColour;
if((fc.r + fc.g + fc.b) == 0 && world->state->currentSplash.size() > 0) {
auto splash = world->data->findTexture(world->state->currentSplash);
if ( splash )
{
splashTexName = splash->getName();
}
}
if( (world->state->isCinematic || world->state->currentCutscene ) && splashTexName != 0 ) {
renderLetterbox();
}
float fadeTimer = world->getGameTime() - world->state->fadeStart;
if( fadeTimer < world->state->fadeTime || !world->state->fadeOut ) {
glUseProgram(ssRectProgram);
glUniform2f(ssRectOffset, 0.f, 0.f);
glUniform2f(ssRectSize, 1.f, 1.f);
glUniform1i(ssRectTexture, 0);
if(splashTexName != 0) {
glBindTexture(GL_TEXTURE_2D, splashTexName);
fc = glm::u16vec3(0, 0, 0);
}
else {
glBindTexture(GL_TEXTURE_2D, 0);
}
float fadeFrac = 0.f;
if( world->state->fadeTime > 0.f ) {
fadeFrac = std::min(fadeTimer / world->state->fadeTime, 1.f);
}
float a = world->state->fadeOut ? 1.f - fadeFrac : fadeFrac;
glm::vec4 fadeNormed(fc.r / 255.f, fc.g/ 255.f, fc.b/ 255.f, a);
glUniform4fv(ssRectColour, 1, glm::value_ptr(fadeNormed));
glBindVertexArray( ssRectDraw.getVAOName() );
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
if( (world->state->isCinematic || world->state->currentCutscene ) && splashTexName == 0 ) {
renderLetterbox();
}
renderPostProcess();
glUseProgram(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindVertexArray( 0 );
}