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rwgame: Refactor run() into seperate methods to ease profiling

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This commit is contained in:
Daniel Evans 2018-08-28 19:35:49 +01:00
parent 2670de509f
commit 4e1535ca99
2 changed files with 100 additions and 80 deletions
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174
rwgame/RWGame.cpp
View File

@ -367,45 +367,7 @@ int RWGame::run() {
while (StateManager::currentState() && running) {
RW_PROFILE_FRAME_BOUNDARY();
RW_PROFILE_BEGIN("Input");
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
running = false;
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;
}
GameInput::updateGameInputState(&getState()->input[0], event);
RW_PROFILE_BEGIN("State");
if (StateManager::currentState()) {
StateManager::currentState()->handleEvent(event);
}
RW_PROFILE_END()
}
RW_PROFILE_END();
running = updateInput();
auto currentFrame = chrono::steady_clock::now();
auto frameTime =
@ -420,48 +382,10 @@ int RWGame::run() {
frameTime = 0.1f;
}
auto deltaTimeWithTimeScale =
deltaTime * world->state->basic.timeScale;
RW_PROFILE_BEGIN("Update");
while (accumulatedTime >= deltaTime) {
if (!StateManager::currentState()) {
break;
}
RW_PROFILE_BEGIN("physics");
world->dynamicsWorld->stepSimulation(
deltaTimeWithTimeScale, kMaxPhysicsSubSteps, deltaTime);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
StateManager::get().tick(deltaTimeWithTimeScale);
RW_PROFILE_END();
RW_PROFILE_BEGIN("engine");
tick(deltaTimeWithTimeScale);
RW_PROFILE_END();
getState()->swapInputState();
accumulatedTime -= deltaTime;
}
RW_PROFILE_END();
accumulatedTime = tickWorld(deltaTime, accumulatedTime);
}
RW_PROFILE_BEGIN("Render");
RW_PROFILE_BEGIN("engine");
render(1, frameTime);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
if (StateManager::currentState()) {
StateManager::get().draw(&renderer);
}
RW_PROFILE_END();
RW_PROFILE_END();
renderProfile();
getWindow().swap();
@ -476,6 +400,79 @@ int RWGame::run() {
return 0;
}
float RWGame::tickWorld(const float deltaTime, float accumulatedTime) {
auto deltaTimeWithTimeScale =
deltaTime * world->state->basic.timeScale;
RW_PROFILE_BEGIN("Update");
while (accumulatedTime >= deltaTime) {
if (!StateManager::currentState()) {
break;
}
RW_PROFILE_BEGIN("physics");
world->dynamicsWorld->stepSimulation(
deltaTimeWithTimeScale, kMaxPhysicsSubSteps, deltaTime);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
StateManager::get().tick(deltaTimeWithTimeScale);
RW_PROFILE_END();
RW_PROFILE_BEGIN("engine");
tick(deltaTimeWithTimeScale);
RW_PROFILE_END();
getState()->swapInputState();
accumulatedTime -= deltaTime;
}
RW_PROFILE_END();
return accumulatedTime;
}
bool RWGame::updateInput() {
RW_PROFILE_BEGIN("Input");
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
return false;
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;
}
GameInput::updateGameInputState(&getState()->input[0], event);
RW_PROFILE_BEGIN("State");
if (StateManager::currentState()) {
StateManager::currentState()->handleEvent(event);
}
RW_PROFILE_END()
}
RW_PROFILE_END();
return true;
}
void RWGame::tick(float dt) {
State* currState = StateManager::get().states.back().get();
@ -572,6 +569,9 @@ void RWGame::tick(float dt) {
}
void RWGame::render(float alpha, float time) {
RW_PROFILE_BEGIN("Render");
RW_PROFILE_BEGIN("engine");
lastDraws = getRenderer().getRenderer()->getDrawCount();
getRenderer().getRenderer()->swap();
@ -606,6 +606,22 @@ void RWGame::render(float alpha, float time) {
renderer.getRenderer()->popDebugGroup();
renderDebugView(time, viewCam);
if (!world->isPaused()) drawOnScreenText(world.get(), &renderer);
RW_PROFILE_END();
RW_PROFILE_BEGIN("state");
if (StateManager::currentState()) {
StateManager::get().draw(&renderer);
}
RW_PROFILE_END();
RW_PROFILE_END();
renderProfile();
}
void RWGame::renderDebugView(float time, ViewCamera &viewCam) {
RW_PROFILE_BEGIN("debug");
switch (debugview_) {
case DebugViewMode::General:
@ -625,8 +641,6 @@ void RWGame::render(float alpha, float time) {
break;
}
RW_PROFILE_END();
if (!world->isPaused()) drawOnScreenText(world.get(), &renderer);
}
void RWGame::renderDebugStats(float time) {

6
rwgame/RWGame.hpp
View File

@ -132,6 +132,12 @@ private:
void handleCheatInput(char symbol);
void globalKeyEvent(const SDL_Event& event);
bool updateInput();
float tickWorld(const float deltaTime, float accumulatedTime);
void renderDebugView(float time, ViewCamera &viewCam);
};
#endif