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Merge pull request #489 from husho/fixawfulframerate

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Fixed: accumulated time during pauses caused terrible framerate
This commit is contained in:
darkf 2018-05-31 23:22:29 -05:00 committed by GitHub
commit 4a9444fdee
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 29 deletions
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13
rwgame/RWGame.cpp
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@ -370,7 +370,7 @@ int RWGame::run() {
namespace chrono = std::chrono;
auto lastFrame = chrono::steady_clock::now();
float deltaTime = GAME_TIMESTEP;
const float deltaTime = GAME_TIMESTEP;
float accumulatedTime = 0.0f;
// Loop until we run out of states.
@ -423,17 +423,19 @@ int RWGame::run() {
chrono::duration<float>(currentFrame - lastFrame).count();
lastFrame = currentFrame;
if (!world->isPaused()) {
accumulatedTime += frameTime;
// Clamp frameTime, so we won't freeze completely
if (frameTime > 0.1f) {
frameTime = 0.1f;
}
accumulatedTime += frameTime;
auto deltaTimeWithTimeScale = deltaTime * world->state->basic.timeScale;
auto deltaTimeWithTimeScale =
deltaTime * world->state->basic.timeScale;
RW_PROFILE_BEGIN("Update");
while (accumulatedTime >= deltaTime && !world->isPaused()) {
while (accumulatedTime >= deltaTime) {
if (!StateManager::currentState()) {
break;
}
@ -456,6 +458,7 @@ int RWGame::run() {
accumulatedTime -= deltaTime;
}
RW_PROFILE_END();
}
RW_PROFILE_BEGIN("Render");
RW_PROFILE_BEGIN("engine");