X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FApplication.cpp;h=80ebb5d1ac1c8ae51a63a508a4a763026d1b695e;hb=2a0eca649009f78028db286a67a532429cab5b88;hp=19aa06a18543de3e1c7662a490098d794e8e0aca;hpb=4d0a650b178d81387caa36953ed06cc5d6c28213;p=l2e.git

diff --git a/src/app/Application.cpp b/src/app/Application.cpp
index 19aa06a..80ebb5d 100644
--- a/src/app/Application.cpp
+++ b/src/app/Application.cpp
@@ -16,8 +16,7 @@ namespace app {
 Application::Application(sdl::InitScreen *screen, State *initialState)
 : screen(screen)
 , states()
-, last(SDL_GetTicks())
-, toPop(0) {
+, last(SDL_GetTicks()) {
 	assert(screen && "cannot create application without screen");
 	assert(initialState && "cannot create application without initial state");
 	RealPushState(initialState);
@@ -33,40 +32,72 @@ State *Application::CurrentState() {
 }
 
 void Application::UpdateState() {
-	while (toPop > 0) {
-		RealPopState();
-		--toPop;
-	}
-	while (!toPush.empty()) {
-		State *s(toPush.front());
-		toPush.pop();
-		RealPushState(s);
+	while (!stateChanges.empty()) {
+		switch (stateChanges.front().type) {
+			case StateCommand::PUSH:
+				RealPushState(stateChanges.front().state);
+				break;
+			case StateCommand::POP:
+				RealPopState();
+				break;
+			case StateCommand::CHANGE:
+				RealChangeState(stateChanges.front().state);
+				break;
+		}
+		stateChanges.pop();
 	}
 }
 
 void Application::ChangeState(State *s) {
-	PopState();
-	PushState(s);
+	StateCommand cmd;
+	cmd.type = StateCommand::CHANGE;
+	cmd.state = s;
+	stateChanges.push(cmd);
 }
 
 void Application::PushState(State *s) {
-	toPush.push(s);
+	StateCommand cmd;
+	cmd.type = StateCommand::PUSH;
+	cmd.state = s;
+	stateChanges.push(cmd);
 }
 
-void Application::RealPushState(State *s) {
+void Application::PopState() {
+	StateCommand cmd;
+	cmd.type = StateCommand::POP;
+	cmd.state = 0;
+	stateChanges.push(cmd);
+}
+
+void Application::RealChangeState(State *s) {
+	if (!states.empty()) {
+		states.top()->PauseState(*this, screen->Screen());
+		states.top()->ExitState(*this, screen->Screen());
+		states.pop();
+	}
 	states.push(s);
 	s->EnterState(*this, screen->Screen());
+	s->ResumeState(*this, screen->Screen());
 }
 
-void Application::PopState() {
-	++toPop;
+void Application::RealPushState(State *s) {
+	if (!states.empty()) {
+		states.top()->PauseState(*this, screen->Screen());
+	}
+	states.push(s);
+	s->EnterState(*this, screen->Screen());
+	s->ResumeState(*this, screen->Screen());
 }
 
 void Application::RealPopState() {
 	if (states.empty()) return;
-	states.top()->ExitState();
+	states.top()->PauseState(*this, screen->Screen());
+	states.top()->ExitState(*this, screen->Screen());
 	delete states.top();
 	states.pop();
+	if (!states.empty()) {
+		states.top()->ResumeState(*this, screen->Screen());
+	}
 }
 
 void Application::Quit() {