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#include <vector>
#include <fov.h>
#include <iostream>
#include "util.h"
#include "game.h"
#include "renderer.h"
enum class TitleState {
FadeIn,
Sustain,
FadeOut
};
int main(int, char**)
{
std::random_device randomEngine;
std::mt19937 rng(randomEngine());
try
{
Renderer renderer;
Muxer muxer;
Game game(rng, muxer);
constexpr int titleFadeLen = 2000;
bool doneTitles = false;
int titleNum = 0;
TitleState titleState = TitleState::FadeIn;
Interpolation titleFade;
Timer titleSustain(3000);
titleFade.start(titleFadeLen);
size_t lastTime = SDL_GetTicks();
while (!game.quit)
{
size_t currentTime = SDL_GetTicks();
size_t frameTime = currentTime - lastTime;
lastTime = currentTime;
if (doneTitles) {
game.update(frameTime);
renderer.renderGame(game, true);
muxer.update();
} else {
SDL_Event e;
while (SDL_PollEvent(&e));
switch (titleState) {
case TitleState::FadeIn: {
titleFade.tick(frameTime);
if (titleFade.isComplete()) {
titleState = TitleState::Sustain;
titleSustain.reset();
}
renderer.renderTitle(titleNum, titleFade.getProgress(0, 1));
break;
}
case TitleState::Sustain: {
titleSustain.accumulate(frameTime);
const Uint8* state = SDL_GetKeyboardState(NULL);
if (state[SDL_SCANCODE_SPACE] || titleSustain.step()) {
titleState = TitleState::FadeOut;
titleFade.start(titleFadeLen);
}
renderer.renderTitle(titleNum, 1);
break;
}
case TitleState::FadeOut: {
titleFade.tick(frameTime);
renderer.renderTitle(titleNum, titleFade.getProgress(1, 0));
if (titleFade.isComplete()) {
titleNum++;
if (titleNum < NUM_TITLES) {
titleState = TitleState::FadeIn;
titleFade.start(titleFadeLen);
} else {
doneTitles = true;
}
}
break;
}
}
}
}
} catch (const sdl_error& ex)
{
std::cout << "SDL error (" << ex.what() << ")" << std::endl;
} catch (const img_error& ex)
{
std::cout << "SDL_IMG error (" << ex.what() << ")" << std::endl;
}
return 0;
}
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