//Called after the window and OpenGL are initialized. Called exactly once, before the main loop.
void init()
{
InitializePrograms();
try
{
g_pScene = new Scene();
}
catch(std::exception &except)
{
printf("%s\n", except.what());
throw;
}
SetupDaytimeLighting();
g_lights.CreateTimer("tetra", Framework::Timer::TT_LOOP, 2.5f);
glutMouseFunc(MouseButton);
glutMotionFunc(MouseMotion);
glutMouseWheelFunc(MouseWheel);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glFrontFace(GL_CW);
const float depthZNear = 0.0f;
const float depthZFar = 1.0f;
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glDepthFunc(GL_LEQUAL);
glDepthRange(depthZNear, depthZFar);
glEnable(GL_DEPTH_CLAMP);
//Setup our Uniform Buffers
glGenBuffers(1, &g_lightUniformBuffer);
glBindBuffer(GL_UNIFORM_BUFFER, g_lightUniformBuffer);
glBufferData(GL_UNIFORM_BUFFER, sizeof(LightBlock), NULL, GL_DYNAMIC_DRAW);
glGenBuffers(1, &g_projectionUniformBuffer);
glBindBuffer(GL_UNIFORM_BUFFER, g_projectionUniformBuffer);
glBufferData(GL_UNIFORM_BUFFER, sizeof(ProjectionBlock), NULL, GL_DYNAMIC_DRAW);
//Bind the static buffers.
glBindBufferRange(GL_UNIFORM_BUFFER, g_lightBlockIndex, g_lightUniformBuffer,
0, sizeof(LightBlock));
glBindBufferRange(GL_UNIFORM_BUFFER, g_projectionBlockIndex, g_projectionUniformBuffer,
0, sizeof(ProjectionBlock));
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
//Called whenever a key on the keyboard was pressed.
//The key is given by the ''key'' parameter, which is in ASCII.
//It's often a good idea to have the escape key (ASCII value 27) call glutLeaveMainLoop() to
//exit the program.
void keyboard(unsigned char key, int x, int y)
{
bool bChangedShininess = false;
bool bChangedLightModel = false;
switch (key)
{
case 27:
delete g_pScene;
g_pScene = NULL;
glutLeaveMainLoop();
return;
case 'p': g_lights.TogglePause(g_eTimerMode); break;
case '-': g_lights.RewindTime(g_eTimerMode, 1.0f); break;
case '=': g_lights.FastForwardTime(g_eTimerMode, 1.0f); break;
case 't': g_bDrawCameraPos = !g_bDrawCameraPos; break;
case '1': g_eTimerMode = TIMER_ALL; printf("All\n"); break;
case '2': g_eTimerMode = TIMER_SUN; printf("Sun\n"); break;
case '3': g_eTimerMode = TIMER_LIGHTS; printf("Lights\n"); break;
case 'l': SetupDaytimeLighting(); break;
case 'L': SetupNighttimeLighting(); break;
case 'k': SetupHDRLighting(); break;
case 32:
{
float sunAlpha = g_lights.GetSunTime();
float sunTimeHours = sunAlpha * 24.0f + 12.0f;
sunTimeHours = sunTimeHours > 24.0f ? sunTimeHours - 24.0f : sunTimeHours;
int sunHours = int(sunTimeHours);
float sunTimeMinutes = (sunTimeHours - sunHours) * 60.0f;
int sunMinutes = int(sunTimeMinutes);
printf("%02i:%02i\n", sunHours, sunMinutes);
}
break;
}
g_viewPole.CharPress(key);
}
