void main_loop(vector<string>& data_files)
{
size_t data_file_index = 0;
SCML::Data data(data_files[data_file_index]);
data.log();
FileSystem fs;
fs.load(&data);
printf("Loaded %zu images.\n", fs.images.size());
list<Entity*> entities;
for(map<int, SCML::Data::Entity*>::iterator e = data.entities.begin(); e != data.entities.end(); e++)
{
Entity* entity = new Entity(&data, e->first);
entity->setFileSystem(&fs);
entity->setScreen(screen);
entities.push_back(entity);
}
printf("Loaded %zu entities.\n", entities.size());
float x = 400.0f;
float y = 300.0f;
float angle = 0.0f;
float scale = 1.0f;
bool flipped = false;
bool drawObjectPositions = false;
bool drawBones = false;
bool paused = false;
bool done = false;
SDL_Event event;
int dt_ms = 0;
Uint32 framestart = SDL_GetTicks();
while(!done)
{
while(SDL_PollEvent(&event))
{
if(event.type == SDL_QUIT)
{
done = true;
}
else if(event.type == SDL_KEYDOWN)
{
if(event.key.keysym.sym == SDLK_ESCAPE)
done = true;
else if(event.key.keysym.sym == SDLK_SPACE)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->startAnimation(rand()%data.getNumAnimations((*e)->entity));
}
}
else if(event.key.keysym.sym == SDLK_d)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->update(1);
}
}
else if(event.key.keysym.sym == SDLK_f)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->update(5);
}
}
else if(event.key.keysym.sym == SDLK_g)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->update(50);
}
}
else if(event.key.keysym.sym == SDLK_h)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->update(100);
}
}
else if(event.key.keysym.sym == SDLK_p)
{
paused = !paused;
}
else if(event.key.keysym.sym == SDLK_BACKSPACE)
{
flipped = !flipped;
}
else if(event.key.keysym.sym == SDLK_o)
{
drawObjectPositions = !drawObjectPositions;
}
else if(event.key.keysym.sym == SDLK_b)
{
drawBones = !drawBones;
}
else if(event.key.keysym.sym == SDLK_RETURN)
{
// Destroy all of our data
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
delete (*e);
}
entities.clear();
fs.clear();
data.clear();
// Get next data file
data_file_index++;
if(data_file_index >= data_files.size())
data_file_index = 0;
// Load new data
data.load(data_files[data_file_index]);
data.log();
fs.load(&data);
printf("Loaded %zu images.\n", fs.images.size());
for(map<int, SCML::Data::Entity*>::iterator e = data.entities.begin(); e != data.entities.end(); e++)
{
Entity* entity = new Entity(&data, e->first);
entity->setFileSystem(&fs);
entity->setScreen(screen);
entities.push_back(entity);
}
printf("Loaded %zu entities.\n", entities.size());
}
}
}
if(keystates[SDLK_UP])
y -= 100*dt_ms/1000.0f;
else if(keystates[SDLK_DOWN])
y += 100*dt_ms/1000.0f;
if(keystates[SDLK_LEFT])
x -= 100*dt_ms/1000.0f;
else if(keystates[SDLK_RIGHT])
x += 100*dt_ms/1000.0f;
if(keystates[SDLK_MINUS])
scale -= 0.2f*dt_ms/1000.0f;
else if(keystates[SDLK_EQUALS] || keystates[SDLK_PLUS])
scale += 0.2f*dt_ms/1000.0f;
if(keystates[SDLK_COMMA])
angle -= 100*dt_ms/1000.0f;
else if(keystates[SDLK_PERIOD])
angle += 100*dt_ms/1000.0f;
if(!paused)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->update(dt_ms);
}
}
GPU_ClearRGBA(screen, 255, 255, 255, 255);
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
(*e)->draw(x, y, angle, (flipped? -scale : scale), scale);
}
if(drawBones)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
int numBones = (*e)->getNumBones();
for(int i = 0; i < numBones; i++)
{
SCML::Transform transform;
if((*e)->getBoneTransform(transform, i))
{
SDL_Color blue = {0, 0, 255, 255};
GPU_Line(screen, transform.x, transform.y, transform.x + 50*cos(transform.angle*M_PI/180), transform.y + 50*sin(transform.angle*M_PI/180), blue);
}
}
}
}
if(drawObjectPositions)
{
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
int numObjects = (*e)->getNumObjects();
for(int i = 0; i < numObjects; i++)
{
SCML::Transform transform;
if((*e)->getObjectTransform(transform, i))
{
SDL_Color red = {255, 0, 0, 255};
GPU_CircleFilled(screen, transform.x, transform.y, 5*transform.scale_x*transform.scale_y, red);
}
}
}
}
GPU_Flip(GPU_GetContextTarget());
SDL_Delay(10);
Uint32 framefinish = SDL_GetTicks();
dt_ms = framefinish - framestart;
framestart = framefinish;
}
for(list<Entity*>::iterator e = entities.begin(); e != entities.end(); e++)
{
delete (*e);
}
entities.clear();
data.clear();
}
