/** \brief Initialize the game core.
*
* Initialize SDL, load required files, start the main game loop.
*/
int GameCore::Init(int w, int h) {
bool Escape = false;
width = w; height = h;
if (SDL_Init(SDL_INIT_EVERYTHING) == -1) return 1;
// TODO: This might need to be changed to SDL_SWSURFACE for speed.
screen = SDL_SetVideoMode(w, h, 0, SDL_HWSURFACE | SDL_DOUBLEBUF);
if (screen == NULL) return 1;
SDL_WM_SetCaption("The Adventures Of Knil", NULL);
GameDraw::screen = screen;
ga.Init();
ga.PlayMusic("Sounds/Tank Battle.mp3");
GamePlayer gp;
gp.loadKCA("CharAnis\\modernbody.kca");
gp.setPos(368, 528);
GameDialog dialog;
// Test load a map
gm.Init(&gp, &dialog);
if (!gm.LoadMap("Maps\\HouseMap.map")) {
return ErrorScreen();
}
gm.drawMap();
while (!quit) {
// Update GameInput. Check if we should quit.
gi.Update();
if (gi.GetKeyState(SDLK_ESCAPE)) {
if (!Escape && dialog.isActive()) {
Escape = true;
dialog.Close();
}
} else {
Escape = false;
}
if (gi.GetQuit() || (gi.GetKeyState(SDLK_ESCAPE) && !Escape)) {
quit = true;
break;
}
if (!dialog.isActive() && gi.GetKeyState(SDLK_F1)) {
dialog.clearPages();
dialog.addPage(HELPTEXT1);
dialog.addPage(HELPTEXT2);
dialog.addPage(HELPTEXT3);
dialog.addPage(HELPTEXT4);
dialog.ShowPage(0);
}
// Calculate FPS and frame time
int dt = CalcFPS();
gp.tick(dt);
if (!dialog.isActive())
gp.handleInput(&gi, &gm);
gm.handleInput(&gi);
gm.runScripts(dt);
dialog.handleInput(&gi);
// Move screen with player
if (gp.getX() > (width / 2)) {
mapOffX = gp.getX() - (width / 2);
if ((mapOffX + width) > (gm.GetWidth() * 16) ) {
mapOffX = gm.GetWidth() * 16 - width;
}
} else
mapOffX = 0;
if (gp.getY() > (height / 2)) {
mapOffY = gp.getY() - (height / 2);
if ((mapOffY + height) > (gm.GetHeight() * 16) ) {
mapOffY = gm.GetHeight() * 16 - height;
}
} else
mapOffY = 0;
SDL_Rect clip;
clip.x = mapOffX;
clip.y = mapOffY;
clip.w = width;
clip.h = height;
GameDraw::SurfaceClear(screen, SDL_MapRGB(screen->format, 0, 0, 0));
GameDraw::RenderToSurface(0, 0, gm.GetMapBottom(), screen, &clip);
// Render NPCs on Layer 0
vector<GameNPC*>* mapNPC = gm.getNPCList();
for (unsigned int i = 0; i < mapNPC->size(); i++) {
if (mapNPC->at(i)->GetLayer()) continue;
if (!mapNPC->at(i)->GetSurface()) continue;
SDL_Rect r = mapNPC->at(i)->GetBlock();
r.x -= mapOffX; r.y -= mapOffY;
int npcx = mapNPC->at(i)->GetX() - mapOffX;
int npcy = mapNPC->at(i)->GetY() - mapOffY;
GameDraw::RenderToSurface(npcx, npcy, mapNPC->at(i)->GetSurface(), screen, &mapNPC->at(i)->GetSurface()->clip_rect);
}
// Render Player
GameDraw::RenderToSurface(gp.getX() - mapOffX, gp.getY() - mapOffY, gp.getSurface(), screen, &gp.getSurface()->clip_rect);
// Render NPCs on Layer != 0
for (unsigned int i = 0; i < mapNPC->size(); i++) {
if (!mapNPC->at(i)->GetLayer()) continue;
if (!mapNPC->at(i)->GetSurface()) continue;
SDL_Rect r = mapNPC->at(i)->GetBlock();
r.x -= mapOffX; r.y -= mapOffY;
int npcx = mapNPC->at(i)->GetX() - mapOffX;
int npcy = mapNPC->at(i)->GetY() - mapOffY;
GameDraw::RenderToSurface(npcx, npcy, mapNPC->at(i)->GetSurface(), screen, &mapNPC->at(i)->GetSurface()->clip_rect);
}
// If there is an active dialog, draw it in the middle of the screen, at the bottom.
if (dialog.isActive())
GameDraw::RenderToSurface(width / 2 - GameDialog::DIALOGWIDTH / 2, height - GameDialog::DIALOGHEIGHT - 30, dialog.getSurface(), screen, &dialog.getSurface()->clip_rect);
GameDraw::FlipToScreen(screen);
}
return 0;
}
