void hardware_release()
{
// Release screen device
lem1802_destroy(screen_device);
// Release keyboard device
keyboard_destroy(keyboard_device);
// Release clock device
clock_destroy(clock_device);
}
int window_destroy(window_t* window) { LOG
int error, i;
/* remove mouse */
error = window_uninstall_mouse(window);
if (error) {
printf("window_destroy: window_uninstall_mouse failed with error code %d.\n", error);
return error;
}
/* remove keyboard */
error = keyboard_destroy();
if (error) {
printf("window_destroy: keyboard_destroy failed with error code %d.\n", error);
return error;
}
/* remove tabs */
for (i = 0; i < TAB_COUNT; ++i) {
if (window->tabs[i]) {
error = tab_destroy(window->tabs[i]);
if (error) {
printf("window_destroy: tab_destroy(%d) failed with error code %d.\n", i, error);
return error;
}
}
}
/* exit video mode */
if (window->draw) {
error = vg_exit();
if (error) {
printf("window_destroy: vg_exit failed with error code %d.\n", error);
return error;
}
}
return 0;
}
int main(int argc, char* argv[])
{
// our demo variables
World* demoworld = 0;
Camera* democamera = 0;
Tileset* demotileset = 0;
Renderer* demorenderer = 0;
// init SDL
if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
{
fprintf(stderr, "SDL Library Initialization Failed!\n\tSDL Error: %s\n", SDL_GetError());
exit(1);
}
atexit(SDL_Quit);
// create the window
if (!SDL_SetVideoMode(SCREEN_W, SCREEN_H, SCREEN_BPP, SDL_HWSURFACE | SDL_DOUBLEBUF))
{
fprintf(stderr, "SDL Screen Initialization Failed! %dx%d@%dbpp\nSDL Error: %s\n",
SCREEN_W,
SCREEN_H,
SCREEN_BPP,
SDL_GetError());
exit(1);
}
// set the window caption
SDL_WM_SetCaption("Basic SDL Map Editor Example Demo -- by Richard Marks <*****@*****.**>", 0);
// create our keyboard handler
Keyboard* keyboard = keyboard_create();
// load the world
demoworld = world_load("example_demo.map");
if (!demoworld)
{
fprintf(stderr, "unable to load the world file!\n");
exit(1);
}
// load the tileset
demotileset = tileset_load("example_demo.png", 32, 32);
if (!demotileset)
{
fprintf(stderr, "unable to load the tileset file!\n");
exit(1);
}
// create the camera
democamera = camera_create(
// anchor position of the camera is at 32,32 on the screen
32, 32,
// the camera view is 30 x 22 tiles
30, 22,
// need to tell the camera the size of the tiles
demotileset->width, demotileset->height);
// create the renderer
demorenderer = renderer_create(demoworld, demotileset, democamera);
// pre-render the scene
renderer_pre_render(demorenderer);
fprintf(stderr, "\nstarting main loop...\n\n");
// start the main loop
SDL_Event event;
bool running = true;
int startticks = SDL_GetTicks();
int mainlooptimer = SDL_GetTicks();
while(running)
{
// check for our window being closed
while(SDL_PollEvent(&event))
{
if (SDL_QUIT == event.type)
{
running = false;
}
}
// update our keyboard handler
keyboard_update(keyboard);
// start timing our code
startticks = SDL_GetTicks();
// check for our controls
// ESC and Q quits
if (keyboard->key[SDLK_ESCAPE] || keyboard->key[SDLK_q])
{
running = false;
}
const unsigned int CAMERASPEED = 16;
// W and up arrow
if (keyboard->key[SDLK_w] || keyboard->key[SDLK_UP])
{
if (democamera->inpixels->y > 0)
{
democamera->inpixels->y -= CAMERASPEED;
}
}
// S and down arrow
if (keyboard->key[SDLK_s] || keyboard->key[SDLK_DOWN])
{
if (democamera->inpixels->y < demorenderer->scene->h - democamera->inpixels->h)
{
democamera->inpixels->y += CAMERASPEED;
}
}
// A and left arrow
if (keyboard->key[SDLK_a] || keyboard->key[SDLK_LEFT])
{
if (democamera->inpixels->x > 0)
{
democamera->inpixels->x -= CAMERASPEED;
}
}
// D and right arrow
if (keyboard->key[SDLK_d] || keyboard->key[SDLK_RIGHT])
{
if (democamera->inpixels->x < demorenderer->scene->w - democamera->inpixels->w)
{
democamera->inpixels->x += CAMERASPEED;
}
}
// render our scene
renderer_render(demorenderer);
// flip our double buffer
SDL_Flip(SDL_GetVideoSurface());
// lock our framerate to roughly 30 FPS
int tickdiff = SDL_GetTicks() - startticks;
if (tickdiff < 33)
{
SDL_Delay(33 - tickdiff);
}
}
int tickdiff = SDL_GetTicks() - mainlooptimer;
fprintf(stderr, "finished after %d ticks!\n\n", tickdiff);
// destroy our pointers
tileset_destroy(demotileset);
renderer_destroy(demorenderer);
world_destroy(demoworld);
camera_destroy(democamera);
keyboard_destroy(keyboard);
return 0;
}
