[英]Functions of Allegro 4 in Allegro 5
我有一個用Allegro 4編寫的代碼,正在將其轉換為Allegro 5,但是我遇到了嚴重的問題,這些功能在Allegro 5中不再存在,其中之一是“ blit”
BITMAP *bTile; // Bitmap do tile;
BITMAP *bMapa; // Bitmap do mapa;
BITMAP *bTexturas[20]; // Vetor de bitmap das texturas;
BITMAP *bChar; // Bitmap do personagem;
BITMAP *bMario[3];
// ##########################################################
int main()
{
int vResolucao_x = 640;
int vResolucao_y = 480;
init(vResolucao_x, vResolucao_y);
BITMAP *buffer = create_bitmap(vResolucao_x, vResolucao_y);
bTile = load_bitmap("Tiles/tile.bmp", NULL);
bChar = load_bitmap("Tiles/mario.bmp", NULL);
bMapa = create_bitmap(vResolucao_x, vResolucao_y);
// ############# - Carrega imagens do mario - ############
bMario[0] = create_bitmap(vTile,vTile);
bMario[1] = create_bitmap(vTile,vTile);
bMario[2] = create_bitmap(vTile,vTile);
blit(bChar, bMario[0], 0, 0, 0, 0, vTile, vTile);
blit(bChar, bMario[1], 33, 0, 0, 0, vTile, vTile);
blit(bChar, bMario[2], 66, 0, 0, 0, vTile, vTile);
// #######################################################
install_int(fGravidade,5);
fCarrega_Sprites_Mapa();
fCarrega_Mapa();
fMostra_Mapa();
draw_sprite(screen, bMapa, 0, 0 );
while (!key[KEY_ESC]) {
我的舊代碼幾乎沒有任何內容可用於Allegro 5,因此我正在學習轉換,但是此blit函數無法在allegro 5中找到它,另一個找不到模擬對象的函數是:install_int (......)
Allegro 5本質上是一個全新的庫。 這是最好的逐行翻譯。 請注意,Allegro 5使用了根本不同的概念(事件循環),在嘗試轉換代碼之前,您應該花些時間來學習它的工作原理。
ALLEGRO_BITMAP *bMario[3];
// ##########################################################
int main()
{
int vResolucao_x = 640;
int vResolucao_y = 480;
init(vResolucao_x, vResolucao_y);
ALLEGRO_BITMAP *buffer = al_create_bitmap(vResolucao_x, vResolucao_y);
bTile = al_load_bitmap("Tiles/tile.bmp");
bChar = al_load_bitmap("Tiles/mario.bmp");
bMapa = al_create_bitmap(vResolucao_x, vResolucao_y);
// ############# - Carrega imagens do mario - ############
bMario[0] = al_create_bitmap(vTile,vTile);
bMario[1] = al_create_bitmap(vTile,vTile);
bMario[2] = al_create_bitmap(vTile,vTile);
al_set_target_bitmap(bMario[0]);
al_draw_bitmap(bchar, 0, 0, 0);
al_set_target_bitmap(bMario[1]);
al_draw_bitmap(bchar, 33, 0, 0);
al_set_target_bitmap(bMario[2]);
al_draw_bitmap(bchar, 66, 0, 0);
al_set_target_backbuffer(display);
// #######################################################
fGravidade = al_create_timer(5 / 1000.0); // ALLEGRO_TIMER*
ALLEGRO_EVENT_QUEUE *queue = al_create_event_queue();
al_register_event_source(queue, al_get_timer_event_source(gfGravidade));
al_register_event_source(queue, al_get_keyboard_event_source());
fCarrega_Sprites_Mapa();
fCarrega_Mapa();
fMostra_Mapa();
al_draw_bitmap(bMapa, 0, 0, 0);
al_flip_display();
while (true) {
ALLEGRO_EVENT event;
al_wait_for_event(queue, &event);
if (event.type == ALLEGRO_EVENT_TIMER) {
// fGravidade ticked
}
else if (event.type == ALLEGRO_EVENT_KEY_CHAR) {
if (event.keyboard.keycode == ALLEGRO_KEY_ESCAPE) {
break;
}
}
}
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