added assfile

[raydungeon] / src / game.c

diff --git a/src/game.c b/src/game.c
index b85ddb3..caff54a 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -1,56 +1,131 @@
+#include <stdlib.h>
+#include <string.h>
 #include <GL/gl.h>
 #include "game.h"
 
-int game_mx, game_my, game_mstate[3];
-int game_win_width, game_win_height;
-float game_win_aspect;
+int mouse_x, mouse_y, mouse_state[3];
+int win_width, win_height;
+float win_aspect;
+
+struct game_screen *cur_scr;
+
+/* available screens */
+extern struct game_screen scr_menu, scr_game, scr_map;
+#define MAX_SCREENS    4
+static struct game_screen *screens[MAX_SCREENS];
+static int num_screens;
+
 
 int game_init(void)
 {
+       int i;
+       char *start_scr_name;
+
+       /* initialize screens */
+       screens[num_screens++] = &scr_menu;
+       screens[num_screens++] = &scr_game;
+       screens[num_screens++] = &scr_map;
+
+       start_scr_name = getenv("START_SCREEN");
+
+       for(i=0; i<num_screens; i++) {
+               if(screens[i]->init() == -1) {
+                       return -1;
+               }
+               if(screens[i]->name && start_scr_name && strcmp(screens[i]->name, start_scr_name) == 0) {
+                       game_chscr(screens[i]);
+               }
+       }
+       if(!cur_scr) {
+               game_chscr(&scr_game);  /* TODO: scr_menu */
+       }
+
        glClearColor(0.3, 0.3, 0.3, 1);
        return 0;
 }
 
 void game_shutdown(void)
 {
+       int i;
+
+       for(i=0; i<num_screens; i++) {
+               if(screens[i]->destroy) {
+                       screens[i]->destroy();
+               }
+       }
 }
 
 void game_display(void)
 {
        glClear(GL_COLOR_BUFFER_BIT);
+
+       if(cur_scr) {
+               cur_scr->display();
+       }
+
        game_swap_buffers();
 }
 
 void game_reshape(int x, int y)
 {
-       game_win_width = x;
-       game_win_height = y;
-       game_win_aspect = (float) x / y;
+       win_width = x;
+       win_height = y;
+       win_aspect = (float)x / (float)y;
        glViewport(0, 0, x, y);
+
+       if(cur_scr && cur_scr->reshape) {
+               cur_scr->reshape(x, y);
+       }
 }
 
 void game_keyboard(int key, int press)
 {
-       if(!press) return;
+       if(press) {
+               switch(key) {
+               case 27:
+                       game_quit();
+                       break;
+               }
+       }
 
-       switch(key) {
-       case 27:
-               game_quit();
-               break;
+       if(cur_scr && cur_scr->keyboard) {
+               cur_scr->keyboard(key, press);
        }
 }
 
 void game_mouse(int bn, int st, int x, int y)
 {
-       game_mx = x;
-       game_my = y;
+       mouse_x = x;
+       mouse_y = y;
        if(bn < 3) {
-               game_mstate[bn] = st;
+               mouse_state[bn] = st;
+       }
+
+       if(cur_scr && cur_scr->mouse) {
+               cur_scr->mouse(bn, st, x, y);
        }
 }
 
 void game_motion(int x, int y)
 {
-       game_mx = x;
-       game_my = y;
+       mouse_x = x;
+       mouse_y = y;
+
+       if(cur_scr && cur_scr->motion) {
+               cur_scr->motion(x, y);
+       }
+}
+
+void game_chscr(struct game_screen *scr)
+{
+       if(!scr) return;
+
+       if(scr->start && scr->start() == -1) {
+               return;
+       }
+
+       if(cur_scr && cur_scr->stop) {
+               cur_scr->stop();
+       }
+       cur_scr = scr;
 }