xlib_playground

commit 8ffa18bbfb20799020f4a99a1ec9d3ac8f858ff2
parent 8ab1c705d3044bf35335602858aa326e4fd51527
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Sat, 31 Dec 2022 12:14:06 +0900

add collision handling for linked list

Diffstat:
M
ex8/main.c
 | 
34
++++++++++++++++++++++++++++++++--

1 file changed, 32 insertions(+), 2 deletions(-)
diff --git a/ex8/main.c b/ex8/main.c
@@ -54,6 +54,7 @@ void receive_events(enum key_state[]);
 void handle_inputs(enum key_state[]);
 /* sort */
 void sort_blocks(int colliding_blocks[], int distance[], int count);
+void sort_ll(struct ObjectList *ol, struct Object *player);
 
 void
 start_menu(void)
@@ -178,8 +179,37 @@ game_play(void)
 			}
 
 
-			for (int i = 0; i < NUM_BLOCK; i++)
-				next_tick(&block[i], 1e9 / FPS / SUB_TICK);
+			struct ObjectList *collidings, *cur;
+			collidings = NULL;
+			for (int xi = (int) player.p.x / BLOCK_SIZE;
+				xi <= (int) player.p.x / BLOCK_SIZE + 1 && xi < WORLD_WIDTH;
+				xi++) {
+				blc[xi] = blh[xi];
+				while (blc[xi] != NULL) {
+					if (test_collision(&player, blc[xi]->o)) {
+						if (collidings == NULL) {
+							collidings = (struct ObjectList *)malloc(
+								sizeof(struct ObjectList));
+							collidings->o = NULL;
+							collidings->next = NULL;
+							cur = collidings;
+						} else {
+							cur->next = (struct ObjectList *)malloc(
+								sizeof(struct ObjectList));
+							cur = cur->next;
+							cur->next = NULL;
+						}
+						cur->o = blc[xi]->o;
+					}
+					blc[xi] = blc[xi]->next;
+				}
+			}
+			//sort_ll(collidings, &player);
+			cur = collidings;
+			while (cur != NULL) {
+				handle_collision_mf(&player, cur->o);
+				cur = cur->next;
+			}
 
 			int colliding_blocks[9];
 			int distance[9];