a-game

commit a9cdd9ac36ae6978e4b5130f3031e28f8669b152
parent b3a5599f20db1d635b64eaa3173918dc6bff4005
Author: Amin Mesbah <dev@aminmesbah.com>
Date:   Sun,  9 Jun 2019 17:19:47 -0700

Stop player at world edge

Diffstat:
M
src/game.c
 | 
30
+++++++++++++++++++++++++++---

1 file changed, 27 insertions(+), 3 deletions(-)
diff --git a/src/game.c b/src/game.c
@@ -423,10 +423,9 @@ void game_update_and_render(struct GameMemory *game_memory, struct GameInput *ga
                                 .min = {tile_x, tile_y},
                                 .max = {tile_x + TILE_SIZE, tile_y + TILE_SIZE},
                             };
-
-                            rect tile_player_sum = math_minkowski_sum_rect_rect(tile_aabb, player->dimensions);
                             RENDER_COLLISION_DEBUG_QUAD(tile_aabb, ((v3) {0.8f, 0.4f, 0.4f}));
 
+                            rect tile_player_sum = math_minkowski_sum_rect_rect(tile_aabb, player->dimensions);
                             segment tile_sum_b = math_rect_get_edge(tile_player_sum, RECT_EDGE_BOTTOM);
                             segment tile_sum_t = math_rect_get_edge(tile_player_sum, RECT_EDGE_TOP);
                             segment tile_sum_l = math_rect_get_edge(tile_player_sum, RECT_EDGE_LEFT);
@@ -546,7 +545,32 @@ void game_update_and_render(struct GameMemory *game_memory, struct GameInput *ga
         }
 #undef RENDER_COLLISION_DEBUG_QUAD
 
-        player->pos = world_pos_recanonicalize(player->pos);
+        struct AbsolutePos new_player_p = world_pos_recanonicalize(player->pos);
+
+        if (world_room_get(game_state->world, new_player_p.room))
+        {
+            player->pos = new_player_p;
+        }
+        else
+        {
+            if(player->pos.local.x < 0.0f && !world_room_get(game_state->world, (v2i) {current_room_i.x - 1, current_room_i.y}))
+            {
+                player->pos.local.x = 0.0f;
+            }
+            else if (player->pos.local.x > ROOM_TILE_DIM_X && !world_room_get(game_state->world, (v2i) {current_room_i.x + 1, current_room_i.y}))
+            {
+                player->pos.local.x = ROOM_TILE_DIM_X;
+            }
+            if(player->pos.local.y < 0.0f && !world_room_get(game_state->world, (v2i) {current_room_i.x, current_room_i.y - 1}))
+            {
+                player->pos.local.y = 0.0f;
+            }
+            else if (player->pos.local.y > ROOM_TILE_DIM_Y && !world_room_get(game_state->world, (v2i) {current_room_i.x, current_room_i.y + 1}))
+            {
+                player->pos.local.y = ROOM_TILE_DIM_Y;
+            }
+            player->pos = world_pos_recanonicalize(player->pos);
+        }
     }
 
     // game_render_player