interact dist

src/dusk/entity/entity.c

@@ -26,7 +26,7 @@ void entityInit(entity_t *entity, const entitytype_t type) {
   assertTrue(type < ENTITY_TYPE_COUNT, "Entity type out of bounds");
   assertNotNull(
     ENTITY_CALLBACKS[type].init,
-    "Entity type has no init callback"
+    "Entity type has no i nit callback"
   );
   
   memoryZero(entity, sizeof(entity_t));

src/dusk/entity/player.c

@@ -82,5 +82,39 @@ void playerNPCUpdate(entity_t *entity) {
   } else {
     entity->vx = 0;
     entity->vy = 0;
+
+    // Interact
+    if(inputPressed(INPUT_BIND_ACTION)) {
+      entity_t *other = ENTITIES;
+      do {
+        if(other == entity || other->type == ENTITY_TYPE_NULL) {
+          other++;
+          continue;
+        }
+
+        fixed248_t distanceX = fx248Subfx248(other->x, entity->x);
+        fixed248_t distanceY = fx248Subfx248(other->y, entity->y);
+        fixed248_t distance = fx248Sqrt(
+          fx248Addfx248(
+            fx248Mulfx248(distanceX, distanceX),
+            fx248Mulfx248(distanceY, distanceY)
+          )
+        );
+        
+        if(other->id == 102) {
+          printf("Distance to entity %u: %f\n", other->id, fx248Tof32(distance));
+        }
+
+        if(distance > PLAYER_INTERACT_RANGE) {
+          other++;
+          continue;
+        }
+        
+
+        printf("Interacting with entity %u\n", other->id);
+        other++;
+
+      } while(other != ENTITIES + ENTITY_COUNT_MAX);
+    }
   }
 }

src/dusk/entity/player.h

@@ -18,6 +18,7 @@ typedef struct {
 #define PLAYER_ENTITY_ID (UINT32_MAX-1)
 #define PLAYER_MOVE_SPEED FIXED248(1, 0)
 #define PLAYER_MOVE_SPEED_XY FIXED248(0, 80)
+#define PLAYER_INTERACT_RANGE FIXED248((TILE_WIDTH_HEIGHT + (TILE_WIDTH_HEIGHT / 3)), 0)
 
 /**
  * Initializes the player and all player-related entities.