Made a big mess of the codebase

src/rpg/entity/entity.h

@@ -0,0 +1,99 @@
+/**
+ * Copyright (c) 2025 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include "direction.h"
+#include "player.h"
+#include "npc.h"
+
+#define ENTITY_COUNT_MAX 32
+#define ENTITY_TURN_DURATION 0.075f // Duration for turning in seconds
+#define ENTITY_MOVE_DURATION 0.1f // Duration for moving 1 tile, in seconds.
+#define ENTITY_PLAYER_INDEX 0
+
+typedef enum {
+  ENTITY_TYPE_NULL = 0,
+  ENTITY_TYPE_PLAYER = 1,
+  ENTITY_TYPE_NPC = 2,
+} entitytype_t;
+#define ENTITY_TYPE_COUNT 3
+
+typedef struct _entity_t {
+  uint32_t id;// Completely unique ID for this entity.
+  int32_t x, y;
+  int8_t subX, subY;
+  uint8_t moveSpeed;
+
+  entitytype_t type;
+  direction_t dir;
+
+  union {
+    npc_t npc;
+    playerentity_t player;
+  };
+} entity_t;
+
+// typedef struct {
+//   void (*load) (entity_t *entity, const entity_t *source);
+//   void (*update) (entity_t *entity);
+//   void (*interact)(entity_t *player, entity_t *self);
+// } entitycallback_t;
+
+extern entity_t ENTITIES[ENTITY_COUNT_MAX];
+// extern entitycallback_t ENTITY_CALLBACKS[ENTITY_TYPE_COUNT];
+
+/**
+ * Loads an entity from the generated entity data.
+ * 
+ * @param entity Pointer to the entity to initialize.
+ * @param source Pointer to the source entity data.
+ */
+void entityInit(entity_t *entity);
+
+/**
+ * Updates the entity's state.
+ * 
+ * @param entity Pointer to the entity to update.
+ */
+void entityUpdate(entity_t *entity);
+
+/**
+ * Moves the entity by the specified x and y offsets.
+ * 
+ * @param entity Pointer to the entity to move.
+ * @param moveSpeed The speed at which to move the entity.
+ */
+void entityMove(entity_t *entity, const uint8_t moveSpeed);
+
+/**
+ * Turns the entity to face the specified direction.
+ * 
+ * @param entity Pointer to the entity to turn.
+ * @param dir The direction to turn the entity to.
+ */
+void entityTurn(entity_t *entity, const direction_t dir);
+
+/**
+ * Returns whether or not an entity is currently moving.
+ * 
+ * @param entity Pointer to the entity to check.
+ * @return True if the entity is moving, false otherwise.
+ */
+bool_t entityIsMoving(const entity_t *entity);
+
+/**
+ * Gets the entity at the specified tile coordinates.
+ * 
+ * @param tileX The x coordinate of the tile to get the entity from.
+ * @param tileY The y coordinate of the tile to get the entity from.
+ * @return Pointer to the entity at the specified coordinates, or NULL if no
+ *         entity exists there.
+ */
+entity_t *entityGetAt(
+  const int32_t tileX,
+  const int32_t tileY
+);