Map loading and rendering

src/rpg/rpg.c

@@ -31,7 +31,7 @@ errorret_t rpgInit(void) {
   entityInit(ent, ENTITY_TYPE_PLAYER);
   RPG_CAMERA.mode = RPG_CAMERA_MODE_FOLLOW_ENTITY;
   RPG_CAMERA.followEntity.followEntityId = ent->id;
-  ent->position.x = 4, ent->position.y = 4;
+  ent->position.x = 0, ent->position.y = 0;
 
   ent = &ENTITIES[1];
   entityInit(ent, ENTITY_TYPE_NPC);

src/rpg/rpgcamera.c

@@ -26,11 +26,12 @@ void rpgCameraUpdate(void) {
       entity_t *entity = &ENTITIES[RPG_CAMERA.followEntity.followEntityId];
       if(entity->type == ENTITY_TYPE_NULL) return;
 
-      // Update map position to match camera.
+      // Update map position to match camera. By default map wants to know the
+      // top left but we want to set the center, so we need to sub half map size
       mapPositionSet(
-        (int16_t)(entity->position.x / CHUNK_WIDTH),
-        (int16_t)(entity->position.y / CHUNK_HEIGHT),
-        (int16_t)(entity->position.z / CHUNK_DEPTH)
+        (int16_t)(entity->position.x / CHUNK_WIDTH) - (MAP_CHUNK_WIDTH / 2),
+        (int16_t)(entity->position.y / CHUNK_HEIGHT) - (MAP_CHUNK_HEIGHT / 2),
+        (int16_t)(entity->position.z / CHUNK_DEPTH) - (MAP_CHUNK_DEPTH / 2)
       );
       break;
     }

src/rpg/world/chunk.h

@@ -8,9 +8,9 @@
 #pragma once
 #include "rpg/world/tile.h"
 
-#define CHUNK_WIDTH 16
-#define CHUNK_HEIGHT 16
-#define CHUNK_DEPTH 16
+#define CHUNK_WIDTH 4
+#define CHUNK_HEIGHT 4
+#define CHUNK_DEPTH 32
 #define CHUNK_TILE_COUNT (CHUNK_WIDTH * CHUNK_HEIGHT * CHUNK_DEPTH)
 
 typedef struct chunk_s {

src/rpg/world/map.h

@@ -8,9 +8,9 @@
 #pragma once
 #include "rpg/world/chunk.h"
 
-#define MAP_CHUNK_WIDTH 4
-#define MAP_CHUNK_HEIGHT 4
-#define MAP_CHUNK_DEPTH 4
+#define MAP_CHUNK_WIDTH 3
+#define MAP_CHUNK_HEIGHT 3
+#define MAP_CHUNK_DEPTH 1
 #define MAP_CHUNK_COUNT (MAP_CHUNK_WIDTH * MAP_CHUNK_HEIGHT * MAP_CHUNK_DEPTH)
 
 typedef struct map_s {