Basic NPC loading (half done)

src/duskraylib/display/draw/drawoverworld.c

@@ -9,6 +9,7 @@
 #include "world/chunk.h"
 #include "world/overworld.h"
 #include "display/render.h"
+#include "assert/assert.h"
 
 Camera2D DRAW_OVERWORLD_CAMERA = { 0 };
 
@@ -36,6 +37,7 @@ void drawOverworldDraw(void) {
   
   BeginMode2D(DRAW_OVERWORLD_CAMERA);
 
+  // Bottom layer
   chunk_t *chunk = CHUNK_MAP.chunks;
   do {
     DrawRectangle(
@@ -48,5 +50,62 @@ void drawOverworldDraw(void) {
     chunk++;
   } while(chunk < CHUNK_MAP.chunks + CHUNK_MAP_COUNT);
 
+  // Entities
+  entity_t *entity = ENTITIES;
+  do {
+    drawOverworldDrawEntity(entity++);
+  } while(entity->type != ENTITY_TYPE_NULL);
+
   EndMode2D();
+}
+
+
+void drawOverworldDrawEntity(const entity_t *entity) {
+  assertNotNull(entity, "Entity pointer cannot be NULL");
+
+  uint32_t x = (uint32_t)floorf(entity->x);
+  uint32_t y = (uint32_t)floorf(entity->y);
+
+  DrawRectangle(
+    x,
+    y,
+    TILE_WIDTH,
+    TILE_HEIGHT,
+    (entity->type == ENTITY_TYPE_PLAYER) ? BLUE : YELLOW
+  );
+  
+  switch(entity->dir) {
+    case ENTITY_DIR_NORTH:
+      DrawTriangle(
+        (Vector2){ x + TILE_WIDTH / 2, y },
+        (Vector2){ x, y + TILE_HEIGHT },
+        (Vector2){ x + TILE_WIDTH, y + TILE_HEIGHT },
+        WHITE
+      );
+      break;
+    case ENTITY_DIR_SOUTH:
+      DrawTriangle(
+        (Vector2){ x + TILE_WIDTH / 2, y + TILE_HEIGHT },
+        (Vector2){ x + TILE_WIDTH, y },
+        (Vector2){ x, y },
+        WHITE
+      );
+      break;
+    case ENTITY_DIR_WEST:
+      DrawTriangle(
+        (Vector2){ x, y + TILE_HEIGHT / 2 },
+        (Vector2){ x + TILE_WIDTH, y + TILE_HEIGHT },
+        (Vector2){ x + TILE_WIDTH, y },
+        WHITE
+      );
+      break;
+    case ENTITY_DIR_EAST:
+      DrawTriangle(
+        (Vector2){ x + TILE_WIDTH, y + TILE_HEIGHT / 2 },
+        (Vector2){ x, y },
+        (Vector2){ x, y + TILE_HEIGHT },
+        WHITE
+      );
+      break;
+  }
 }