Different template mechanism

game/src/chunk/chunkman.c

@@ -256,8 +256,7 @@ chunkman_generate_Chunk_at (int cx, int cz)
 
 	  if (rand() % 100 < 2)
 	    {
-	      Entity *tree = malloc (sizeof (Entity));
-	      *tree = ETEMPLGET ("tree");
+	      Entity *tree = ent_templates_clone ("tree");
 	      tree->position[0] = x + xoffset;
 	      tree->position[1] = chunk->heightmap [INDEX (x, z)];
 	      tree->position[2] = z + zoffset;
@@ -268,8 +267,7 @@ chunkman_generate_Chunk_at (int cx, int cz)
 
 	  if (rand() % 100 < 10)
 	    {
-	      Entity *grass = malloc (sizeof (Entity));
-	      *grass = ETEMPLGET ("grass");
+	      Entity *grass = ent_templates_clone ("grass");
 	      grass->position[0] = x + xoffset;
 	      grass->position[1] = chunk->heightmap [INDEX (x, z)];
 	      grass->position[2] = z + zoffset;

game/src/entity/templates.c

@@ -8,10 +8,16 @@ ent_templates_add (char *key, Entity *entity)
   g_hash_table_insert (templates, key, entity);
 }
 
-Entity
+Entity *
 ent_templates_get (char *key)
 {
-  return *(Entity *) g_hash_table_lookup (templates, key);
+  return (Entity *) g_hash_table_lookup (templates, key);
+}
+
+Entity *
+ent_templates_clone (char *key)
+{
+  return g_memdup2 (ent_templates_get (key), sizeof (Entity));
 }
 
 void

game/src/entity/templates.h

@@ -8,7 +8,6 @@
 #include "entity.h"
 #include "../resources.h"
 
-#define ETEMPLGET(key) (ent_templates_get (key))
-
 void ent_templates_init ();
-Entity ent_templates_get (char *key);
+Entity *ent_templates_clone (char *key);
+Entity *ent_templates_get (char *key);