1 files changed, 77 insertions, 0 deletions
diff --git a/src/gunner/texture_sys.c b/src/gunner/texture_sys.c
new file mode 100644
index 0000000..2865728
--- /dev/null
+++ b/src/gunner/texture_sys.c
@@ -0,0 +1,77 @@
+#define MAX_TEX_SIZE 16
+
+static Texture2D texture_slots[MAX_TEX_SIZE] = {0};
+static i32 texture_modtimes[MAX_TEX_SIZE] = {0};
+static s8 texture_paths[MAX_TEX_SIZE] = {0};
+
+void init_tex_sys(void)
+{
+    for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
+        texture_modtimes[i] = BLANK_DEFAULT;
+    }
+}
+
+i32 load_new_tex(const char* path)
+{
+	s8 path_str = cstr_to_s8(path);
+	
+    i32 current_idx = BLANK_DEFAULT;
+    for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
+		
+		if(equal_s8(path_str, texture_paths[current_idx])){
+			free_s8(&path_str);
+			return i;
+		}
+		
+        if(texture_slots[i].id <= 0){
+            current_idx = i;
+            texture_slots[current_idx] = LoadTexture((const char*)path_str.buf);
+            texture_modtimes[current_idx] = GetFileModTime((const char*)path_str.buf);
+            texture_paths[current_idx] = path_str;
+            break;
+        }
+    }
+	//TODO: Handle slots a bit better.
+	assert(current_idx != BLANK_DEFAULT);
+    
+    return current_idx;
+}
+
+void draw_texture(i32 idx, i32 x, i32 y)
+{
+	assert(idx >= 0 && idx < MAX_TEX_SIZE);
+    DrawTexture(texture_slots[idx], x, y, WHITE);
+}
+
+void update_textures(void)
+{
+    for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
+        if(texture_slots[i].id > 0){
+            i32 current_mod = GetFileModTime((const char*)texture_paths[i].buf);
+            
+            if(current_mod != texture_modtimes[i]){
+                texture_modtimes[i] = current_mod;
+                
+                UnloadTexture(texture_slots[i]);
+                texture_slots[i] = LoadTexture((const char*)texture_paths[i].buf);
+            }
+        }
+    }
+}
+
+void unload_tex(i32 idx)
+{
+	assert(idx >= 0 && idx < MAX_TEX_SIZE);
+	
+    UnloadTexture(texture_slots[idx]);
+    texture_modtimes[idx] = BLANK_DEFAULT;
+    free_s8(&texture_paths[idx]);
+}
+
+void unload_active_textures(void)
+{
+    for(i32 i = 0; i < MAX_TEX_SIZE; ++i){
+        if(texture_slots[i].id > 0)
+            unload_tex(i);
+    }
+}