Common update:

-added multiple new function to allocate template and add entity
-updated README.md (complete initial version)
-empty components now don't take memory
-fixedd small bug with TestRunner
-added many new tests (HashMap, Vector, EntityMeta, ...)
-added default hashing function to HashMap
-fixed critical bug with adding entities
-fixed small bug with adding entity with remplacement components
-added asserts into code to better bug detection
-small performance improvement for events
-added ComponentRef structure which contain data pointer and componentID
-remove EntityID from Event structure
-now events are handled before removing entiteis
-fixed GDC compilation
-fixed rendering of rotated sprites
-added weapons as separate entities to space ship and others
-added Tower enemy to SpaceInvaders demo
-added Boss to SpaceInvaders demo (boss has four tower attached to it)
-Boss towers shoot multiple bullets upon death
-fixed critical bug with demos switching
-fixed critical bug related to adding/removing entities form inside onAdd/onRemove entity callback
-added animation support
-added particles sypport and particles for firing and explostions, and more
-multithreaded rendering now has same rendering order as singlethreaded
-application automaticallu detect host CPU threads count
-added upgrades to SPaceInvaders demo
-fixed texture memory freeing
-improved documentation
-improved multithreaded performance
-improve shader code
-fixed registration issue
-some additional performance improvements
-added depth and colors to rendering parameters
-jobs now has names corresponding to their systems
-change execute() -> willExecute()
-added EntityMeta structure to speedup getting fetching components form entity
-improved multithreading rendering
-added possibility tio change number of threads runtime
-added bullets collision detection in SpaceInvaders demo
-some CI changes
-added VBO batch rendering (current default, no render mode switch yet)
-fixed camera positioning calculation
-fixed buffer issue with WebGL
-added viewport scalling (at least 300 pixels height). Pixels are scalled if screen is bigger.
-center demos gameplay area
-added fullpage html template for Emscripten build
-added many new sprites to atlas
-fixed critical bug with CPU usage in multithreaded mode
-snake render tile coresponding to body part
-snake is destroyed after collision and emit some particles
-added some functionality to vectors
-fixed documentation issue in Manager.d
-more minor code changes and cleanup

demos/utils/source/ecs_utils/gfx/texture.d

@@ -2,7 +2,7 @@ module ecs_utils.gfx.texture;
 
 import bindbc.sdl;
 
-import ecs.std;
+import bubel.ecs.std;
 
 import ecs_utils.math.vector;
 
@@ -54,6 +54,8 @@ struct Texture
             data.data = Mallocator.makeArray!ubyte(surf.w*surf.h*surf.format.BytesPerPixel);
             data.data[0..$] = (cast(ubyte*)surf.pixels)[0..data.data.length];
 
+            SDL_FreeSurface(surf);
+
             glGenTextures(1, &data.gl_handle);
             glActiveTexture(GL_TEXTURE0);
             glBindTexture(GL_TEXTURE_2D,data.gl_handle);
@@ -78,11 +80,12 @@ struct Texture
         glBindTexture(GL_TEXTURE_2D, data.gl_handle);
     }
 
-    void destory()
+    void destory() @nogc nothrow
     {
         if(data)
         {
             glDeleteTextures(1, &data.gl_handle);
+            if(data.data)Mallocator.dispose(data.data);
             Mallocator.dispose(data);
             data = null;
         }