Fix crash when your model is a block and you are holding air in inven…

…tory

src/Model.c

@@ -1444,7 +1444,7 @@ static struct Model* ZombieModel_GetInstance(void) {
 /*########################################################################################################################*
 *---------------------------------------------------------BlockModel------------------------------------------------------*
 *#########################################################################################################################*/
-static struct Model block_model = { "block" };
+static struct Model block_model = { "block", NULL, &human_tex };
 static BlockID bModel_block = BLOCK_AIR;
 static Vector3 bModel_minBB, bModel_maxBB;
 static int bModel_lastTexIndex = -1, bModel_texIndex;

src/Window.h

@@ -1,6 +1,7 @@
 #ifndef CC_WINDOW_H
 #define CC_WINDOW_H
 #include "String.h"
+#include "Bitmap.h"
 /* Abstracts creating and managing a native window.
    Copyright 2017 ClassicalSharp | Licensed under BSD-3 | Based on OpenTK code
 */
@@ -100,9 +101,15 @@ bool Window_GetCursorVisible(void);
 /* NOTE: You must be careful with this! OS typically uses a counter for visibility,
 so setting invisible multiple times means you must then set visible multiple times. */
 void Window_SetCursorVisible(bool visible);
+
 /* Shows a dialog box window. */
 CC_EXPORT void Window_ShowDialog(const char* title, const char* msg);
 
+void Window_DrawerInit(void);
+void Window_DrawerFree(void);
+void Window_DrawerGet(Bitmap* bmp, int width, int height);
+void Window_Redraw(Bitmap* bmp, Rect2D r);
+
 #ifndef CC_BUILD_D3D9
 /* Initialises an OpenGL context that most closely matches the input arguments. */
 /* NOTE: You must have created a window beforehand, as the GL context is attached to the window. */