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FATAL ERROR in Vertex Shader compilation
ShaderName: shader_hurtflash
D3DXCompile failed - result
at gml_Object_parent_enemy_Draw_0
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Viewing post in Yal's Basic Dungeon Crawler Engine comments
If this error is displayed, it means your computer doesn't support shaders. One possibility could be that you don't have the DirectX 9 runtime installed, you should be able to get it from here: https://www.microsoft.com/en-us/download/details.aspx?displaylang=en&id=35
If that fails, the problem is probably that your GPU doesn't support OpenGL, and you'll need to remove the shader from the game (and remove the code in parent_enemy that sets and resets the shader before drawing, so you don't have a reference to a nonexistent resource).