Function CheckAssetHandle

engine/render/src/render/render_script.cpp:1085–1103

    }

    static dmGraphics::HAssetHandle CheckAssetHandle(lua_State* L, int index, dmGraphics::HContext graphics_context, dmGraphics::AssetType expected_type)
    {
        assert(lua_isnumber(L, index));

        dmGraphics::HAssetHandle asset_handle = (dmGraphics::HAssetHandle) lua_tonumber(L, 1);
        if (!dmGraphics::IsAssetHandleValid(graphics_context, asset_handle))
        {
            char buf[128];
            luaL_error(L, "Asset handle '%s' is not valid.", AssetHandleToString(asset_handle, buf, sizeof(buf)));
            return (dmGraphics::HAssetHandle) -1;
        }
        else if (dmGraphics::GetAssetType(asset_handle) != expected_type)
        {
            char buf[128];
            luaL_error(L, "Asset handle '%s' does not have the correct type.", AssetHandleToString(asset_handle, buf, sizeof(buf)));
            return (dmGraphics::HAssetHandle) -1;
        }
        return asset_handle;
    }

    static dmGraphics::HRenderTarget CheckRenderTarget(lua_State* L, int index, RenderScriptInstance* i)
    {