Userdata objects can be referenced with lightuserdata.

API.md

@@ -3090,7 +3090,7 @@ Load image from file into CPU memory (RAM)
 
 ---
 
-> image = RL.LoadImageFromTexture( Texture2D texture )
+> image = RL.LoadImageFromTexture( Texture texture )
 
 Load image from GPU texture data
 
@@ -3665,7 +3665,7 @@ Get OpenGL framebuffer object id
 
 > texture = RL.GetRenderTextureTexture( RenderTexture renderTexture )
 
-Get color buffer attachment texture
+Get color buffer attachment texture. Returns as lightuserdata
 
 - Success return Texture
 
@@ -3673,7 +3673,7 @@ Get color buffer attachment texture
 
 > texture = RL.GetRenderTextureDepthTexture( RenderTexture renderTexture )
 
-Get depth buffer attachment texture
+Get depth buffer attachment texture. Returns as lightuserdata
 
 - Success return Texture
 
@@ -4170,7 +4170,7 @@ Load material from table. See material table definition
 
 ---
 
-> RL.SetMaterialTexture( Material material, int mapType, Texture2D texture )
+> RL.SetMaterialTexture( Material material, int mapType, Texture texture )
 
 Set texture for a material map type (MATERIAL_MAP_ALBEDO, MATERIAL_MAP_METALNESS...)
 
@@ -4228,7 +4228,7 @@ Get color from material map type
 
 Get material shader
 
-- Success return Shader
+- Success return Shader. Returns as lightuserdata
 
 ---
 

ReiLua_API.lua

@@ -2619,13 +2619,13 @@ function RL.GetTextureFormat( texture ) end
 ---@return any id 
 function RL.GetRenderTextureId( renderTexture ) end
 
----Get color buffer attachment texture
+---Get color buffer attachment texture. Returns as lightuserdata
 ---- Success return Texture
 ---@param renderTexture any
 ---@return any texture 
 function RL.GetRenderTextureTexture( renderTexture ) end
 
----Get depth buffer attachment texture
+---Get depth buffer attachment texture. Returns as lightuserdata
 ---- Success return Texture
 ---@param renderTexture any
 ---@return any texture 
@@ -3178,7 +3178,7 @@ function RL.GetMaterialColor( material, mapType ) end
 function RL.GetMaterialValue( material, mapType ) end
 
 ---Get material shader
----- Success return Shader
+---- Success return Shader. Returns as lightuserdata
 ---@param material any
 ---@return any shader 
 function RL.GetMaterialShader( material ) end

changelog

@@ -8,6 +8,7 @@ KEY CHANGES:
 	- CHANGED: ModelAnimations are changed to separate ModelAnimation types as in Raylib.
 	- ADDED: LoadTextureFromData.
 	- ADDED: LoadRenderTextureFromData.
+	- ADDED: Userdata objects can be referenced with lightuserdata.
 
 DETAILED CHANGES:
 	- CHANGED: GenImageColor now takes Vector2 as size.

devnotes

@@ -1,5 +1,4 @@
 Current {
-	* Fix examples.
 }
 
 Backlog {

examples/pixelated/main.lua

@@ -5,7 +5,6 @@ local monitor = 0
 local mPos = RL.GetMonitorPosition( monitor )
 local mSize = RL.GetMonitorSize( monitor )
 local framebuffer = nil
-local framebufferTex = nil
 local res = { 320, 180 }
 local scale = 5
 local winSize = { res[1] * scale, res[2] * scale }
@@ -18,7 +17,6 @@ function RL.init()
 	tex = RL.LoadTexture( RL.GetBasePath().."../resources/images/cat.png" )
 	-- Create framebuffer.
 	framebuffer = RL.LoadRenderTexture( res )
-	framebufferTex = RL.GetRenderTextureTexture( framebuffer )
 end
 
 function RL.process( delta )
@@ -52,5 +50,5 @@ function RL.draw()
 		RL.DrawTriangle( { 0, 32 }, { 32, 16 }, { 0, 0 }, RL.RED )
 	RL.EndTextureMode()
 
-	RL.DrawTexturePro( framebufferTex, { 0, 0, res[1], -res[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, { 255, 255, 255 } )
+	RL.DrawTexturePro( RL.GetRenderTextureTexture( framebuffer ), { 0, 0, res[1], -res[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, { 255, 255, 255 } )
 end

examples/platformer/main.lua

@@ -16,7 +16,6 @@ local res = Vec2:new( 160, 144 )
 local winScale = 5
 local winSize = res:scale( winScale )
 local framebuffer = RL.LoadRenderTexture( res )
-local framebufferTex = RL.GetRenderTextureTexture( framebuffer )
 local monitor = 0
 local tilemap = {
 	size = Vec2:new( res.x / TILE_SIZE, res.y / TILE_SIZE ),
@@ -294,12 +293,6 @@ function RL.draw()
 		drawPlayer()
 	RL.EndTextureMode()
 
-	-- local framebufferTex = RL.GetRenderTextureTexture( framebuffer )
+	RL.DrawTexturePro( RL.GetRenderTextureTexture( framebuffer ), { 0, 0, res.x, -res.y }, { 0, 0, winSize.x, winSize.y }, { 0, 0 }, 0.0, RL.WHITE )
-	-- local texId = RL.GetTextureId( framebufferTex )
-	-- print( "texId", texId )
-
-	RL.DrawTexturePro( framebufferTex, { 0, 0, res.x, -res.y }, { 0, 0, winSize.x, winSize.y }, { 0, 0 }, 0.0, RL.WHITE )
-
-	-- collectgarbage( "collect" )
 	-- RL.glBlitFramebuffer( framebuffer, -1, res, winSize, RL.GL_COLOR_BUFFER_BIT, RL.GL_NEAREST )
 end

examples/snake/main.lua

@@ -6,7 +6,6 @@ local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum wannabe.
 
 -- Resources
 local framebuffer = nil
-local framebufferTex = nil
 local monitor = 0
 local monitorPos = RL.GetMonitorPosition( monitor )
 local monitorSize = RL.GetMonitorSize( monitor )
@@ -74,7 +73,6 @@ function RL.init()
 	RL.SetWindowIcon( RL.LoadImage( RL.GetBasePath().."../resources/images/apple.png" ) )
 
 	framebuffer = RL.LoadRenderTexture( RESOLUTION )
-	framebufferTex = RL.GetRenderTextureTexture( framebuffer )
 	grassTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/grass.png" )
 	snakeTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/snake.png" )
 	appleTexture = RL.LoadTexture( RL.GetBasePath().."../resources/images/apple.png" )
@@ -220,5 +218,5 @@ function RL.draw()
 	RL.EndTextureMode()
 
 	-- Draw framebuffer to window.
-	RL.DrawTexturePro( framebufferTex, { 0, 0, RESOLUTION[1], -RESOLUTION[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, RL.WHITE )
+	RL.DrawTexturePro( RL.GetRenderTextureTexture( framebuffer ), { 0, 0, RESOLUTION[1], -RESOLUTION[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, RL.WHITE )
 end

include/lua_core.h

@@ -57,6 +57,21 @@ Ray uluaGetRay( lua_State *L );
 Ray uluaGetRayIndex( lua_State *L, int index );
 NPatchInfo uluaGetNPatchInfo( lua_State *L );
 NPatchInfo uluaGetNPatchInfoIndex( lua_State *L, int index );
+Image* uluaGetImage( lua_State *L, int index );
+Texture* uluaGetTexture( lua_State *L, int index );
+RenderTexture* uluaGetRenderTexture( lua_State *L, int index );
+Shader* uluaGetShader( lua_State *L, int index );
+Mesh* uluaGetMesh( lua_State *L, int index );
+Camera2D* uluaGetCamera2D( lua_State *L, int index );
+Camera3D* uluaGetCamera3D( lua_State *L, int index );
+Font* uluaGetFont( lua_State *L, int index );
+Wave* uluaGetWave( lua_State *L, int index );
+Sound* uluaGetSound( lua_State *L, int index );
+Music* uluaGetMusic( lua_State *L, int index );
+Light* uluaGetLight( lua_State *L, int index );
+Material* uluaGetMaterial( lua_State *L, int index );
+Model* uluaGetModel( lua_State *L, int index );
+ModelAnimation* uluaGetModelAnimation( lua_State *L, int index );
 /* Push types. */
 void uluaPushColor( lua_State *L, Color color );
 void uluaPushVector2( lua_State *L, Vector2 vector );

src/audio.c

@@ -72,7 +72,7 @@ Load sound from wave data
 - Success return Sound
 */
 int laudioLoadSoundFromWave( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 
 	uluaPushSound( L, LoadSoundFromWave( *wave ) );
 
@@ -87,7 +87,7 @@ Export wave data to file, returns true on success
 - Success return bool
 */
 int laudioExportWave( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 
 	lua_pushboolean( L, ExportWave( *wave, luaL_checkstring( L, 2 ) ) );
 
@@ -102,7 +102,7 @@ Export wave sample data to code (.h), returns true on success
 - Success return true
 */
 int laudioExportWaveAsCode( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 
 	lua_pushboolean( L, ExportWaveAsCode( *wave, luaL_checkstring( L, 2 ) ) );
 
@@ -119,7 +119,7 @@ int laudioExportWaveAsCode( lua_State *L ) {
 Play a sound
 */
 int laudioPlaySound( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 
 	PlaySound( *sound );
 
@@ -132,7 +132,7 @@ int laudioPlaySound( lua_State *L ) {
 Stop playing a sound
 */
 int laudioStopSound( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 
 	StopSound( *sound );
 
@@ -145,7 +145,7 @@ int laudioStopSound( lua_State *L ) {
 Pause a sound
 */
 int laudioPauseSound( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 
 	PauseSound( *sound );
 
@@ -158,7 +158,7 @@ int laudioPauseSound( lua_State *L ) {
 Resume a paused sound
 */
 int laudioResumeSound( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 
 	ResumeSound( *sound );
 
@@ -173,7 +173,7 @@ Check if a sound is currently playing
 - Success return bool
 */
 int laudioIsSoundPlaying( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 
 	lua_pushboolean( L, IsSoundPlaying( *sound ) );
 
@@ -186,7 +186,7 @@ int laudioIsSoundPlaying( lua_State *L ) {
 Set volume for a sound (1.0 is max level)
 */
 int laudioSetSoundVolume( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 	float volume = luaL_checknumber( L, 2 );
 
 	SetSoundVolume( *sound, volume );
@@ -200,7 +200,7 @@ int laudioSetSoundVolume( lua_State *L ) {
 Set pitch for a sound (1.0 is base level)
 */
 int laudioSetSoundPitch( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 	float pitch = luaL_checknumber( L, 2 );
 
 	SetSoundPitch( *sound, pitch );
@@ -214,7 +214,7 @@ int laudioSetSoundPitch( lua_State *L ) {
 Set pan for a sound (0.5 is center)
 */
 int laudioSetSoundPan( lua_State *L ) {
-	Sound *sound = luaL_checkudata( L, 1, "Sound" );
+	Sound *sound = uluaGetSound( L, 1 );
 	float pan = luaL_checknumber( L, 2 );
 
 	SetSoundPan( *sound, pan );
@@ -228,7 +228,7 @@ int laudioSetSoundPan( lua_State *L ) {
 Convert wave data to desired format
 */
 int laudioWaveFormat( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 	int sampleRate = luaL_checkinteger( L, 2 );
 	int sampleSize = luaL_checkinteger( L, 3 );
 	int channels = luaL_checkinteger( L, 4 );
@@ -246,7 +246,7 @@ Copy a wave to a new wave
 - Success return Wave
 */
 int laudioWaveCopy( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 
 	uluaPushWave( L, WaveCopy( *wave ) );
 
@@ -259,7 +259,7 @@ int laudioWaveCopy( lua_State *L ) {
 Crop a wave to defined samples range
 */
 int laudioWaveCrop( lua_State *L ) {
-	Wave *wave = luaL_checkudata( L, 1, "Wave" );
+	Wave *wave = uluaGetWave( L, 1 );
 	int initSample = luaL_checkinteger( L, 2 );
 	int finalSample = luaL_checkinteger( L, 3 );
 
@@ -297,7 +297,7 @@ int laudioLoadMusicStream( lua_State *L ) {
 Start music playing
 */
 int laudioPlayMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	PlayMusicStream( *music );
 
@@ -312,7 +312,7 @@ Check if music is playing
 - Success return bool
 */
 int laudioIsMusicStreamPlaying( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	lua_pushboolean( L, IsMusicStreamPlaying( *music ) );
 
@@ -325,7 +325,7 @@ int laudioIsMusicStreamPlaying( lua_State *L ) {
 Updates buffers for music streaming
 */
 int laudioUpdateMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	UpdateMusicStream( *music );
 
@@ -338,7 +338,7 @@ int laudioUpdateMusicStream( lua_State *L ) {
 Stop music playing
 */
 int laudioStopMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	StopMusicStream( *music );
 
@@ -351,7 +351,7 @@ int laudioStopMusicStream( lua_State *L ) {
 Pause music playing
 */
 int laudioPauseMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	PauseMusicStream( *music );
 
@@ -364,7 +364,7 @@ int laudioPauseMusicStream( lua_State *L ) {
 Resume playing paused music
 */
 int laudioResumeMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	ResumeMusicStream( *music );
 
@@ -377,7 +377,7 @@ int laudioResumeMusicStream( lua_State *L ) {
 Seek music to a position (in seconds)
 */
 int laudioSeekMusicStream( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 	float position = luaL_checknumber( L, 2 );
 
 	SeekMusicStream( *music, position );
@@ -391,7 +391,7 @@ int laudioSeekMusicStream( lua_State *L ) {
 Set volume for music (1.0 is max level)
 */
 int laudioSetMusicVolume( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 	float volume = luaL_checknumber( L, 2 );
 
 	SetMusicVolume( *music, volume );
@@ -405,7 +405,7 @@ int laudioSetMusicVolume( lua_State *L ) {
 Set pitch for a music (1.0 is base level)
 */
 int laudioSetMusicPitch( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 	float pitch = luaL_checknumber( L, 2 );
 
 	SetMusicPitch( *music, pitch );
@@ -419,7 +419,7 @@ int laudioSetMusicPitch( lua_State *L ) {
 Set pan for a music (0.5 is center)
 */
 int laudioSetMusicPan( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 	float pan = luaL_checknumber( L, 2 );
 
 	SetMusicPitch( *music, pan );
@@ -433,7 +433,7 @@ int laudioSetMusicPan( lua_State *L ) {
 Set looping for a music
 */
 int laudioSetMusicLooping( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 	bool looping = uluaGetBoolean( L, 2 );
 
 	music->looping = looping;
@@ -449,7 +449,7 @@ Get looping of a music
 - Success return bool
 */
 int laudioGetMusicLooping( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	lua_pushboolean( L, music->looping );
 
@@ -464,7 +464,7 @@ Get music time length (in seconds)
 - Success return float
 */
 int laudioGetMusicTimeLength( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	lua_pushnumber( L, GetMusicTimeLength( *music ) );
 
@@ -479,7 +479,7 @@ Get current music time played (in seconds)
 - Success return float
 */
 int laudioGetMusicTimePlayed( lua_State *L ) {
-	Music *music = luaL_checkudata( L, 1, "Music" );
+	Music *music = uluaGetMusic( L, 1 );
 
 	lua_pushnumber( L, GetMusicTimePlayed( *music ) );
 

src/core.c

@@ -258,7 +258,7 @@ int lcoreIsWindowResized( lua_State *L ) {
 Set icon for window (Only PLATFORM_DESKTOP)
 */
 int lcoreSetWindowIcon( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	SetWindowIcon( *image );
 
@@ -867,7 +867,7 @@ int lcoreLoadShaderFromMemory( lua_State *L ) {
 Begin custom shader drawing
 */
 int lcoreBeginShaderMode( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 
 	BeginShaderMode( *shader );
 
@@ -893,7 +893,7 @@ Get shader uniform location
 - Success return int
 */
 int lcoreGetShaderLocation( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 
 	lua_pushinteger( L, GetShaderLocation( *shader, luaL_checkstring( L, 2 ) ) );
 
@@ -908,7 +908,7 @@ Get shader attribute location
 - Success return int
 */
 int lcoreGetShaderLocationAttrib( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 
 	lua_pushinteger( L, GetShaderLocationAttrib( *shader, luaL_checkstring( L, 2 ) ) );
 
@@ -921,7 +921,7 @@ int lcoreGetShaderLocationAttrib( lua_State *L ) {
 Set shader location index
 */
 int lcoreSetShaderLocationIndex( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int shaderLocationIndex = luaL_checkinteger( L, 2 );
 	int location = luaL_checkinteger( L, 3 );
 
@@ -938,7 +938,7 @@ Get shader location index
 - Success return int
 */
 int lcoreGetShaderLocationIndex( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int shaderLocationIndex = luaL_checkinteger( L, 2 );
 
 	lua_pushinteger( L, shader->locs[ shaderLocationIndex ] );
@@ -952,7 +952,7 @@ int lcoreGetShaderLocationIndex( lua_State *L ) {
 Set shader uniform value (matrix 4x4)
 */
 int lcoreSetShaderValueMatrix( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int locIndex = luaL_checkinteger( L, 2 );
 	Matrix mat = uluaGetMatrixIndex( L, 3 );
 
@@ -967,9 +967,9 @@ int lcoreSetShaderValueMatrix( lua_State *L ) {
 Set shader uniform value for texture (sampler2d)
 */
 int lcoreSetShaderValueTexture( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int locIndex = luaL_checkinteger( L, 2 );
-	Texture *texture = luaL_checkudata( L, 3, "Texture" );
+	Texture *texture = uluaGetTexture( L, 3 );
 
 	SetShaderValueTexture( *shader, locIndex, *texture );
 
@@ -983,7 +983,7 @@ Set shader uniform value
 NOTE: Even one value should be in table
 */
 int lcoreSetShaderValue( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int locIndex = luaL_checkinteger( L, 2 );
 	size_t valueCount = uluaGetTableLenIndex( L, 3 );
 	int uniformType = luaL_checkinteger( L, 4 );
@@ -1025,7 +1025,7 @@ Set shader uniform value vector
 NOTE: Even one value should be in table
 */
 int lcoreSetShaderValueV( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
 	int locIndex = luaL_checkinteger( L, 2 );
 	size_t valueCount = uluaGetTableLenIndex( L, 3 );
 	int uniformType = luaL_checkinteger( L, 4 );
@@ -1933,7 +1933,7 @@ int lcoreCreateCamera2D( lua_State *L ) {
 Begin 2D mode with custom camera (2D)
 */
 int lcoreBeginMode2D( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 
 	BeginMode2D( *camera );
 
@@ -1957,7 +1957,7 @@ int lcoreEndMode2D( lua_State *L ) {
 Set camera target (rotation and zoom origin)
 */
 int lcoreSetCamera2DTarget( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	Vector2 target = uluaGetVector2Index( L, 2 );
 
 	camera->target = target;
@@ -1971,7 +1971,7 @@ int lcoreSetCamera2DTarget( lua_State *L ) {
 Set camera offset (displacement from target)
 */
 int lcoreSetCamera2DOffset( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	Vector2 offset = uluaGetVector2Index( L, 2 );
 
 	camera->offset = offset;
@@ -1985,7 +1985,7 @@ int lcoreSetCamera2DOffset( lua_State *L ) {
 Set camera rotation in degrees
 */
 int lcoreSetCamera2DRotation( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	float rotation = luaL_checknumber( L, 2 );
 
 	camera->rotation = rotation;
@@ -1999,7 +1999,7 @@ int lcoreSetCamera2DRotation( lua_State *L ) {
 Set camera zoom (scaling), should be 1.0f by default
 */
 int lcoreSetCamera2DZoom( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	float zoom = luaL_checknumber( L, 2 );
 
 	camera->zoom = zoom;
@@ -2015,7 +2015,7 @@ Get camera2D target
 - Success return Vector2
 */
 int lcoreGetCamera2DTarget( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 
 	uluaPushVector2( L, camera->target );
 
@@ -2030,7 +2030,7 @@ Get camera2D offset
 - Success return Vector2
 */
 int lcoreGetCamera2DOffset( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	uluaPushVector2( L, camera->offset );
 
 	return 1;
@@ -2044,7 +2044,7 @@ Get camera2D rotation
 - Success return float
 */
 int lcoreGetCamera2DRotation( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	lua_pushnumber( L, camera->rotation );
 
 	return 1;
@@ -2058,7 +2058,7 @@ Get camera2D zoom
 - Success return float
 */
 int lcoreGetCamera2DZoom( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 	lua_pushnumber( L, camera->zoom );
 
 	return 1;
@@ -2095,7 +2095,7 @@ int lcoreCreateCamera3D( lua_State *L ) {
 Begin 3D mode with custom camera (3D)
 */
 int lcoreBeginMode3D( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	BeginMode3D( *camera );
 
@@ -2119,7 +2119,7 @@ int lcoreEndMode3D( lua_State *L ) {
 Set camera position (Remember to call "RL.UpdateCamera3D()" to apply changes)
 */
 int lcoreSetCamera3DPosition( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	Vector3 pos = uluaGetVector3Index( L, 2 );
 
 	camera->position = pos;
@@ -2133,7 +2133,7 @@ int lcoreSetCamera3DPosition( lua_State *L ) {
 Set camera target it looks-at
 */
 int lcoreSetCamera3DTarget( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	Vector3 target = uluaGetVector3Index( L, 2 );
 
 	camera->target = target;
@@ -2147,7 +2147,7 @@ int lcoreSetCamera3DTarget( lua_State *L ) {
 Set camera up vector (Rotation over it's axis)
 */
 int lcoreSetCamera3DUp( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	Vector3 up = uluaGetVector3Index( L, 2 );
 
 	camera->up = up;
@@ -2161,7 +2161,7 @@ int lcoreSetCamera3DUp( lua_State *L ) {
 Set camera field-of-view apperture in Y (degrees) in perspective, used as near plane width in orthographic
 */
 int lcoreSetCamera3DFovy( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float fovy = luaL_checknumber( L, 2 );
 
 	camera->fovy = fovy;
@@ -2175,7 +2175,7 @@ int lcoreSetCamera3DFovy( lua_State *L ) {
 Set camera projection mode (CAMERA_PERSPECTIVE or CAMERA_ORTHOGRAPHIC)
 */
 int lcoreSetCamera3DProjection( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	int projection = luaL_checkinteger( L, 2 );
 
 	camera->projection = projection;
@@ -2191,7 +2191,7 @@ Get camera position
 - Success return Vector3
 */
 int lcoreGetCamera3DPosition( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, camera->position );
 
@@ -2206,7 +2206,7 @@ Get camera target it looks-at
 - Success return Vector3
 */
 int lcoreGetCamera3DTarget( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, camera->target );
 
@@ -2221,7 +2221,7 @@ Get camera up vector (Rotation over it's axis)
 - Success return Vector3
 */
 int lcoreGetCamera3DUp( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, camera->up );
 
@@ -2236,7 +2236,7 @@ Get camera field-of-view apperture in Y (degrees) in perspective, used as near p
 - Success return float
 */
 int lcoreGetCamera3DFovy( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	lua_pushnumber( L, camera->fovy );
 
@@ -2251,7 +2251,7 @@ Get camera projection mode
 - Success return int
 */
 int lcoreGetCamera3DProjection( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	lua_pushinteger( L, camera->projection );
 
@@ -2266,7 +2266,7 @@ Returns the cameras forward vector (normalized)
 - Success return Vector3
 */
 int lcoreGetCamera3DForward( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, GetCameraForward( camera ) );
 
@@ -2282,7 +2282,7 @@ Note: The up vector might not be perpendicular to the forward vector
 - Success return Vector3
 */
 int lcoreGetCamera3DUpNormalized( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, GetCameraUp( camera ) );
 
@@ -2297,7 +2297,7 @@ Returns the cameras right vector (normalized)
 - Success return Vector3
 */
 int lcoreGetCamera3DRight( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushVector3( L, GetCameraRight( camera ) );
 
@@ -2310,7 +2310,7 @@ int lcoreGetCamera3DRight( lua_State *L ) {
 Moves the camera in it's forward direction
 */
 int lcoreCamera3DMoveForward( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float distance = luaL_checknumber( L, 2 );
 	bool moveInWorldPlane = uluaGetBoolean( L, 3 );
 
@@ -2325,7 +2325,7 @@ int lcoreCamera3DMoveForward( lua_State *L ) {
 Moves the camera in it's up direction
 */
 int lcoreCamera3DMoveUp( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float distance = luaL_checknumber( L, 2 );
 
 	CameraMoveUp( camera, distance );
@@ -2339,7 +2339,7 @@ int lcoreCamera3DMoveUp( lua_State *L ) {
 Moves the camera target in it's current right direction
 */
 int lcoreCamera3DMoveRight( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float distance = luaL_checknumber( L, 2 );
 	bool moveInWorldPlane = uluaGetBoolean( L, 3 );
 
@@ -2354,7 +2354,7 @@ int lcoreCamera3DMoveRight( lua_State *L ) {
 Moves the camera position closer/farther to/from the camera target
 */
 int lcoreCamera3DMoveToTarget( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float delta = luaL_checknumber( L, 2 );
 
 	CameraMoveToTarget( camera, delta );
@@ -2371,7 +2371,7 @@ If rotateAroundTarget is false, the camera rotates around it's position
 Note: angle must be provided in radians
 */
 int lcoreCamera3DYaw( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float delta = luaL_checknumber( L, 2 );
 	bool rotateAroundTarget = uluaGetBoolean( L, 3 );
 
@@ -2390,7 +2390,7 @@ Rotates the camera around it's right vector, pitch is "looking up and down"
 NOTE: angle must be provided in radians
 */
 int lcoreCamera3DPitch( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float delta = luaL_checknumber( L, 2 );
 	bool lockView = uluaGetBoolean( L, 3 );
 	bool rotateAroundTarget = uluaGetBoolean( L, 4 );
@@ -2409,7 +2409,7 @@ Roll is "turning your head sideways to the left or right"
 Note: angle must be provided in radians
 */
 int lcoreCamera3DRoll( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float angle = luaL_checknumber( L, 2 );
 
 	CameraRoll( camera, angle );
@@ -2425,7 +2425,7 @@ Returns the camera view matrix
 - Success return Matrix
 */
 int lcoreGetCamera3DViewMatrix( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushMatrix( L, GetCameraViewMatrix( camera ) );
 
@@ -2440,7 +2440,7 @@ Returns the camera projection matrix
 - Success return Matrix
 */
 int lcoreGetCamera3DProjectionMatrix( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	float aspect = luaL_checknumber( L, 2 );
 
 	uluaPushMatrix( L, GetCameraProjectionMatrix( camera, aspect ) );
@@ -2454,7 +2454,7 @@ int lcoreGetCamera3DProjectionMatrix( lua_State *L ) {
 Update camera position for selected mode
 */
 int lcoreUpdateCamera3D( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	int mode = luaL_checkinteger( L, 2 );
 
 	UpdateCamera( camera, mode );
@@ -2468,7 +2468,7 @@ int lcoreUpdateCamera3D( lua_State *L ) {
 Update camera movement, movement/rotation values should be provided by user
 */
 int lcoreUpdateCamera3DPro( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 	Vector3 movement = uluaGetVector3Index( L, 2 );
 	Vector3 rotation = uluaGetVector3Index( L, 3 );
 	float zoom = luaL_checknumber( L, 4 );
@@ -2491,7 +2491,7 @@ Get a ray trace from mouse position
 */
 int lcoreGetMouseRay( lua_State *L ) {
 	Vector2 mousePosition = uluaGetVector2Index( L, 1 );
-	Camera3D *camera = luaL_checkudata( L, 2, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 2 );
 
 	uluaPushRay( L, GetMouseRay( mousePosition, *camera ) );
 
@@ -2506,7 +2506,7 @@ Get camera transform matrix (view matrix)
 - Success return Matrix
 */
 int lcoreGetCameraMatrix( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
 
 	uluaPushMatrix( L, GetCameraMatrix( *camera ) );
 
@@ -2521,7 +2521,7 @@ Get camera 2d transform matrix
 - Success return Matrix
 */
 int lcoreGetCameraMatrix2D( lua_State *L ) {
-	Camera2D *camera = luaL_checkudata( L, 1, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 1 );
 
 	uluaPushMatrix( L, GetCameraMatrix2D( *camera ) );
 
@@ -2537,7 +2537,7 @@ Get the screen space position for a 3d world space position
 */
 int lcoreGetWorldToScreen( lua_State *L ) {
 	Vector3 position = uluaGetVector3Index( L, 1 );
-	Camera3D *camera = luaL_checkudata( L, 2, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 2 );
 
 	uluaPushVector2( L, GetWorldToScreen( position, *camera ) );
 
@@ -2553,7 +2553,7 @@ Get size position for a 3d world space position
 */
 int lcoreGetWorldToScreenEx( lua_State *L ) {
 	Vector3 position = uluaGetVector3Index( L, 1 );
-	Camera3D *camera = luaL_checkudata( L, 2, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 2 );
 	Vector2 size = uluaGetVector2Index( L, 3 );
 
 	uluaPushVector2( L, GetWorldToScreenEx( position, *camera, size.x, size.y ) );
@@ -2570,7 +2570,7 @@ Get the screen space position for a 2d camera world space position
 */
 int lcoreGetWorldToScreen2D( lua_State *L ) {
 	Vector2 position = uluaGetVector2Index( L, 1 );
-	Camera2D *camera = luaL_checkudata( L, 2, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 2 );
 
 	uluaPushVector2( L, GetWorldToScreen2D( position, *camera ) );
 
@@ -2586,7 +2586,7 @@ Get the world space position for a 2d camera screen space position
 */
 int lcoreGetScreenToWorld2D( lua_State *L ) {
 	Vector2 position = uluaGetVector2Index( L, 1 );
-	Camera2D *camera = luaL_checkudata( L, 2, "Camera2D" );
+	Camera2D *camera = uluaGetCamera2D( L, 2 );
 
 	uluaPushVector2( L, GetScreenToWorld2D( position, *camera ) );
 

src/gl.c

@@ -29,7 +29,7 @@ int lglBlitFramebuffer( lua_State *L ) {
 		glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 	}
 	else {
-		RenderTexture *srcTex = luaL_checkudata( L, 1, "RenderTexture" );
+		RenderTexture *srcTex = uluaGetRenderTexture( L, 1 );
 		glBindFramebuffer( GL_READ_FRAMEBUFFER, srcTex->id );
 	}
 
@@ -37,7 +37,7 @@ int lglBlitFramebuffer( lua_State *L ) {
 		glBindFramebuffer( GL_DRAW_FRAMEBUFFER, 0 );
 	}
 	else {
-		RenderTexture *dstTex = luaL_checkudata( L, 2, "RenderTexture" );
+		RenderTexture *dstTex = uluaGetRenderTexture( L, 2 );
 		glBindFramebuffer( GL_DRAW_FRAMEBUFFER, dstTex->id );
 	}
 

src/lights.c

@@ -23,7 +23,7 @@ int llightsCreateLight( lua_State *L ) {
 	Vector3 position = uluaGetVector3Index( L, 2 );
 	Vector3 target = uluaGetVector3Index( L, 3 );
 	Color color = uluaGetColorIndex( L, 4 );
-	Shader *shader = luaL_checkudata( L, 5, "Shader" );
+	Shader *shader = uluaGetShader( L, 5 );
 
 	uluaPushLight( L, CreateLight( type, position, target, color, *shader ) );
 
@@ -36,8 +36,8 @@ int llightsCreateLight( lua_State *L ) {
 Send light properties to shader
 */
 int llightsUpdateLightValues( lua_State *L ) {
-	Shader *shader = luaL_checkudata( L, 1, "Shader" );
+	Shader *shader = uluaGetShader( L, 1 );
-	Light *light = luaL_checkudata( L, 2, "Light" );
+	Light *light = uluaGetLight( L, 2 );
 
 	UpdateLightValues( *shader, *light );
 
@@ -50,7 +50,7 @@ int llightsUpdateLightValues( lua_State *L ) {
 Set light type
 */
 int llightsSetLightType( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 	int type = luaL_checkinteger( L, 2 );
 
 	light->type = type;
@@ -64,7 +64,7 @@ int llightsSetLightType( lua_State *L ) {
 Set light position
 */
 int llightsSetLightPosition( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 	Vector3 position = uluaGetVector3Index( L, 2 );
 
 	light->position = position;
@@ -78,7 +78,7 @@ int llightsSetLightPosition( lua_State *L ) {
 Set light target
 */
 int llightsSetLightTarget( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 	Vector3 target = uluaGetVector3Index( L, 2 );
 
 	light->target = target;
@@ -92,7 +92,7 @@ int llightsSetLightTarget( lua_State *L ) {
 Set light color
 */
 int llightsSetLightColor( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 
 	light->color = color;
@@ -106,7 +106,7 @@ int llightsSetLightColor( lua_State *L ) {
 Set light enabled
 */
 int llightsSetLightEnabled( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 	bool enabled = uluaGetBoolean( L, 2 );
 
 	light->enabled = enabled;
@@ -122,7 +122,7 @@ Get light type
 - Success return int
 */
 int llightsGetLightType( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 
 	lua_pushinteger( L, light->type );
 
@@ -137,7 +137,7 @@ Get light position
 - Success return Vector3
 */
 int llightsGetLightPosition( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 
 	uluaPushVector3( L, light->position );
 
@@ -152,7 +152,7 @@ Get light target
 - Success return Vector3
 */
 int llightsGetLightTarget( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 
 	uluaPushVector3( L, light->target );
 
@@ -167,7 +167,7 @@ Get light color
 - Success return Color
 */
 int llightsGetLightColor( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 
 	uluaPushColor( L, light->color );
 
@@ -182,7 +182,7 @@ Get light enabled
 - Success return boolean
 */
 int llightsIsLightEnabled( lua_State *L ) {
-	Light *light = luaL_checkudata( L, 1, "Light" );
+	Light *light = uluaGetLight( L, 1 );
 
 	lua_pushboolean( L, light->enabled );
 

src/lua_core.c

@@ -201,7 +201,6 @@ static int gcMaterial( lua_State *L ) {
 
 	// int MAX_MATERIAL_MAPS = 12;
 	
-	
 	// Unload loaded texture maps (avoid unloading default texture, managed by raylib)
     // if ( material->maps != NULL ) {
     //     for ( int i = 0; i < MAX_MATERIAL_MAPS; i++ ) {
@@ -2789,6 +2788,201 @@ NPatchInfo uluaGetNPatchInfoIndex( lua_State *L, int index ) {
 	return npatch;
 }
 
+Image* uluaGetImage( lua_State *L, int index ) {
+	Image *image = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		image = (Image*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		image = luaL_checkudata( L, index, "Image" );
+	}
+
+	return image;
+}
+
+Texture* uluaGetTexture( lua_State *L, int index ) {
+	Texture *texture = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		texture = (Texture*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		texture = luaL_checkudata( L, index, "Texture" );
+	}
+
+	return texture;
+}
+
+RenderTexture* uluaGetRenderTexture( lua_State *L, int index ) {
+	RenderTexture *renderTexture = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		renderTexture = (RenderTexture*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		renderTexture = luaL_checkudata( L, index, "RenderTexture" );
+	}
+
+	return renderTexture;
+}
+
+Shader* uluaGetShader( lua_State *L, int index ) {
+	Shader *shader = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		shader = (Shader*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		shader = luaL_checkudata( L, index, "Shader" );
+	}
+
+	return shader;
+}
+
+Mesh* uluaGetMesh( lua_State *L, int index ) {
+	Mesh *mesh = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		mesh = (Mesh*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		mesh = luaL_checkudata( L, index, "Mesh" );
+	}
+
+	return mesh;
+}
+
+Camera2D* uluaGetCamera2D( lua_State *L, int index ) {
+	Camera2D *camera = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		camera = (Camera2D*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		camera = luaL_checkudata( L, index, "Camera2D" );
+	}
+
+	return camera;
+}
+
+Camera3D* uluaGetCamera3D( lua_State *L, int index ) {
+	Camera3D *camera = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		camera = (Camera3D*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		camera = luaL_checkudata( L, index, "Camera3D" );
+	}
+
+	return camera;
+}
+
+Font* uluaGetFont( lua_State *L, int index ) {
+	Font *font = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		font = (Font*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		font = luaL_checkudata( L, index, "Font" );
+	}
+
+	return font;
+}
+
+Wave* uluaGetWave( lua_State *L, int index ) {
+	Wave *wave = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		wave = (Wave*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		wave = luaL_checkudata( L, index, "Wave" );
+	}
+
+	return wave;
+}
+
+Sound* uluaGetSound( lua_State *L, int index ) {
+	Sound *sound = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		sound = (Sound*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		sound = luaL_checkudata( L, index, "Sound" );
+	}
+
+	return sound;
+}
+
+Music* uluaGetMusic( lua_State *L, int index ) {
+	Music *music = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		music = (Music*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		music = luaL_checkudata( L, index, "Music" );
+	}
+
+	return music;
+}
+
+Light* uluaGetLight( lua_State *L, int index ) {
+	Light *light = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		light = (Light*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		light = luaL_checkudata( L, index, "Light" );
+	}
+
+	return light;
+}
+
+Material* uluaGetMaterial( lua_State *L, int index ) {
+	Material *material = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		material = (Material*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		material = luaL_checkudata( L, index, "Material" );
+	}
+
+	return material;
+}
+
+Model* uluaGetModel( lua_State *L, int index ) {
+	Model *model = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		model = (Model*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		model = luaL_checkudata( L, index, "Model" );
+	}
+
+	return model;
+}
+
+ModelAnimation* uluaGetModelAnimation( lua_State *L, int index ) {
+	ModelAnimation *anim = NULL;
+
+	if ( lua_islightuserdata( L, index ) ) {
+		anim = (ModelAnimation*)lua_touserdata( L, index );
+	}
+	else if ( lua_isuserdata( L, index ) ) {
+		anim = luaL_checkudata( L, index, "ModelAnimation" );
+	}
+
+	return anim;
+}
+
 /* Push types. */
 
 void uluaPushColor( lua_State *L, Color color ) {

src/models.c

@@ -396,7 +396,7 @@ int lmodelsDrawPlane( lua_State *L ) {
 Draw 3D textured quad. (Texture coordinates opengl style 0.0 - 1.0).
 */
 int lmodelDrawQuad3DTexture( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	/* Vertices. */
 	Vector3 vertices[4] = { 0 };
@@ -634,7 +634,7 @@ Generate heightmap mesh from image data
 - Success return Mesh
 */
 int lmodelsGenMeshHeightmap( lua_State *L ) {
-	Image *heightmap = luaL_checkudata( L, 1, "Image" );
+	Image *heightmap = uluaGetImage( L, 1 );
 	Vector3 size = uluaGetVector3Index( L, 2 );
 
 	uluaPushMesh( L, GenMeshHeightmap( *heightmap, size ) );
@@ -805,7 +805,7 @@ Update mesh vertex data in GPU.
 Note! Mainly intented to be used with custom meshes.
 */
 int lmodelsUpdateMesh( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 	luaL_checktype( L, 2, LUA_TTABLE );
 
 	int t = 2;
@@ -929,8 +929,8 @@ int lmodelsUpdateMesh( lua_State *L ) {
 Draw a 3d mesh with material and transform
 */
 int lmodelsDrawMesh( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
-	Material *material = luaL_checkudata( L, 2, "Material" );
+	Material *material = uluaGetMaterial( L, 2 );
 	Matrix matrix = uluaGetMatrixIndex( L, 3 );
 
 	DrawMesh( *mesh, *material, matrix );
@@ -944,8 +944,8 @@ int lmodelsDrawMesh( lua_State *L ) {
 Draw multiple mesh instances with material and different transforms
 */
 int lmodelsDrawMeshInstanced( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
-	Material *material = luaL_checkudata( L, 2, "Material" );
+	Material *material = uluaGetMaterial( L, 2 );
 	luaL_checktype( L, 3, LUA_TTABLE );
 	int instances = luaL_checkinteger( L, 4 );
 
@@ -976,7 +976,7 @@ NOTE: Currently only works on custom mesh
 - Success return true
 */
 int lmodelsSetMeshColor( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 
 	if ( mesh->colors == NULL ) {
@@ -1007,7 +1007,7 @@ Export mesh data to file, returns true on success
 - Success return bool
 */
 int lmodelsExportMesh( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 
 	lua_pushboolean( L, ExportMesh( *mesh, luaL_checkstring( L, 2 ) ) );
 
@@ -1022,7 +1022,7 @@ Compute mesh bounding box limits
 - Success return BoundingBox
 */
 int lmodelsGetMeshBoundingBox( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 
 	uluaPushBoundingBox( L, GetMeshBoundingBox( *mesh ) );
 
@@ -1035,7 +1035,7 @@ int lmodelsGetMeshBoundingBox( lua_State *L ) {
 Compute mesh tangents
 */
 int lmodelsGenMeshTangents( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 
 	GenMeshTangents( mesh );
 
@@ -1097,7 +1097,7 @@ int lmodelsCreateMaterial( lua_State *L ) {
 
 								while ( lua_next( L, t4 ) != 0 ) {
 									if ( strcmp( "texture", (char*)lua_tostring( L, -2 ) ) == 0 ) {
-										Texture *texture = luaL_checkudata( L, lua_gettop( L ), "Texture" );
+										Texture *texture = uluaGetTexture( L, lua_gettop( L ) );
 										material.maps[map].texture = *texture;
 										printf( "Material Create material.maps[map].texture.id = %d\n", material.maps[map].texture.id );
 									}
@@ -1134,7 +1134,7 @@ int lmodelsCreateMaterial( lua_State *L ) {
 			}
 		}
 		else if ( strcmp( "shader", (char*)lua_tostring( L, -2 ) ) == 0 ) {
-			Shader *shader = luaL_checkudata( L, lua_gettop( L ), "Shader" );
+			Shader *shader = uluaGetShader( L, lua_gettop( L ) );
 			material.shader = *shader;
 		}
 		lua_pop( L, 1 );
@@ -1145,14 +1145,14 @@ int lmodelsCreateMaterial( lua_State *L ) {
 }
 
 /*
-> RL.SetMaterialTexture( Material material, int mapType, Texture2D texture )
+> RL.SetMaterialTexture( Material material, int mapType, Texture texture )
 
 Set texture for a material map type (MATERIAL_MAP_ALBEDO, MATERIAL_MAP_METALNESS...)
 */
 int lmodelsSetMaterialTexture( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
-	Texture *texture = luaL_checkudata( L, 3, "Texture" );
+	Texture *texture = uluaGetTexture( L, 3 );
 
 	SetMaterialTexture( material, mapType, *texture );
 
@@ -1165,7 +1165,7 @@ int lmodelsSetMaterialTexture( lua_State *L ) {
 Set color for a material map type
 */
 int lmodelsSetMaterialColor( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
 	Color color = uluaGetColorIndex( L, 3 );
 
@@ -1180,7 +1180,7 @@ int lmodelsSetMaterialColor( lua_State *L ) {
 Set value for a material map type
 */
 int lmodelsSetMaterialValue( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
 	float value = luaL_checknumber( L, 3 );
 
@@ -1195,8 +1195,8 @@ int lmodelsSetMaterialValue( lua_State *L ) {
 Set shader for material
 */
 int lmodelsSetMaterialShader( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
-	Shader *shader = luaL_checkudata( L, 2, "Shader" );
+	Shader *shader = uluaGetShader( L, 2 );
 
 	material->shader = *shader;
 
@@ -1209,7 +1209,7 @@ int lmodelsSetMaterialShader( lua_State *L ) {
 Set material generic parameters (if required)
 */
 int lmodelsSetMaterialParams( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 
 	size_t len = uluaGetTableLenIndex( L, 2 );
 
@@ -1241,7 +1241,7 @@ Get texture from material map type. Returns -1 if no texture
 - Success return Texture
 */
 int lmodelsGetMaterialTexture( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
 
 	uluaPushTexture( L, material->maps[ mapType ].texture );
@@ -1257,7 +1257,7 @@ Get color from material map type
 - Success return Color
 */
 int lmodelsGetMaterialColor( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
 
 	uluaPushColor( L, material->maps[ mapType ].color );
@@ -1273,7 +1273,7 @@ Get color from material map type
 - Success return float
 */
 int lmodelsGetMaterialValue( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 	int mapType = luaL_checkinteger( L, 2 );
 
 	lua_pushnumber( L, material->maps[ mapType ].value );
@@ -1286,12 +1286,12 @@ int lmodelsGetMaterialValue( lua_State *L ) {
 
 Get material shader
 
-- Success return Shader
+- Success return Shader. Returns as lightuserdata
 */
 int lmodelsGetMaterialShader( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 
-	uluaPushShader( L, material->shader );
+	lua_pushlightuserdata( L, &material->shader );
 
 	return 1;
 }
@@ -1304,7 +1304,7 @@ Get material parameters
 - Success return float{}
 */
 int lmodelsGetMaterialParams( lua_State *L ) {
-	Material *material = luaL_checkudata( L, 1, "Material" );
+	Material *material = uluaGetMaterial( L, 1 );
 
 	Vector4 params = {
 		material->params[0],
@@ -1349,7 +1349,7 @@ Load model from generated mesh (Default material)
 - Success return Model
 */
 int lmodelsLoadModelFromMesh( lua_State *L ) {
-	Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 1 );
 
 	uluaPushModel( L, LoadModelFromMesh( *mesh ) );
 
@@ -1362,7 +1362,7 @@ int lmodelsLoadModelFromMesh( lua_State *L ) {
 Draw a model (With texture if set)
 */
 int lmodelsDrawModel( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 	Vector3 position = uluaGetVector3Index( L, 2 );
 	float scale = luaL_checknumber( L, 3 );
 	Color tint = uluaGetColorIndex( L, 4 );
@@ -1378,7 +1378,7 @@ int lmodelsDrawModel( lua_State *L ) {
 Draw a model with extended parameters
 */
 int lmodelsDrawModelEx( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 	Vector3 position = uluaGetVector3Index( L, 2 );
 	Vector3 rotationAxis = uluaGetVector3Index( L, 3 );
 	float rotationAngle = luaL_checknumber( L, 4 );
@@ -1396,9 +1396,9 @@ int lmodelsDrawModelEx( lua_State *L ) {
 Copies material to model material. (Model material is the material id in models.)
 */
 int lmodelsSetModelMaterial( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 	int modelMaterialId = luaL_checkinteger( L, 2 );
-	Material *material = luaL_checkudata( L, 3, "Material" );
+	Material *material = uluaGetMaterial( L, 3 );
 
 	/* Copy material data instead of using pointer. Pointer would result in double free error. */
 	model->materials[ modelMaterialId ].shader = material->shader;
@@ -1427,7 +1427,7 @@ int lmodelsSetModelMaterial( lua_State *L ) {
 Set material for a mesh (Mesh and material on this model)
 */
 int lmodelsSetModelMeshMaterial( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 	int meshId = luaL_checkinteger( L, 2 );
 	int materialId = luaL_checkinteger( L, 3 );
 
@@ -1442,8 +1442,8 @@ int lmodelsSetModelMeshMaterial( lua_State *L ) {
 Draw a billboard texture
 */
 int lmodelsDrawBillboard( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
-	Texture *texture = luaL_checkudata( L, 2, "Texture" );
+	Texture *texture = uluaGetTexture( L, 2 );
 	Vector3 position = uluaGetVector3Index( L, 3 );
 	float size = luaL_checknumber( L, 4 );
 	Color tint = uluaGetColorIndex( L, 5 );
@@ -1459,8 +1459,8 @@ int lmodelsDrawBillboard( lua_State *L ) {
 Draw a billboard texture defined by source
 */
 int lmodelsDrawBillboardRec( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
-	Texture *texture = luaL_checkudata( L, 2, "Texture" );
+	Texture *texture = uluaGetTexture( L, 2 );
 	Rectangle source = uluaGetRectangleIndex( L, 3 );
 	Vector3 position = uluaGetVector3Index( L, 4 );
 	Vector2 size = uluaGetVector2Index( L, 5 );
@@ -1477,8 +1477,8 @@ int lmodelsDrawBillboardRec( lua_State *L ) {
 Draw a billboard texture defined by source and rotation
 */
 int lmodelsDrawBillboardPro( lua_State *L ) {
-	Camera3D *camera = luaL_checkudata( L, 1, "Camera3D" );
+	Camera3D *camera = uluaGetCamera3D( L, 1 );
-	Texture *texture = luaL_checkudata( L, 2, "Texture" );
+	Texture *texture = uluaGetTexture( L, 2 );
 	Rectangle source = uluaGetRectangleIndex( L, 3 );
 	Vector3 position = uluaGetVector3Index( L, 4 );
 	Vector3 up = uluaGetVector3Index( L, 5 );
@@ -1498,7 +1498,7 @@ int lmodelsDrawBillboardPro( lua_State *L ) {
 Set model transform matrix
 */
 int lmodelsSetModelTransform( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 	Matrix transform = uluaGetMatrixIndex( L, 2 );
 
 	model->transform = transform;
@@ -1514,7 +1514,7 @@ Get model transform matrix
 - Success return Matrix
 */
 int lmodelsGetModelTransform( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
 
 	uluaPushMatrix( L, model->transform );
 
@@ -1559,8 +1559,8 @@ int lmodelsLoadModelAnimations( lua_State *L ) {
 Update model animation pose
 */
 int lmodelsUpdateModelAnimation( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
-	ModelAnimation *modelAnimation = luaL_checkudata( L, 2, "ModelAnimation" );
+	ModelAnimation *modelAnimation = uluaGetModelAnimation( L, 2 );
 	int frame = luaL_checkinteger( L, 3 );
 
 	UpdateModelAnimation( *model, *modelAnimation, frame );
@@ -1576,8 +1576,8 @@ Check model animation skeleton match
 - Success return bool
 */
 int lmodelsIsModelAnimationValid( lua_State *L ) {
-	Model *model = luaL_checkudata( L, 1, "Model" );
+	Model *model = uluaGetModel( L, 1 );
-	ModelAnimation *modelAnimation = luaL_checkudata( L, 2, "ModelAnimation" );
+	ModelAnimation *modelAnimation = uluaGetModelAnimation( L, 2 );
 
 	lua_pushboolean( L, IsModelAnimationValid( *model, *modelAnimation ) );
 
@@ -1592,7 +1592,7 @@ Return modelAnimation bone count
 - Success return int
 */
 int lmodelsGetModelAnimationBoneCount( lua_State *L ) {
-	ModelAnimation *modelAnimation = luaL_checkudata( L, 1, "ModelAnimation" );
+	ModelAnimation *modelAnimation = uluaGetModelAnimation( L, 1 );
 
 	lua_pushinteger( L, modelAnimation->boneCount );
 
@@ -1607,7 +1607,7 @@ Return modelAnimation frame count
 - Success return int
 */
 int lmodelsGetModelAnimationFrameCount( lua_State *L ) {
-	ModelAnimation *modelAnimation = luaL_checkudata( L, 1, "ModelAnimation" );
+	ModelAnimation *modelAnimation = uluaGetModelAnimation( L, 1 );
 
 	lua_pushinteger( L, modelAnimation->frameCount );
 
@@ -1711,7 +1711,7 @@ Get collision info between ray and mesh
 */
 int lmodelsGetRayCollisionMesh( lua_State *L ) {
 	Ray ray = uluaGetRayIndex( L, 1 );
-	Mesh *mesh = luaL_checkudata( L, 2, "Mesh" );
+	Mesh *mesh = uluaGetMesh( L, 2 );
 	Matrix transform = uluaGetMatrixIndex( L, 3 );
 
 	uluaPushRayCollision( L, GetRayCollisionMesh( ray, *mesh, transform ) );

src/rgui.c

@@ -116,7 +116,7 @@ int lguiGuiGetState( lua_State *L ) {
 Set gui custom font (global state)
 */
 int lguiGuiSetFont( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 
 	GuiSetFont( *font );
 

src/shapes.c

@@ -16,7 +16,7 @@ NOTE: It can be useful when using basic shapes and one single font,
 defining a font char white rectangle would allow drawing everything in a single draw call
 */
 int lshapesSetShapesTexture( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Rectangle source = uluaGetRectangleIndex( L, 2 );
 
 	SetShapesTexture( *texture, source );

src/text.c

@@ -87,7 +87,7 @@ Load font from Image ( XNA style)
 - Success return Font
 */
 int ltextLoadFontFromImage( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color key = uluaGetColorIndex( L, 2 );
 	int firstChar = luaL_checkinteger( L, 3 );
 
@@ -119,7 +119,7 @@ int ltextDrawFPS( lua_State *L ) {
 Draw text using font and additional parameters
 */
 int ltextDrawText( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 	Vector2 position = uluaGetVector2Index( L, 3 );
 	float fontSize = luaL_checknumber( L, 4 );
 	float spacing = luaL_checknumber( L, 5 );
@@ -136,7 +136,7 @@ int ltextDrawText( lua_State *L ) {
 Draw text using Font and pro parameters (rotation)
 */
 int ltextDrawTextPro( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 	Vector2 position = uluaGetVector2Index( L, 3 );
 	Vector2 origin = uluaGetVector2Index( L, 4 );
 	float rotation = luaL_checknumber( L, 5 );
@@ -161,7 +161,7 @@ Measure string size for Font
 - Success return Vector2
 */
 int ltextMeasureText( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 	float fontSize = luaL_checknumber( L, 3 );
 	float spacing = luaL_checknumber( L, 4 );
 
@@ -178,7 +178,7 @@ Get font base size (default chars height)
 - Success return int
 */
 int ltextGetFontBaseSize( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 
 	lua_pushinteger( L, font->baseSize );
 
@@ -193,7 +193,7 @@ Get font number of glyph characters
 - Success return int
 */
 int ltextGetFontGlyphCount( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 
 	lua_pushinteger( L, font->glyphCount );
 
@@ -208,7 +208,7 @@ Get font padding around the glyph characters
 - Success return int
 */
 int ltextGetFontGlyphPadding( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 
 	lua_pushinteger( L, font->glyphPadding );
 
@@ -223,7 +223,7 @@ Get font texture atlas containing the glyphs.
 - Success return Texture
 */
 int ltextGetFontTexture( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 
 	uluaPushTexture( L, font->texture );
 

src/textures.c

@@ -28,14 +28,14 @@ int ltexturesLoadImage( lua_State *L ) {
 }
 
 /*
-> image = RL.LoadImageFromTexture( Texture2D texture )
+> image = RL.LoadImageFromTexture( Texture texture )
 
 Load image from GPU texture data
 
 - Success return Image
 */
 int ltexturesLoadImageFromTexture( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	uluaPushImage( L, LoadImageFromTexture( *texture ) );
 
 	return 1;
@@ -62,7 +62,7 @@ Export image data to file, returns true on success
 - Success return bool
 */
 int ltexturesExportImage( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	lua_pushboolean( L, ExportImage( *image, luaL_checkstring( L, 2 ) ) );
 
 	return 1;
@@ -76,7 +76,7 @@ Export image as code file defining an array of bytes, returns true on success
 - Success return bool
 */
 int ltexturesExportImageAsCode( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	lua_pushboolean( L, ExportImageAsCode( *image, luaL_checkstring( L, 2 ) ) );
 
 	return 1;
@@ -248,7 +248,7 @@ Create an image duplicate (useful for transformations)
 - Success return Image
 */
 int ltexturesImageCopy( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	uluaPushImage( L, ImageCopy( *image ) );
 
@@ -263,7 +263,7 @@ Create an image from another image piece
 - Success return Image
 */
 int ltexturesImageFromImage( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Rectangle rec = uluaGetRectangleIndex( L, 2 );
 
 	uluaPushImage( L, ImageFromImage( *image, rec ) );
@@ -279,7 +279,7 @@ Create an image from text (custom sprite font)
 - Success return Image
 */
 int ltexturesImageText( lua_State *L ) {
-	Font *font = luaL_checkudata( L, 1, "Font" );
+	Font *font = uluaGetFont( L, 1 );
 	float fontSize = lua_tonumber( L, 3 );
 	float spacing = lua_tonumber( L, 4 );
 	Color tint = uluaGetColorIndex( L, 5 );
@@ -295,7 +295,7 @@ int ltexturesImageText( lua_State *L ) {
 Convert image data to desired format
 */
 int ltexturesImageFormat( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	int newFormat = luaL_checkinteger( L, 2 );
 
 	ImageFormat( image, newFormat );
@@ -309,7 +309,7 @@ int ltexturesImageFormat( lua_State *L ) {
 Convert image to POT (power-of-two)
 */
 int ltexturesImageToPOT( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color fill = uluaGetColorIndex( L, 2 );
 
 	ImageToPOT( image, fill );
@@ -323,7 +323,7 @@ int ltexturesImageToPOT( lua_State *L ) {
 Crop an image to a defined rectangle
 */
 int ltexturesImageCrop( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Rectangle crop = uluaGetRectangleIndex( L, 2 );
 
 	ImageCrop( image, crop );
@@ -337,7 +337,7 @@ int ltexturesImageCrop( lua_State *L ) {
 Crop image depending on alpha value
 */
 int ltexturesImageAlphaCrop( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	float threshold = lua_tonumber( L, 2 );
 
 	ImageAlphaCrop( image, threshold );
@@ -351,7 +351,7 @@ int ltexturesImageAlphaCrop( lua_State *L ) {
 Clear alpha channel to desired color
 */
 int ltexturesImageAlphaClear( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 	float threshold = lua_tonumber( L, 3 );
 
@@ -366,8 +366,8 @@ int ltexturesImageAlphaClear( lua_State *L ) {
 Apply alpha mask to image
 */
 int ltexturesImageAlphaMask( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
-	Image *alphaMask = luaL_checkudata( L, 2, "Image" );
+	Image *alphaMask = uluaGetImage( L, 2 );
 
 	ImageAlphaMask( image, *alphaMask );
 
@@ -380,7 +380,7 @@ int ltexturesImageAlphaMask( lua_State *L ) {
 Premultiply alpha channel
 */
 int ltexturesImageAlphaPremultiply( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageAlphaPremultiply( image );
 
@@ -393,7 +393,7 @@ int ltexturesImageAlphaPremultiply( lua_State *L ) {
 Apply Gaussian blur using a box blur approximation
 */
 int ltexturesImageBlurGaussian( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	int blurSize = luaL_checkinteger( L, 2 );
 
 	ImageBlurGaussian( image, blurSize );
@@ -407,7 +407,7 @@ int ltexturesImageBlurGaussian( lua_State *L ) {
 Resize image (Bicubic scaling algorithm)
 */
 int ltexturesImageResize( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 size = uluaGetVector2Index( L, 2 );
 
 	ImageResize( image, (int)size.x, (int)size.y );
@@ -421,7 +421,7 @@ int ltexturesImageResize( lua_State *L ) {
 Resize image (Nearest-Neighbor scaling algorithm)
 */
 int ltexturesImageResizeNN( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 size = uluaGetVector2Index( L, 2 );
 
 	ImageResizeNN( image, (int)size.x, (int)size.y );
@@ -435,7 +435,7 @@ int ltexturesImageResizeNN( lua_State *L ) {
 Resize canvas and fill with color
 */
 int ltexturesImageResizeCanvas( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 size = uluaGetVector2Index( L, 2 );
 	Vector2 offset = uluaGetVector2Index( L, 3 );
 	Color fill = uluaGetColorIndex( L, 4 );
@@ -451,7 +451,7 @@ int ltexturesImageResizeCanvas( lua_State *L ) {
 Generate all mipmap levels for a provided image
 */
 int ltexturesImageMipmaps( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageMipmaps( image );
 
@@ -464,7 +464,7 @@ int ltexturesImageMipmaps( lua_State *L ) {
 Dither image data to 16bpp or lower (Floyd-Steinberg dithering)
 */
 int ltexturesImageDither( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color bpp = uluaGetColorIndex( L, 2 );
 
 	ImageDither( image, bpp.r, bpp.g, bpp.b, bpp.a );
@@ -478,7 +478,7 @@ int ltexturesImageDither( lua_State *L ) {
 Flip image vertically
 */
 int ltexturesImageFlipVertical( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageFlipVertical( image );
 
@@ -491,7 +491,7 @@ int ltexturesImageFlipVertical( lua_State *L ) {
 Flip image horizontally
 */
 int ltexturesImageFlipHorizontal( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageFlipHorizontal( image );
 
@@ -504,7 +504,7 @@ int ltexturesImageFlipHorizontal( lua_State *L ) {
 Rotate image clockwise 90deg
 */
 int ltexturesImageRotateCW( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageRotateCW( image );
 
@@ -517,7 +517,7 @@ int ltexturesImageRotateCW( lua_State *L ) {
 Rotate image counter-clockwise 90deg
 */
 int ltexturesImageRotateCCW( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageRotateCCW( image );
 
@@ -530,7 +530,7 @@ int ltexturesImageRotateCCW( lua_State *L ) {
 Modify image color: tint
 */
 int ltexturesImageColorTint( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 
 	ImageColorTint( image, color );
@@ -544,7 +544,7 @@ int ltexturesImageColorTint( lua_State *L ) {
 Modify image color: invert
 */
 int ltexturesImageColorInvert( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageColorInvert( image );
 
@@ -557,7 +557,7 @@ int ltexturesImageColorInvert( lua_State *L ) {
 Modify image color: grayscale
 */
 int ltexturesImageColorGrayscale( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	ImageColorGrayscale( image );
 
@@ -570,7 +570,7 @@ int ltexturesImageColorGrayscale( lua_State *L ) {
 Modify image color: contrast (-100 to 100)
 */
 int ltexturesImageColorContrast( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	float contrast = luaL_checkinteger( L, 2 );
 
 	ImageColorContrast( image, contrast );
@@ -584,7 +584,7 @@ int ltexturesImageColorContrast( lua_State *L ) {
 Modify image color: brightness (-255 to 255)
 */
 int ltexturesImageColorBrightness( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	int brightness = luaL_checkinteger( L, 2 );
 
 	ImageColorBrightness( image, brightness );
@@ -598,7 +598,7 @@ int ltexturesImageColorBrightness( lua_State *L ) {
 Modify image color: replace color
 */
 int ltexturesImageColorReplace( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 	Color replace = uluaGetColorIndex( L, 3 );
 
@@ -615,7 +615,7 @@ Load color data from image as a Color array (RGBA - 32bit)
 - Success return Color{}
 */
 int ltexturesLoadImageColors( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	int colorCount = image->width * image->height;
 	Color *colors = LoadImageColors( *image );
@@ -639,7 +639,7 @@ Load colors palette from image as a Color array (RGBA - 32bit)
 - Success return Color{}
 */
 int ltexturesLoadImagePalette( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	int maxPaletteSize = luaL_checkinteger( L, 2 );
 
 	int colorCount = 0;
@@ -664,7 +664,7 @@ Get image alpha border rectangle
 - Success return Rectangle
 */
 int ltexturesGetImageAlphaBorder( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	float threshold = luaL_checknumber( L, 2 );
 
 	uluaPushRectangle( L, GetImageAlphaBorder( *image, threshold ) );
@@ -680,7 +680,7 @@ Get image pixel color at (x, y) position
 - Success return Color
 */
 int ltexturesGetImageColor( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 pixelPos = uluaGetVector2Index( L, 2 );
 
 	uluaPushColor( L, GetImageColor( *image, pixelPos.x, pixelPos.y ) );
@@ -698,7 +698,7 @@ int ltexturesGetImageColor( lua_State *L ) {
 Clear image background with given color
 */
 int ltexturesImageClearBackground( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Color color = uluaGetColorIndex( L, 2 );
 
 	ImageClearBackground( image, color );
@@ -712,7 +712,7 @@ int ltexturesImageClearBackground( lua_State *L ) {
 Draw pixel within an image
 */
 int ltexturesImageDrawPixel( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 position = uluaGetVector2Index( L, 2 );
 	Color color = uluaGetColorIndex( L, 3 );
 
@@ -727,7 +727,7 @@ int ltexturesImageDrawPixel( lua_State *L ) {
 Draw line within an image
 */
 int ltexturesImageDrawLine( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 start = uluaGetVector2Index( L, 2 );
 	Vector2 end = uluaGetVector2Index( L, 3 );
 	Color color = uluaGetColorIndex( L, 4 );
@@ -743,7 +743,7 @@ int ltexturesImageDrawLine( lua_State *L ) {
 Draw circle within an image
 */
 int ltexturesImageDrawCircle( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 center = uluaGetVector2Index( L, 2 );
 	int radius = luaL_checkinteger( L, 3 );
 	Color color = uluaGetColorIndex( L, 4 );
@@ -759,7 +759,7 @@ int ltexturesImageDrawCircle( lua_State *L ) {
 Draw circle outline within an image
 */
 int ltexturesImageDrawCircleLines( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Vector2 center = uluaGetVector2Index( L, 2 );
 	int radius = luaL_checkinteger( L, 3 );
 	Color color = uluaGetColorIndex( L, 4 );
@@ -775,7 +775,7 @@ int ltexturesImageDrawCircleLines( lua_State *L ) {
 Draw rectangle within an image
 */
 int ltexturesImageDrawRectangle( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Rectangle rec = uluaGetRectangleIndex( L, 2 );
 	Color color = uluaGetColorIndex( L, 3 );
 
@@ -790,7 +790,7 @@ int ltexturesImageDrawRectangle( lua_State *L ) {
 Draw rectangle lines within an image
 */
 int ltexturesImageDrawRectangleLines( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	Rectangle rec = uluaGetRectangleIndex( L, 2 );
 	int thick = luaL_checkinteger( L, 3 );
 	Color color = uluaGetColorIndex( L, 4 );
@@ -806,8 +806,8 @@ int ltexturesImageDrawRectangleLines( lua_State *L ) {
 Draw a source image within a destination image (Tint applied to source)
 */
 int ltexturesImageDraw( lua_State *L ) {
-	Image *imageDstId = luaL_checkudata( L, 1, "Image" );
+	Image *imageDstId = uluaGetImage( L, 1 );
-	Image *imageSrcId = luaL_checkudata( L, 2, "Image" );
+	Image *imageSrcId = uluaGetImage( L, 2 );
 	Rectangle srcRec = uluaGetRectangleIndex( L, 3 );
 	Rectangle dstRec = uluaGetRectangleIndex( L, 4 );
 	Color tint = uluaGetColorIndex( L, 5 );
@@ -823,8 +823,8 @@ int ltexturesImageDraw( lua_State *L ) {
 Draw text (Custom sprite font) within an image (Destination)
 */
 int ltexturesImageDrawTextEx( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
-	Font *font = luaL_checkudata( L, 2, "Font" );
+	Font *font = uluaGetFont( L, 2 );
 	Vector2 position = uluaGetVector2Index( L, 4 );
 	float fontSize = luaL_checknumber( L, 5 );
 	float spacing = luaL_checknumber( L, 6 );
@@ -847,7 +847,7 @@ Get image size
 - Success return Vector2
 */
 int ltexturesGetImageSize( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	uluaPushVector2( L, (Vector2){ image->width, image->height } );
 
@@ -862,7 +862,7 @@ Get image mipmaps. Mipmap levels, 1 by default
 - Success return int
 */
 int ltexturesGetImageMipmaps( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	lua_pushinteger( L, image->mipmaps );
 
@@ -877,7 +877,7 @@ Get image data format (PixelFormat type)
 - Success return int
 */
 int ltexturesGetImageFormat( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	lua_pushinteger( L, image->format );
 
@@ -916,7 +916,7 @@ Load texture from image data
 - Success return Texture
 */
 int ltexturesLoadTextureFromImage( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 
 	uluaPushTexture( L, LoadTextureFromImage( *image ) );
 
@@ -931,7 +931,7 @@ Load cubemap from image, multiple image cubemap layouts supported
 - Success return Texture
 */
 int ltexturesLoadTextureCubemap( lua_State *L ) {
-	Image *image = luaL_checkudata( L, 1, "Image" );
+	Image *image = uluaGetImage( L, 1 );
 	int layout = luaL_checkinteger( L, 2 );
 
 	uluaPushTexture( L, LoadTextureCubemap( *image, layout ) );
@@ -949,7 +949,7 @@ Load Texture from data
 int ltexturesLoadTextureFromData( lua_State *L ) {
 	luaL_checktype( L, 1, LUA_TTABLE );
 
-	Texture2D texture = { 0 };
+	Texture texture = { 0 };
 
 	int t = 1;
     lua_pushnil( L );
@@ -1012,11 +1012,11 @@ int ltexturesLoadRenderTextureFromData( lua_State *L ) {
 			renTexture.id = (unsigned int)luaL_checkinteger( L, -1 );
 		}
 		else if ( strcmp( "texture", (char*)lua_tostring( L, -2 ) ) == 0 ) {
-			Texture *texture = luaL_checkudata( L, -1, "Texture" );
+			Texture *texture = uluaGetTexture( L, -1 );
 			renTexture.texture = *texture;
 		}
 		else if ( strcmp( "depth", (char*)lua_tostring( L, -2 ) ) == 0 ) {
-			Texture *depth = luaL_checkudata( L, -1, "Texture" );
+			Texture *depth = uluaGetTexture( L, -1 );
 			renTexture.depth = *depth;
 		}
         lua_pop( L, 1 );
@@ -1026,7 +1026,6 @@ int ltexturesLoadRenderTextureFromData( lua_State *L ) {
 	return 1;
 }
 
-
 /*
 > isReady = RL.IsTextureReady( Texture texture )
 
@@ -1035,7 +1034,7 @@ Check if a texture is ready
 - Success return bool
 */
 int ltexturesIsTextureReady( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	lua_pushboolean( L, IsTextureReady( *texture ) );
 
@@ -1049,7 +1048,7 @@ Update GPU texture with new data
 NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 */
 int ltexturesUpdateTexture( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	size_t len = uluaGetTableLenIndex( L, 2 );
 
 	unsigned char *pixels = malloc( len * 4 * sizeof( unsigned char ) );
@@ -1087,7 +1086,7 @@ Update GPU texture rectangle with new data
 NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 */
 int ltexturesUpdateTextureRec( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Rectangle rec = uluaGetRectangleIndex( L, 2 );
 	size_t len = uluaGetTableLenIndex( L, 3 );
 
@@ -1131,7 +1130,7 @@ int ltexturesUpdateTextureRec( lua_State *L ) {
 Draw a Texture2D
 */
 int ltexturesDrawTexture( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Vector2 pos = uluaGetVector2Index( L, 2 );
 	Color color = uluaGetColorIndex( L, 3 );
 
@@ -1145,7 +1144,7 @@ int ltexturesDrawTexture( lua_State *L ) {
 Draw a part of a texture defined by a rectangle
 */
 int ltexturesDrawTextureRec( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Rectangle srcRect = uluaGetRectangleIndex( L, 2 );
 	Vector2 pos = uluaGetVector2Index( L, 3 );
 	Color tint = uluaGetColorIndex( L, 4 );
@@ -1160,7 +1159,7 @@ int ltexturesDrawTextureRec( lua_State *L ) {
 Draw a part of a texture defined by a rectangle with "pro" parameters
 */
 int ltexturesDrawTexturePro( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Rectangle srcRect = uluaGetRectangleIndex( L, 2 );
 	Rectangle dstRect = uluaGetRectangleIndex( L, 3 );
 	Vector2 origin = uluaGetVector2Index( L, 4 );
@@ -1178,7 +1177,7 @@ int ltexturesDrawTexturePro( lua_State *L ) {
 Draws a texture (or part of it) that stretches or shrinks nicely
 */
 int ltexturesDrawTextureNPatch( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	NPatchInfo nPatchInfo = uluaGetNPatchInfoIndex( L, 2 );
 	Rectangle dest = uluaGetRectangleIndex( L, 3 );
 	Vector2 origin = uluaGetVector2Index( L, 4 );
@@ -1196,7 +1195,7 @@ int ltexturesDrawTextureNPatch( lua_State *L ) {
 Begin drawing to render texture
 */
 int ltexturesBeginTextureMode( lua_State *L ) {
-	RenderTexture *renderTexture = luaL_checkudata( L, 1, "RenderTexture" );
+	RenderTexture *renderTexture = uluaGetRenderTexture( L, 1 );
 
 	BeginTextureMode( *renderTexture );
 
@@ -1224,7 +1223,7 @@ int ltexturesEndTextureMode( lua_State *L ) {
 Generate GPU mipmaps for a texture
 */
 int ltexturesGenTextureMipmaps( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	GenTextureMipmaps( texture );
 
@@ -1237,7 +1236,7 @@ int ltexturesGenTextureMipmaps( lua_State *L ) {
 Set texture scaling filter mode (TEXTURE_FILTER_POINT, TEXTURE_FILTER_BILINEAR...)
 */
 int ltexturesSetTextureFilter( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	int filter = luaL_checkinteger( L, 2 );
 
 	SetTextureFilter( *texture, filter );
@@ -1251,7 +1250,7 @@ int ltexturesSetTextureFilter( lua_State *L ) {
 Set texture wrapping mode (TEXTURE_WRAP_REPEAT, TEXTURE_WRAP_CLAMP...)
 */
 int ltexturesSetTextureWrap( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	int wrap = luaL_checkinteger( L, 2 );
 
 	SetTextureWrap( *texture, wrap );
@@ -1267,7 +1266,7 @@ Get OpenGL texture id
 - Success return int
 */
 int ltexturesGetTextureId( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	lua_pushinteger( L, texture->id );
 
@@ -1282,7 +1281,7 @@ Get texture size
 - Success return Vector2
 */
 int ltexturesGetTextureSize( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	uluaPushVector2( L, (Vector2){ texture->width, texture->height } );
 
@@ -1297,7 +1296,7 @@ Get texture mipmaps. Mipmap levels, 1 by default
 - Success return int
 */
 int ltexturesGetTextureMipmaps( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	lua_pushinteger( L, texture->mipmaps );
 
@@ -1312,7 +1311,7 @@ Get texture data format (PixelFormat type)
 - Success return int
 */
 int ltexturesGetTextureFormat( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 
 	lua_pushinteger( L, texture->format );
 
@@ -1331,7 +1330,7 @@ Get OpenGL framebuffer object id
 - Success return int
 */
 int ltexturesGetRenderTextureId( lua_State *L ) {
-	RenderTexture *renderTexture = luaL_checkudata( L, 1, "RenderTexture" );
+	RenderTexture *renderTexture = uluaGetRenderTexture( L, 1 );
 
 	lua_pushinteger( L, renderTexture->id );
 
@@ -1341,14 +1340,14 @@ int ltexturesGetRenderTextureId( lua_State *L ) {
 /*
 > texture = RL.GetRenderTextureTexture( RenderTexture renderTexture )
 
-Get color buffer attachment texture
+Get color buffer attachment texture. Returns as lightuserdata
 
 - Success return Texture
 */
 int ltexturesGetRenderTextureTexture( lua_State *L ) {
-	RenderTexture *renderTexture = luaL_checkudata( L, 1, "RenderTexture" );
+	RenderTexture *renderTexture = uluaGetRenderTexture( L, 1 );
 
-	uluaPushTexture( L, renderTexture->texture );
+	lua_pushlightuserdata( L, &renderTexture->texture );
 
 	return 1;
 }
@@ -1356,14 +1355,14 @@ int ltexturesGetRenderTextureTexture( lua_State *L ) {
 /*
 > texture = RL.GetRenderTextureDepthTexture( RenderTexture renderTexture )
 
-Get depth buffer attachment texture
+Get depth buffer attachment texture. Returns as lightuserdata
 
 - Success return Texture
 */
 int ltexturesGetRenderTextureDepthTexture( lua_State *L ) {
-	RenderTexture *renderTexture = luaL_checkudata( L, 1, "RenderTexture" );
+	RenderTexture *renderTexture = uluaGetRenderTexture( L, 1 );
 
-	uluaPushTexture( L, renderTexture->depth );
+	lua_pushlightuserdata( L, &renderTexture->depth );
 
 	return 1;
 }
@@ -1569,7 +1568,7 @@ Get pixel color from source texture
 - Success return Color
 */
 int ltexturesGetPixelColor( lua_State *L ) {
-	Texture *texture = luaL_checkudata( L, 1, "Texture" );
+	Texture *texture = uluaGetTexture( L, 1 );
 	Vector2 pos = uluaGetVector2Index( L, 2 );
 	Image srcImage = LoadImageFromTexture( *texture );