Texture now can be either Texture or RenderTexture. No need to change texture source anymore.

18 files changed, 153 insertions, 244 deletions

diff --git a/API.md b/API.md
index 6d64296..c0dcadc 100644
--- a/API.md
+++ b/API.md
@@ -675,9 +675,9 @@ NPATCH_THREE_PATCH_HORIZONTAL
 
 ## Globals - TextureModes
 
-TEXTURE_SOURCE_TEXTURE
+TEXTURE_TYPE_TEXTURE
 
-TEXTURE_SOURCE_RENDER_TEXTURE
+TEXTURE_TYPE_RENDER_TEXTURE
 
 ## Globals - Colors
 
@@ -3560,19 +3560,10 @@ Unload texture from GPU memory ( VRAM )
 
 ---
 
-> success = RL.UnloadRenderTexture( RenderTexture2D target )
-
-Unload render texture from GPU memory ( VRAM )
-
-- Failure return false
-- Success return true
-
----
-
 > success = RL.UpdateTexture( Texture2D texture, int{} pixels )
 
 Update GPU texture with new data
-NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 
 - Failure return false
 - Success return true
@@ -3582,7 +3573,7 @@ NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255,
 > success = RL.UpdateTextureRec( Texture2D texture, Rectangle rec, int{} pixels )
 
 Update GPU texture rectangle with new data
-NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 
 - Failure return false
 - Success return true
@@ -3644,19 +3635,11 @@ Ends drawing to render texture
 
 ---
 
-> success = RL.SetTextureSource( int textureSource )
+> type = RL.GetTextureType( Texture2D texture )
 
-Set what texture source to use ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
+Get texture type ( TEXTURE_TYPE_TEXTURE or TEXTURE_TYPE_RENDER_TEXTURE )
 
 - Failure return false
-- Success return true
-
----
-
-> textureSource = RL.GetTextureSource()
-
-Get current texture source type ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
-
 - Success return int
 
 ---
diff --git a/ReiLua_API.lua b/ReiLua_API.lua
index f2c4289..c8e187e 100644
--- a/ReiLua_API.lua
+++ b/ReiLua_API.lua
@@ -381,8 +381,8 @@ RL.NPATCH_THREE_PATCH_HORIZONTAL=2
 
 -- Globals - TextureModes
 
-RL.TEXTURE_SOURCE_TEXTURE=0
-RL.TEXTURE_SOURCE_RENDER_TEXTURE=1
+RL.TEXTURE_TYPE_TEXTURE=0
+RL.TEXTURE_TYPE_RENDER_TEXTURE=1
 
 -- Globals - Colors
 
@@ -2639,15 +2639,8 @@ function RL.LoadRenderTexture( size ) end
 ---@return any success 
 function RL.UnloadTexture( texture ) end
 
----Unload render texture from GPU memory ( VRAM )
----- Failure return false
----- Success return true
----@param target any
----@return any success 
-function RL.UnloadRenderTexture( target ) end
-
 ---Update GPU texture with new data
----NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+---NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 ---- Failure return false
 ---- Success return true
 ---@param texture any
@@ -2656,7 +2649,7 @@ function RL.UnloadRenderTexture( target ) end
 function RL.UpdateTexture( texture, pixels ) end
 
 ---Update GPU texture rectangle with new data
----NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+---NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 ---- Failure return false
 ---- Success return true
 ---@param texture any
@@ -2721,17 +2714,12 @@ function RL.BeginTextureMode( target ) end
 ---@return any RL.EndTextureMode
 function  RL.EndTextureMode() end
 
----Set what texture source to use ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
+---Get texture type ( TEXTURE_TYPE_TEXTURE or TEXTURE_TYPE_RENDER_TEXTURE )
 ---- Failure return false
----- Success return true
----@param textureSource integer
----@return any success 
-function RL.SetTextureSource( textureSource ) end
-
----Get current texture source type ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
 ---- Success return int
----@return any textureSource 
-function RL.GetTextureSource() end
+---@param texture any
+---@return any type 
+function RL.GetTextureType( texture ) end
 
 -- Textures - Texture Configuration
 
diff --git a/changelog b/changelog
index 3d5d695..3b874df 100644
--- a/changelog
+++ b/changelog
@@ -11,6 +11,7 @@ KEY CHANGES:
 	- ADDED: Camera3D Lua lib.
 	- ADDED: Raygui wrapper lib.
 	- CHANGED: Can now have multiple Music objects like other Raylib objects instead of just one.
+	- CHANGED: Texture now can be either Texture or RenderTexture. No need to change texture source anymore.
 
 Detailed changes:
 	- FIXED: uluaGetRay was looking for integers instead of tables.
@@ -59,6 +60,10 @@ Detailed changes:
 	- ADDED: GetMusicLooping
 	- ADDED: DrawCapsule and DrawCapsuleWires
 	- ADDED: Free Camera3D example
+	- REMOVED: SetTextureSource
+	- REMOVED: GetTextureSource
+	- REMOVED: UnloadRenderTexture
+	- ADDED: GetTextureType
 
 ------------------------------------------------------------------------
 Release:	ReiLua version 0.4.0		Using Raylib 4.2
diff --git a/examples/dungeon_crawler/main.lua b/examples/dungeon_crawler/main.lua
index 3818f67..f8810b1 100644
--- a/examples/dungeon_crawler/main.lua
+++ b/examples/dungeon_crawler/main.lua
@@ -121,7 +121,5 @@ function RL.draw()
 	RL.EndMode3D()
 	-- RL.EndTextureMode()
 
-	-- RL.SetTextureSource( TEXTURE_SOURCE_RENDER_TEXTURE )
 	-- RL.DrawTexturePro( framebuffer, { 0, 0, res[1], -res[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, WHITE )
-	-- RL.SetTextureSource( TEXTURE_SOURCE_TEXTURE )
 end
diff --git a/examples/heightmap/main.lua b/examples/heightmap/main.lua
index ae1f6b8..1b194bb 100644
--- a/examples/heightmap/main.lua
+++ b/examples/heightmap/main.lua
@@ -75,11 +75,9 @@ function RL.init()
 	RL.EndTextureMode()
 
 	material = RL.LoadMaterialDefault()
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_RENDER_TEXTURE )
 	-- RL.GenTextureMipmaps( groundTexture )
 	-- RL.SetTextureFilter( groundTexture, RL.TEXTURE_FILTER_TRILINEAR )
 	RL.SetMaterialTexture( material, RL.MATERIAL_MAP_ALBEDO, groundTexture )
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE )
 
 	matrix = RL.MatrixMultiply( RL.MatrixIdentity(), RL.MatrixTranslate( { -4, 0, -4 } ) )
 end
diff --git a/examples/lightmap/main.lua b/examples/lightmap/main.lua
index 991bc2d..a6a5bde 100644
--- a/examples/lightmap/main.lua
+++ b/examples/lightmap/main.lua
@@ -1,3 +1,7 @@
+package.path = package.path..";"..RL.GetBasePath().."../resources/lib/?.lua"
+
+Cam3D = require( "camera3d" )
+
 local PLANE_SIZE = 8
 
 local monitor = 0
@@ -19,10 +23,18 @@ function RL.init()
 	RL.SetWindowState( RL.FLAG_VSYNC_HINT )
 	RL.SetWindowPosition( { mPos[1] + mSize[1] / 2 - winSize[1] / 2, mPos[2] + mSize[2] / 2 - winSize[2] / 2 } )
 
-	camera = RL.CreateCamera3D()
-	RL.SetCamera3DPosition( camera, { 0, 8, 16 } )
-	RL.SetCamera3DTarget( camera, { 0, 0, 0 } )
-	RL.SetCamera3DUp( camera, { 0, 1, 0 } )
+	-- camera = RL.CreateCamera3D()
+	-- RL.SetCamera3DPosition( camera, { 0, 8, 16 } )
+	-- RL.SetCamera3DTarget( camera, { 0, 0, 0 } )
+	-- RL.SetCamera3DUp( camera, { 0, 1, 0 } )
+	camera = Cam3D:new()
+
+	camera:setPosition( { 0, 8, 16 } )
+	camera:setTarget( { 0, 0, 0 } )
+	camera:setUp( { 0, 1, 0 } )
+	camera.mode = camera.MODES.ORBITAL
+	-- camera.mode = camera.MODES.FREE
+	-- camera.mode = camera.MODES.FIRST_PERSON
 
 	local ts = PLANE_SIZE
 	local meshData = {
@@ -76,13 +88,25 @@ function RL.init()
 	matrix = RL.MatrixMultiply( RL.MatrixIdentity(), RL.MatrixTranslate( { -4, 0, -4 } ) )
 end
 
+function RL.process( delta )
+	camera:process( delta )
+
+	if RL.IsKeyPressed( RL.KEY_SPACE ) then
+		if camera.mode == camera.MODES.FREE then
+			camera.mode = camera.MODES.FIRST_PERSON
+		else
+			camera.mode = camera.MODES.FREE
+		end
+	end
+end
+
 function RL.draw()
 	RL.ClearBackground( { 25, 50, 50 } )
 	-- RL.UpdateCamera3D( camera, RL.CAMERA_ORBITAL )
 	-- RL.UpdateCamera3D( camera, RL.CAMERA_FREE )
-	RL.UpdateCamera3D( camera, RL.CAMERA_FIRST_PERSON )
+	-- RL.UpdateCamera3D( camera, RL.CAMERA_FIRST_PERSON )
 
-	RL.BeginMode3D( camera )
+	camera:beginMode3D()
 		RL.DrawMesh( mesh, material, matrix )
-	RL.EndMode3D()
+		camera:endMode3D()
 end
diff --git a/examples/pixelated/main.lua b/examples/pixelated/main.lua
index 49f5c42..75a9045 100644
--- a/examples/pixelated/main.lua
+++ b/examples/pixelated/main.lua
@@ -50,7 +50,5 @@ function RL.draw()
 		RL.DrawTriangle( { 0, 32 }, { 32, 16 }, { 0, 0 }, RL.RED )
 	RL.EndTextureMode()
 
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_RENDER_TEXTURE )
 	RL.DrawTexturePro( framebuffer, { 0, 0, res[1], -res[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, { 255, 255, 255 } )
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE )
 end
diff --git a/examples/platformer/main.lua b/examples/platformer/main.lua
index f419423..fe594ec 100644
--- a/examples/platformer/main.lua
+++ b/examples/platformer/main.lua
@@ -288,15 +288,12 @@ end
 function RL.draw()
 	RL.ClearBackground( RL.RED )
 
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE )
 	RL.BeginTextureMode( framebuffer )
 		drawMap()
 		drawPlayer()
 	RL.EndTextureMode()
 
-	-- RL.SetTextureSource( RL.TEXTURE_SOURCE_RENDER_TEXTURE )
-	-- RL.DrawTexturePro( framebuffer, { 0, 0, res.x, -res.y }, { 0, 0, winSize.x, winSize.y }, { 0, 0 }, 0.0, RL.WHITE )
-	-- RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE )
+	RL.DrawTexturePro( framebuffer, { 0, 0, res.x, -res.y }, { 0, 0, winSize.x, winSize.y }, { 0, 0 }, 0.0, RL.WHITE )
 
 	RL.glBlitFramebuffer( framebuffer, -1, res, winSize, RL.GL_COLOR_BUFFER_BIT, RL.GL_NEAREST )
 end
diff --git a/examples/snake/main.lua b/examples/snake/main.lua
index 0f07317..4bcec1b 100644
--- a/examples/snake/main.lua
+++ b/examples/snake/main.lua
@@ -216,9 +216,7 @@ function RL.draw()
 			RL.DrawText( 0, "Press Enter to\nrestart", { 10, 10 }, 10, 2, RL.WHITE )
 		end
 	RL.EndTextureMode()
-	
+
 	-- Draw framebuffer to window.
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_RENDER_TEXTURE )
 	RL.DrawTexturePro( framebuffer, { 0, 0, RESOLUTION[1], -RESOLUTION[2] }, { 0, 0, winSize[1], winSize[2] }, { 0, 0 }, 0.0, RL.WHITE )
-	RL.SetTextureSource( RL.TEXTURE_SOURCE_TEXTURE )
 end
diff --git a/include/state.h b/include/state.h
index eeef14a..e1cbaed 100644
--- a/include/state.h
+++ b/include/state.h
@@ -8,12 +8,17 @@ typedef struct {
 } ModelAnimations;
 
 typedef struct {
+	int type;
+	Texture texture;
+	RenderTexture renderTexture;
+} ReiTexture;
+
+typedef struct {
 	char *exePath;
 	bool hasWindow;
 	bool run;
 	lua_State *luaState;
 	Vector2 resolution;
-	int textureSource;
 	size_t guiFont;
 	/* Resources. */
 		/* Images. */
@@ -21,13 +26,9 @@ typedef struct {
 	size_t imageCount;
 	size_t imageAlloc;
 		/* Textures. */
-	Texture **textures;
+	ReiTexture **textures;
 	size_t textureCount;
 	size_t textureAlloc;
-		/* RenderTextures. */
-	RenderTexture **renderTextures;
-	size_t renderTextureCount;
-	size_t renderTextureAlloc;
 		/* Fonts. */
 	Font **fonts;
 	size_t fontCount;
diff --git a/include/textures.h b/include/textures.h
index 950d91b..386e72d 100644
--- a/include/textures.h
+++ b/include/textures.h
@@ -1,13 +1,15 @@
 #pragma once
 
-enum TEXTURE_SOURCES { TEXTURE_SOURCE_TEXTURE, TEXTURE_SOURCE_RENDER_TEXTURE };
+/* TEXTURE_TYPE_ALL is internal and used for accepting every type. */
+enum TEXTURE_TYPE { TEXTURE_TYPE_TEXTURE, TEXTURE_TYPE_RENDER_TEXTURE, TEXTURE_TYPE_ALL };
 
 /* Validators. */
 bool validImage( size_t id );
-bool validTexture( size_t id );
+bool validTexture( size_t id, int type );
 bool validRenderTexture( size_t id );
 bool validSourceTexture( size_t id );
-Texture2D* texturesGetSourceTexture( size_t index );
+Texture2D* texturesGetSourceTexture( size_t id );
+void texturesFreeTexture( size_t id );
 /* Image Loading. */
 int ltexturesLoadImage( lua_State *L );
 int ltexturesLoadImageFromTexture( lua_State *L );
@@ -74,7 +76,6 @@ int ltexturesLoadTextureFromImage( lua_State *L );
 int ltexturesLoadTextureCubemap( lua_State *L );
 int ltexturesLoadRenderTexture( lua_State *L );
 int ltexturesUnloadTexture( lua_State *L );
-int ltexturesUnloadRenderTexture( lua_State *L );
 int ltexturesUpdateTexture( lua_State *L );
 int ltexturesUpdateTextureRec( lua_State *L );
 /* Texture Drawing. */
@@ -84,8 +85,7 @@ int ltexturesDrawTexturePro( lua_State *L );
 int ltexturesDrawTextureNPatch( lua_State *L );
 int ltexturesBeginTextureMode( lua_State *L );
 int ltexturesEndTextureMode( lua_State *L );
-int ltexturesSetTextureSource( lua_State *L );
-int ltexturesGetTextureSource( lua_State *L );
+int ltexturesGetTextureType( lua_State *L );
 /* Texture Configuration. */
 int ltexturesGenTextureMipmaps( lua_State *L );
 int ltexturesSetTextureFilter( lua_State *L );
diff --git a/src/core.c b/src/core.c
index c04fb93..a0ea6ce 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1247,11 +1247,12 @@ int lcoreSetShaderValueTexture( lua_State *L ) {
 	int locIndex = lua_tointeger( L, 2 );
 	size_t textureId = lua_tointeger( L, 3 );
 
-	if ( !validShader( shaderId ) || !validTexture( textureId ) ) {
+	if ( !validShader( shaderId ) || !validTexture( textureId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-	SetShaderValueTexture( *state->shaders[ shaderId ], locIndex, *state->textures[ textureId ] );
+	// SetShaderValueTexture( *state->shaders[ shaderId ], locIndex, *state->textures[ textureId ] );
+	SetShaderValueTexture( *state->shaders[ shaderId ], locIndex, *texturesGetSourceTexture( textureId ) );
 	lua_pushboolean( L, true );
 
 	return 1;
diff --git a/src/gl.c b/src/gl.c
index a6777a9..6bd8a03 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -31,7 +31,9 @@ int lglBlitFramebuffer( lua_State *L ) {
 	int mask = lua_tointeger( L, 5 );
 	int filter = lua_tointeger( L, 6 );
 
-	if ( ( !validRenderTexture( srcTexId ) && srcTexId != -1 ) && ( !validRenderTexture( dstTexId ) && dstTexId != -1 ) ) {
+	// if ( ( !validRenderTexture( srcTexId ) && srcTexId != -1 ) && ( !validRenderTexture( dstTexId ) && dstTexId != -1 ) ) {
+	if ( ( !validTexture( srcTexId, TEXTURE_TYPE_RENDER_TEXTURE ) && srcTexId != -1 )
+	&& ( !validTexture( dstTexId, TEXTURE_TYPE_RENDER_TEXTURE ) && dstTexId != -1 ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -40,14 +42,14 @@ int lglBlitFramebuffer( lua_State *L ) {
 		glBindFramebuffer( GL_READ_FRAMEBUFFER, 0 );
 	}
 	else {
-		glBindFramebuffer( GL_READ_FRAMEBUFFER, state->renderTextures[ srcTexId ]->id );
+		glBindFramebuffer( GL_READ_FRAMEBUFFER, state->textures[ srcTexId ]->renderTexture.id );
 	}
 
 	if ( dstTexId == -1 ) {
 		glBindFramebuffer( GL_DRAW_FRAMEBUFFER, 0 );
 	}
 	else {
-		glBindFramebuffer( GL_DRAW_FRAMEBUFFER, state->renderTextures[ dstTexId ]->id );
+		glBindFramebuffer( GL_DRAW_FRAMEBUFFER, state->textures[ dstTexId ]->renderTexture.id );
 	}
 
 	glBlitFramebuffer(
diff --git a/src/lua_core.c b/src/lua_core.c
index 8aeeafe..020f3e5 100644
--- a/src/lua_core.c
+++ b/src/lua_core.c
@@ -369,8 +369,8 @@ void defineGlobals() {
 	assignGlobalInt( NPATCH_THREE_PATCH_VERTICAL, "NPATCH_THREE_PATCH_VERTICAL" );
 	assignGlobalInt( NPATCH_THREE_PATCH_HORIZONTAL, "NPATCH_THREE_PATCH_HORIZONTAL" );
 	/* TextureModes */
-	assignGlobalInt( TEXTURE_SOURCE_TEXTURE, "TEXTURE_SOURCE_TEXTURE" );
-	assignGlobalInt( TEXTURE_SOURCE_RENDER_TEXTURE, "TEXTURE_SOURCE_RENDER_TEXTURE" );
+	assignGlobalInt( TEXTURE_TYPE_TEXTURE, "TEXTURE_TYPE_TEXTURE" );
+	assignGlobalInt( TEXTURE_TYPE_RENDER_TEXTURE, "TEXTURE_TYPE_RENDER_TEXTURE" );
 	/* Colors */
 	assignGlobalColor( LIGHTGRAY, "LIGHTGRAY" );
 	assignGlobalColor( GRAY, "GRAY" );
@@ -1000,7 +1000,6 @@ void luaRegister() {
 	assingGlobalFunction( "LoadTextureCubemap", ltexturesLoadTextureCubemap );
 	assingGlobalFunction( "LoadRenderTexture", ltexturesLoadRenderTexture );
 	assingGlobalFunction( "UnloadTexture", ltexturesUnloadTexture );
-	assingGlobalFunction( "UnloadRenderTexture", ltexturesUnloadRenderTexture );
 	assingGlobalFunction( "UpdateTexture", ltexturesUpdateTexture );
 	assingGlobalFunction( "UpdateTextureRec", ltexturesUpdateTextureRec );
 		/* Texture Drawing. */
@@ -1010,8 +1009,7 @@ void luaRegister() {
 	assingGlobalFunction( "DrawTextureNPatch", ltexturesDrawTextureNPatch );
 	assingGlobalFunction( "BeginTextureMode", ltexturesBeginTextureMode );
 	assingGlobalFunction( "EndTextureMode", ltexturesEndTextureMode );
-	assingGlobalFunction( "SetTextureSource", ltexturesSetTextureSource );
-	assingGlobalFunction( "GetTextureSource", ltexturesGetTextureSource );
+	assingGlobalFunction( "GetTextureType", ltexturesGetTextureType );
 		/* Texture Configuration. */
 	assingGlobalFunction( "GenTextureMipmaps", ltexturesGenTextureMipmaps );
 	assingGlobalFunction( "SetTextureFilter", ltexturesSetTextureFilter );
diff --git a/src/models.c b/src/models.c
index 6b0ff0a..3f69001 100644
--- a/src/models.c
+++ b/src/models.c
@@ -665,7 +665,7 @@ int lmodelDrawQuad3DTexture( lua_State *L ) {
 
 	//TODO Normals. maybe something like Vector3Normalize(Vector3CrossProduct(Vector3Subtract(vB, vA), Vector3Subtract(vC, vA)));
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -1138,7 +1138,6 @@ int lmodelsGenMeshCustom( lua_State *L ) {
 		}
 		lua_pop( L, 1 );
 	}
-
 	bool dynamic = lua_toboolean( L, 2 );
 
 	UploadMesh( &mesh, dynamic );
@@ -1575,7 +1574,7 @@ int lmodelsCreateMaterial( lua_State *L ) {
 									if ( strcmp( "texture", (char*)lua_tostring( L, -2 ) ) == 0 && lua_isnumber( L, -1 ) ) {
 										size_t texId = lua_tointeger( L, -1 );
 
-										if ( !validSourceTexture( texId ) ) {
+										if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 											lua_pushboolean( L, false );
 											return 1;
 										}
@@ -1669,7 +1668,7 @@ int lmodelsSetMaterialTexture( lua_State *L ) {
 	int mapType = lua_tointeger( L, 2 );
 	size_t texId = lua_tointeger( L, 3 );
 
-	if ( !validMaterial( materialId ) || !validSourceTexture( texId ) ) {
+	if ( !validMaterial( materialId ) || !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2014,7 +2013,7 @@ int lmodelsDrawBillboard( lua_State *L ) {
 	float size = lua_tonumber( L, 4 );
 	Color tint = uluaGetColorIndex( L, 5 );
 
-	if ( !validSourceTexture( texId ) || !validCamera3D( cameraId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) || !validCamera3D( cameraId ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2046,7 +2045,7 @@ int lmodelsDrawBillboardRec( lua_State *L ) {
 	Vector2 size = uluaGetVector2Index( L, 5 );
 	Color tint = uluaGetColorIndex( L, 6 );
 
-	if ( !validSourceTexture( texId ) || !validCamera3D( cameraId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) || !validCamera3D( cameraId ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
diff --git a/src/shapes.c b/src/shapes.c
index ef857ea..3a06bac 100644
--- a/src/shapes.c
+++ b/src/shapes.c
@@ -26,7 +26,7 @@ int lshapesSetShapesTexture( lua_State *L ) {
 	size_t texId = lua_tointeger( L, 1 );
 	Rectangle source = uluaGetRectangleIndex( L, 2 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
diff --git a/src/state.c b/src/state.c
index ed96115..6db0812 100644
--- a/src/state.c
+++ b/src/state.c
@@ -16,7 +16,6 @@ bool stateInit( const char *exePath ) {
 	state->run = true;
 	state->resolution = (Vector2){ 800, 600 };
 	state->luaState = NULL;
-	state->textureSource = TEXTURE_SOURCE_TEXTURE;
 	state->guiFont = 0;
 	/* Images. */
 	state->imageAlloc = ALLOC_PAGE_SIZE;
@@ -25,11 +24,7 @@ bool stateInit( const char *exePath ) {
 	/* Textures. */
 	state->textureAlloc = ALLOC_PAGE_SIZE;
 	state->textureCount = 0;
-	state->textures = malloc( state->textureAlloc * sizeof( Texture2D* ) );
-	/* RenderTextures. */
-	state->renderTextureAlloc = ALLOC_PAGE_SIZE;
-	state->renderTextureCount = 0;
-	state->renderTextures = malloc( state->renderTextureAlloc * sizeof( RenderTexture2D* ) );
+	state->textures = malloc( state->textureAlloc * sizeof( ReiTexture* ) );
 	/* Fonts. */
 	state->fontAlloc = ALLOC_PAGE_SIZE;
 	state->fontCount = 1;
@@ -82,7 +77,6 @@ bool stateInit( const char *exePath ) {
 	for ( int i = 0; i < ALLOC_PAGE_SIZE; i++ ) {
 		state->images[i] = NULL;
 		state->textures[i] = NULL;
-		state->renderTextures[i] = NULL;
 		state->waves[i] = NULL;
 		state->sounds[i] = NULL;
 		state->camera2Ds[i] = NULL;
@@ -133,16 +127,10 @@ void stateFree() {
 	}	
 	for ( int i = 0; i < state->textureCount; ++i ) {
 		if ( state->textures[i] != NULL ) {
-			UnloadTexture( *state->textures[i] );
+			texturesFreeTexture(i);
 			free( state->textures[i] );
 		}
 	}
-	for ( int i = 0; i < state->renderTextureCount; ++i ) {
-		if ( state->renderTextures[i] != NULL ) {
-			UnloadRenderTexture( *state->renderTextures[i] );
-			free( state->renderTextures[i] );
-		}
-	}
 	for ( int i = 0; i < state->fontCount; ++i ) {
 		if ( state->fonts[i] != NULL ) {
 			UnloadFont( *state->fonts[i] );
@@ -232,7 +220,6 @@ void stateFree() {
 	}
 	free( state->images );
 	free( state->textures );
-	free( state->renderTextures );
 	free( state->fonts );
 	free( state->waves );
 	free( state->sounds );
diff --git a/src/textures.c b/src/textures.c
index b96bb5b..4def06e 100644
--- a/src/textures.c
+++ b/src/textures.c
@@ -26,7 +26,7 @@ static void checkTextureRealloc( int i ) {
 
 	if ( state->textureCount == state->textureAlloc ) {
 		state->textureAlloc += ALLOC_PAGE_SIZE;
-		state->textures = realloc( state->textures, state->textureAlloc * sizeof( Texture2D* ) );
+		state->textures = realloc( state->textures, state->textureAlloc * sizeof( ReiTexture* ) );
 
 		for ( i = state->textureCount; i < state->textureAlloc; i++ ) {
 			state->textures[i] = NULL;
@@ -34,21 +34,6 @@ static void checkTextureRealloc( int i ) {
 	}
 }
 
-static void checkRenderTextureRealloc( int i ) {
-	if ( i == state->renderTextureCount ) {
-		state->renderTextureCount++;
-	}
-
-	if ( state->renderTextureCount == state->renderTextureAlloc ) {
-		state->renderTextureAlloc += ALLOC_PAGE_SIZE;
-		state->renderTextures = realloc( state->renderTextures, state->renderTextureAlloc * sizeof( RenderTexture2D* ) );
-
-		for ( i = state->renderTextureCount; i < state->renderTextureAlloc; i++ ) {
-			state->renderTextures[i] = NULL;
-		}
-	}
-}
-
 bool validImage( size_t id ) {
 	if ( id < 0 || state->imageCount < id || state->images[ id ] == NULL ) {
 		TraceLog( LOG_WARNING, "%s %d", "Invalid image", id );
@@ -59,19 +44,13 @@ bool validImage( size_t id ) {
 	}
 }
 
-bool validTexture( size_t id ) {
+bool validTexture( size_t id, int type ) {
 	if ( id < 0 || state->textureCount < id || state->textures[ id ] == NULL ) {
 		TraceLog( LOG_WARNING, "%s %d", "Invalid texture", id );
 		return false;
 	}
-	else {
-		return true;
-	}
-}
-
-bool validRenderTexture( size_t id ) {
-	if ( id < 0 || state->renderTextureCount < id || state->renderTextures[ id ] == NULL ) {
-		TraceLog( LOG_WARNING, "%s %d", "Invalid renderTexture", id );
+	else if ( type != TEXTURE_TYPE_ALL && type != state->textures[ id ]->type ) {
+		TraceLog( LOG_WARNING, "%s %d", "Wrong texture type", type );
 		return false;
 	}
 	else {
@@ -79,18 +58,6 @@ bool validRenderTexture( size_t id ) {
 	}
 }
 
-bool validSourceTexture( size_t id ) {
-	switch ( state->textureSource ) {
-	case TEXTURE_SOURCE_TEXTURE:
-		return validTexture( id );
-	case TEXTURE_SOURCE_RENDER_TEXTURE:
-		return validRenderTexture( id );
-	default:
-		return validTexture( id );
-		break;
-	}
-}
-
 static int newImage() {
 	int i = 0;
 
@@ -105,7 +72,7 @@ static int newImage() {
 	return i;
 }
 
-static int newTexture() {
+static int newTexture( int type ) {
 	int i = 0;
 
 	for ( i = 0; i < state->textureCount; i++ ) {
@@ -113,24 +80,39 @@ static int newTexture() {
 			break;
 		}
 	}
-	state->textures[i] = malloc( sizeof( Texture2D ) );
+	state->textures[i] = malloc( sizeof( ReiTexture ) );
+	state->textures[i]->type = type;
+
 	checkTextureRealloc( i );
 
 	return i;
 }
 
-Texture2D* texturesGetSourceTexture( size_t index ) {
-	switch ( state->textureSource ) {
-	case TEXTURE_SOURCE_TEXTURE:
-		return state->textures[ index ];
-	case TEXTURE_SOURCE_RENDER_TEXTURE:
-		return &state->renderTextures[ index ]->texture;
-	default:
-		return state->textures[ index ];
-		break;
+Texture2D* texturesGetSourceTexture( size_t id ) {
+	if ( state->textures[id] != NULL ) {
+		switch ( state->textures[id]->type ) {
+		case TEXTURE_TYPE_TEXTURE:
+			return &state->textures[id]->texture;
+			break;
+		case TEXTURE_TYPE_RENDER_TEXTURE:
+			return &state->textures[id]->renderTexture.texture;
+			break;
+		}
 	}
 }
 
+void texturesFreeTexture( size_t id ) {
+	if ( state->textures[id] != NULL ) {
+		switch ( state->textures[id]->type ) {
+		case TEXTURE_TYPE_TEXTURE:
+			UnloadTexture( state->textures[id]->texture );
+			break;
+		case TEXTURE_TYPE_RENDER_TEXTURE:
+			UnloadRenderTexture( state->textures[id]->renderTexture );
+			break;
+		}
+	}
+}
 /*
 ## Textures - Image Loading
 */
@@ -178,7 +160,7 @@ int ltexturesLoadImageFromTexture( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushinteger( L, -1 );
 		return 1;
 	}
@@ -1654,10 +1636,9 @@ int ltexturesLoadTexture( lua_State *L ) {
 		lua_pushinteger( L, -1 );
 		return 1;
 	}
-
 	if ( FileExists( lua_tostring( L, 1 ) ) ) {
-		int i = newTexture();
-		*state->textures[i] = LoadTexture( lua_tostring( L, 1 ) );
+		int i = newTexture( TEXTURE_TYPE_TEXTURE );
+		state->textures[i]->texture = LoadTexture( lua_tostring( L, 1 ) );
 		lua_pushinteger( L, i );
 		return 1;
 	}
@@ -1687,8 +1668,8 @@ int ltexturesLoadTextureFromImage( lua_State *L ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-	int i = newTexture();
-	*state->textures[i] = LoadTextureFromImage( *state->images[ imageId ] );
+	int i = newTexture( TEXTURE_TYPE_TEXTURE );
+	state->textures[i]->texture = LoadTextureFromImage( *state->images[ imageId ] );
 	lua_pushinteger( L, i );
 
 	return 1;
@@ -1715,8 +1696,8 @@ int ltexturesLoadTextureCubemap( lua_State *L ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-	int i = newTexture();
-	*state->textures[i] = LoadTextureCubemap( *state->images[ imageId ], layout );
+	int i = newTexture( TEXTURE_TYPE_TEXTURE );
+	state->textures[i]->texture = LoadTextureCubemap( *state->images[ imageId ], layout );
 	lua_pushinteger( L, i );
 
 	return 1;
@@ -1737,17 +1718,10 @@ int ltexturesLoadRenderTexture( lua_State *L ) {
 		return 1;
 	}
 	Vector2 size = uluaGetVector2Index( L, 1 );
-	int i = 0;
 
-	for ( i = 0; i < state->renderTextureCount; i++ ) {
-		if ( state->renderTextures[i] == NULL ) {
-			break;
-		}
-	}
-	state->renderTextures[i] = malloc( sizeof( RenderTexture2D ) );
-	*state->renderTextures[i] = LoadRenderTexture( (int)size.x, (int)size.y );
+	int i = newTexture( TEXTURE_TYPE_RENDER_TEXTURE );
+	state->textures[i]->renderTexture = LoadRenderTexture( (int)size.x, (int)size.y );
 	lua_pushinteger( L, i );
-	checkRenderTextureRealloc( i );
 
 	return 1;
 }
@@ -1768,39 +1742,13 @@ int ltexturesUnloadTexture( lua_State *L ) {
 	}
 	size_t id = lua_tointeger( L, 1 );
 
-	if ( !validTexture( id ) ) {
-		lua_pushboolean( L, false );
-		return 1;
-	}
-	UnloadTexture( *state->textures[ id ] );
-	state->textures[ id ] = NULL;
-	lua_pushboolean( L, true );
-
-	return 1;
-}
-
-/*
-> success = RL.UnloadRenderTexture( RenderTexture2D target )
-
-Unload render texture from GPU memory ( VRAM )
-
-- Failure return false
-- Success return true
-*/
-int ltexturesUnloadRenderTexture( lua_State *L ) {
-	if ( !lua_isnumber( L, 1 ) ) {
-		TraceLog( LOG_WARNING, "%s", "Bad call of function. RL.UnloadRenderTexture( RenderTexture2D target )" );
-		lua_pushboolean( L, false );
-		return 1;
-	}
-	size_t id = lua_tointeger( L, 1 );
-	
-	if ( !validRenderTexture( id ) ) {
+	if ( !validTexture( id, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-	UnloadRenderTexture( *state->renderTextures[ id ] );
-	state->renderTextures[ id ] = NULL;
+	// UnloadTexture( *state->textures[ id ] );
+	texturesFreeTexture( id );
+	// state->textures[ id ] = NULL;
 	lua_pushboolean( L, true );
 
 	return 1;
@@ -1810,7 +1758,7 @@ int ltexturesUnloadRenderTexture( lua_State *L ) {
 > success = RL.UpdateTexture( Texture2D texture, int{} pixels )
 
 Update GPU texture with new data
-NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 
 - Failure return false
 - Success return true
@@ -1823,7 +1771,7 @@ int ltexturesUpdateTexture( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 	
-	if ( !validTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_TEXTURE ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -1850,7 +1798,8 @@ int ltexturesUpdateTexture( lua_State *L ) {
 		i++;
 		lua_pop( L, 1 );
 	}
-	UpdateTexture( *state->textures[ texId ], pixels );
+	// UpdateTexture( *state->textures[ texId ], pixels );
+	UpdateTexture( state->textures[ texId ]->texture, pixels );
 	lua_pushboolean( L, true );
 
 	free( pixels );
@@ -1862,7 +1811,7 @@ int ltexturesUpdateTexture( lua_State *L ) {
 > success = RL.UpdateTextureRec( Texture2D texture, Rectangle rec, int{} pixels )
 
 Update GPU texture rectangle with new data
-NOTE! Should be TEXTURE_SOURCE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
+NOTE! Should be TEXTURE_TYPE_TEXTURE. Pixel should be in format { { 255, 255, 255, 255 }... } depending on the pixel format
 
 - Failure return false
 - Success return true
@@ -1875,7 +1824,7 @@ int ltexturesUpdateTextureRec( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 	
-	if ( !validTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_TEXTURE ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -1906,7 +1855,7 @@ int ltexturesUpdateTextureRec( lua_State *L ) {
 
 	Rectangle rec = uluaGetRectangleIndex( L, 2 );
 
-	UpdateTextureRec( *state->textures[ texId ], rec, pixels );
+	UpdateTextureRec( state->textures[ texId ]->texture, rec, pixels );
 	lua_pushboolean( L, true );
 
 	free( pixels );
@@ -1936,7 +1885,7 @@ int ltexturesDrawTexture( lua_State *L ) {
 	Vector2 pos = uluaGetVector2Index( L, 2 );
 	Color color = uluaGetColorIndex( L, 3 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -1966,7 +1915,7 @@ int ltexturesDrawTextureRec( lua_State *L ) {
 	Vector2 pos = uluaGetVector2Index( L, 3 );
 	Color tint = uluaGetColorIndex( L, 4 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -1999,7 +1948,7 @@ int ltexturesDrawTexturePro( lua_State *L ) {
 	float rot = lua_tonumber( L, 5 );
 	Color color = uluaGetColorIndex( L, 6 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2032,7 +1981,7 @@ int ltexturesDrawTextureNPatch( lua_State *L ) {
 	float rotation = lua_tonumber( L, 5 );
 	Color tint = uluaGetColorIndex( L, 6 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2058,12 +2007,12 @@ int ltexturesBeginTextureMode( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 
-	if ( !validRenderTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_RENDER_TEXTURE ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
 
-	BeginTextureMode( *state->renderTextures[ texId ] );
+	BeginTextureMode( state->textures[ texId ]->renderTexture );
 	lua_pushboolean( L, true );
 
 	return 1;
@@ -2081,42 +2030,26 @@ int ltexturesEndTextureMode( lua_State *L ) {
 }
 
 /*
-> success = RL.SetTextureSource( int textureSource )
+> type = RL.GetTextureType( Texture2D texture )
 
-Set what texture source to use ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
+Get texture type ( TEXTURE_TYPE_TEXTURE or TEXTURE_TYPE_RENDER_TEXTURE )
 
 - Failure return false
-- Success return true
+- Success return int
 */
-int ltexturesSetTextureSource( lua_State *L ) {
+int ltexturesGetTextureType( lua_State *L ) {
 	if ( !lua_isnumber( L, 1 ) ) {
-		TraceLog( LOG_WARNING, "%s", "Bad call of function. RL.SetTextureSource( int textureSource )" );
+		TraceLog( LOG_WARNING, "%s", "Bad call of function. RL.GetTextureType( Texture2D texture )" );
 		lua_pushboolean( L, false );
 		return 1;
 	}
-	int texSource = lua_tointeger( L, 1 );
+	size_t texId = lua_tointeger( L, 1 );
 
-	if ( texSource != TEXTURE_SOURCE_TEXTURE && texSource != TEXTURE_SOURCE_RENDER_TEXTURE ) {
-		TraceLog( LOG_WARNING, "%s %d", "Invalid source texture", texSource );
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-
-	state->textureSource = texSource;
-	lua_pushboolean( L, true );
-
-	return 1;
-}
-
-/*
-> textureSource = RL.GetTextureSource()
-
-Get current texture source type ( TEXTURE_SOURCE_TEXTURE or TEXTURE_SOURCE_RENDER_TEXTURE )
-
-- Success return int
-*/
-int ltexturesGetTextureSource( lua_State *L ) {
-	lua_pushinteger( L, state->textureSource );
+	lua_pushinteger( L, state->textures[ texId ]->type );
 
 	return 1;
 }
@@ -2141,11 +2074,10 @@ int ltexturesGenTextureMipmaps( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
-
 	GenTextureMipmaps( texturesGetSourceTexture( texId ) );
 	lua_pushboolean( L, true );
 
@@ -2169,7 +2101,7 @@ int ltexturesSetTextureFilter( lua_State *L ) {
 	size_t texId = lua_tointeger( L, 1 );
 	int filter = lua_tointeger( L, 2 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2197,7 +2129,7 @@ int ltexturesSetTextureWrap( lua_State *L ) {
 	size_t texId = lua_tointeger( L, 1 );
 	int wrap = lua_tointeger( L, 2 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}
@@ -2224,7 +2156,7 @@ int ltexturesGetTextureSize( lua_State *L ) {
 	}
 	size_t texId = lua_tointeger( L, 1 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushnil( L );
 		return 1;
 	}
@@ -2568,7 +2500,7 @@ int ltexturesGetPixelColor( lua_State *L ) {
 	size_t texId = lua_tointeger( L, 1 );
 	Vector2 pos = uluaGetVector2Index( L, 2 );
 
-	if ( !validSourceTexture( texId ) ) {
+	if ( !validTexture( texId, TEXTURE_TYPE_ALL ) ) {
 		lua_pushboolean( L, false );
 		return 1;
 	}