Platform web.

9 files changed, 79 insertions, 33 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 381c4a8..92a6026 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ set( CMAKE_C_STANDARD 99 ) # Requires C99 standard
 option( SHARED "Build using dynamic libraries." off )
 option( LUAJIT "Use LuaJIT." off )
 
-enum_option( PLATFORM "Desktop;Desktop_SDL" "Platform to build for." )
+enum_option( PLATFORM "Desktop;Desktop_SDL;Web" "Platform to build for." )
 
 if( NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES )
     set( CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE )
@@ -29,16 +29,19 @@ if( PLATFORM STREQUAL "Desktop" )
 	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLATFORM_DESKTOP" )
 elseif( PLATFORM STREQUAL "Desktop_SDL" )
 	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLATFORM_DESKTOP_SDL" )
+elseif( PLATFORM STREQUAL "Web" )
+	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DPLATFORM_WEB" )
 endif()
 
-if( EMSCRIPTEN ) # Web
+if( PLATFORM STREQUAL "Web" )
 	target_link_libraries( ${PROJECT_NAME} ${CMAKE_SOURCE_DIR}/lib/web/libraylib.a )
 	target_link_libraries( ${PROJECT_NAME} ${CMAKE_SOURCE_DIR}/lib/web/liblua.a )
 
 	# Try "-s USE_PTHREADS" if not getting pixel perfect rendering.
 	set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s ASYNCIFY" )
+	# set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s ASYNCIFY -s FORCE_FILESYSTEM=1" )
   	set( CMAKE_EXECUTABLE_SUFFIX ".html" ) # This line is used to set your executable to build with the emscripten html template so that you can directly open it.
-	set( resources_dir "resources" )
+	set( resources_dir "resources@/" ) # Sets resources as root for the virtual file system.
 	set_target_properties( ${PROJECT_NAME} PROPERTIES LINK_FLAGS "--preload-file ${resources_dir}" )
 else() # Desktop
 	if( SHARED )
diff --git a/changelog b/changelog
index ab43683..03b60d8 100644
--- a/changelog
+++ b/changelog
@@ -15,6 +15,7 @@ KEY CHANGES:
 	- ADDED: SDL Events.
 	- ADDED: Experimental GLFW Pen Touch events. Needs glfw PR https://github.com/glfw/glfw/pull/1445.
 	- ADDED: Platform specific API documentation generation.
+	- ADDED: Platform web.
 
 DETAILED CHANGES:
 	- REMOVED: DrawLineBezierQuad, DrawLineBezierCubic.
diff --git a/include/lua_core.h b/include/lua_core.h
index 6c81aaa..b1bc016 100644
--- a/include/lua_core.h
+++ b/include/lua_core.h
@@ -31,6 +31,8 @@ void luaCallProcess();
 void luaCallDraw();
 void luaCallExit();
 void luaRegister();
+void platformDefineGlobals();
+void luaPlatformRegister();
 /* Lua get types. */
 bool uluaGetBoolean( lua_State *L, int index );
 Color uluaGetColor( lua_State *L, int index );
diff --git a/src/core.c b/src/core.c
index 2d7d7a1..06e21d6 100644
--- a/src/core.c
+++ b/src/core.c
@@ -14,8 +14,8 @@ static int getBufferElementSize( Buffer *buffer ) {
 		case BUFFER_INT: return sizeof( int );
 		case BUFFER_FLOAT: return sizeof( float );
 		case BUFFER_DOUBLE: return sizeof( double );
-		default: 1;
 	}
+	return 1;
 }
 
 void unloadBuffer( Buffer *buffer ) {
diff --git a/src/gl.c b/src/gl.c
index 8f915ca..5bb99ce 100644
--- a/src/gl.c
+++ b/src/gl.c
@@ -15,6 +15,7 @@ Copy a block of pixels from one framebuffer object to another.
 Use -1 RenderTexture for window framebuffer
 */
 int lglBlitFramebuffer( lua_State *L ) {
+#if defined( PLATFORM_DESKTOP ) || defined( PLATFORM_DESKTOP_SDL )
 	if ( !( lua_isuserdata( L, 1 ) || lua_isnil( L, 1 ) ) || !( lua_isuserdata( L, 2 ) || lua_isnil( L, 2 ) ) ) {
 		TraceLog( state->logLevelInvalid, "%s", "Argument needs to be RenderTexture or nil" );
 		lua_pushnil( L );
@@ -52,4 +53,5 @@ int lglBlitFramebuffer( lua_State *L ) {
 	glBindFramebuffer( GL_DRAW_FRAMEBUFFER, 0 );
 
 	return 1;
+#endif
 }
diff --git a/src/lua_core.c b/src/lua_core.c
index a777bc4..56162c1 100644
--- a/src/lua_core.c
+++ b/src/lua_core.c
@@ -18,6 +18,8 @@
 	#include "platforms/core_desktop.c"
 #elif PLATFORM_DESKTOP_SDL
 	#include "platforms/core_desktop_sdl.c"
+#elif PLATFORM_WEB
+	#include "platforms/core_web.c"
 #endif
 
 /* Define types. */
@@ -28,6 +30,7 @@ static int gcBuffer( lua_State *L ) {
 		Buffer *buffer = luaL_checkudata( L, 1, "Buffer" );
 		unloadBuffer( buffer );
 	}
+	return 0;
 }
 
 static void defineBuffer() {
@@ -46,6 +49,7 @@ static int gcImage( lua_State *L ) {
 		Image *image = luaL_checkudata( L, 1, "Image" );
 		UnloadImage( *image );
 	}
+	return 0;
 }
 
 static void defineImage() {
@@ -64,6 +68,7 @@ static int gcTexture( lua_State *L ) {
 		Texture *texture = luaL_checkudata( L, 1, "Texture" );
 		UnloadTexture( *texture );
 	}
+	return 0;
 }
 
 static void defineTexture() {
@@ -83,6 +88,7 @@ static int gcRenderTexture( lua_State *L ) {
 		RenderTexture *renderTexture = luaL_checkudata( L, 1, "RenderTexture" );
 		UnloadRenderTexture( *renderTexture );
 	}
+	return 0;
 }
 
 static void defineRenderTexture() {
@@ -119,6 +125,7 @@ static int gcShader( lua_State *L ) {
 		Shader *shader = luaL_checkudata( L, 1, "Shader" );
 		UnloadShader( *shader );
 	}
+	return 0;
 }
 
 static void defineShader() {
@@ -137,6 +144,7 @@ static int gcFont( lua_State *L ) {
 		Font *font = luaL_checkudata( L, 1, "Font" );
 		UnloadFont( *font );
 	}
+	return 0;
 }
 
 static void defineFont() {
@@ -155,6 +163,7 @@ static int gcWave( lua_State *L ) {
 		Wave *wave = luaL_checkudata( L, 1, "Wave" );
 		UnloadWave( *wave );
 	}
+	return 0;
 }
 
 static void defineWave() {
@@ -173,6 +182,7 @@ static int gcSound( lua_State *L ) {
 		Sound *sound = luaL_checkudata( L, 1, "Sound" );
 		UnloadSound( *sound );
 	}
+	return 0;
 }
 
 static void defineSound() {
@@ -191,6 +201,7 @@ static int gcMusic( lua_State *L ) {
 		Music *music = luaL_checkudata( L, 1, "Music" );
 		UnloadMusicStream( *music );
 	}
+	return 0;
 }
 
 static void defineMusic() {
@@ -219,6 +230,7 @@ static int gcMaterial( lua_State *L ) {
 		/* Custom UnloadMaterial since we don't want to free Shaders or Textures. */
 		unloadMaterial( material );
 	}
+	return 0;
 }
 
 static void defineMaterial() {
@@ -237,6 +249,7 @@ static int gcMesh( lua_State *L ) {
 		Mesh *mesh = luaL_checkudata( L, 1, "Mesh" );
 		UnloadMesh( *mesh );
 	}
+	return 0;
 }
 
 static void defineMesh() {
@@ -256,6 +269,7 @@ static int gcModel( lua_State *L ) {
 		UnloadModel( *model );
 		// UnloadModelKeepMeshes( *model );
 	}
+	return 0;
 }
 
 static void defineModel() {
@@ -274,6 +288,7 @@ static int gcModelAnimation( lua_State *L ) {
 		ModelAnimation *modelAnimation = luaL_checkudata( L, 1, "ModelAnimation" );
 		UnloadModelAnimation( *modelAnimation );
 	}
+	return 0;
 }
 
 static void defineModelAnimation() {
@@ -1030,11 +1045,11 @@ bool luaCallMain() {
 	char path[ STRING_LEN ] = { '\0' };
 
 /* If web, set path to resources folder. */
-#ifdef EMSCRIPTEN
-	snprintf( path, STRING_LEN, "resources/main.lua" );
+#ifdef PLATFORM_WEB
+	snprintf( path, STRING_LEN, "main.lua" );
 	/* Alternatively look for main. Could be precompiled binary file. */
 	if ( !FileExists( path ) ) {
-		snprintf( path, STRING_LEN, "resources/main" );
+		snprintf( path, STRING_LEN, "main" );
 	}
 #else
 	snprintf( path, STRING_LEN, "%smain.lua", state->exePath );
@@ -1055,8 +1070,6 @@ bool luaCallMain() {
 	/* Apply custom callback here. */
 	SetTraceLogCallback( logCustom );
 
-	platformRegisterEvents();
-
 	lua_getglobal( L, "RL" );
 	lua_getfield( L, -1, "init" );
 
@@ -1077,6 +1090,7 @@ bool luaCallMain() {
 }
 
 void luaCallProcess() {
+	
 #ifdef PLATFORM_DESKTOP_SDL
 	platformSendEvents();
 #endif
diff --git a/src/platforms/core_desktop.c b/src/platforms/core_desktop.c
index 614062d..d2c595e 100644
--- a/src/platforms/core_desktop.c
+++ b/src/platforms/core_desktop.c
@@ -3,7 +3,7 @@
 #include "core.h"
 #include "platforms/core_desktop.h"
 
-static void platformDefineGlobals() {
+void platformDefineGlobals() {
 	lua_State *L = state->luaState;
 
 	lua_getglobal( L, "RL" );
@@ -87,17 +87,6 @@ int lcoreGetKeyScancode( lua_State *L ) {
 	return 1;
 }
 
-static void luaPlatformRegister() {
-	lua_State *L = state->luaState;
-	lua_getglobal( L, "RL" );
-
-	/* Input-related functions: keyboard. */
-	assingGlobalFunction( "GetKeyName", lcoreGetKeyName );
-	assingGlobalFunction( "GetKeyScancode", lcoreGetKeyScancode );
-
-	lua_pop( L, -1 );
-}
-
 /* Events. */
 
 /*
@@ -649,3 +638,16 @@ static void platformRegisterEvents() {
 	// state->glfwtabletCursorCallback = glfwSetPenTabletCursorCallback( penTabletCursorEvent );
 	// state->glfwtabletProximityCallback = glfwSetPenTabletProximityCallback( penTabletProximityEvent );
 }
+
+void luaPlatformRegister() {
+	lua_State *L = state->luaState;
+	lua_getglobal( L, "RL" );
+
+	/* Input-related functions: keyboard. */
+	assingGlobalFunction( "GetKeyName", lcoreGetKeyName );
+	assingGlobalFunction( "GetKeyScancode", lcoreGetKeyScancode );
+
+	lua_pop( L, -1 );
+
+	platformRegisterEvents();
+}
diff --git a/src/platforms/core_desktop_sdl.c b/src/platforms/core_desktop_sdl.c
index f1483e5..9ad1c58 100644
--- a/src/platforms/core_desktop_sdl.c
+++ b/src/platforms/core_desktop_sdl.c
@@ -3,7 +3,7 @@
 #include "core.h"
 #include "platforms/core_desktop_sdl.h"
 
-static void platformDefineGlobals() {
+void platformDefineGlobals() {
 	lua_State *L = state->luaState;
 
 	lua_getglobal( L, "RL" );
@@ -111,17 +111,6 @@ int lcoreGetScancodeFromKey( lua_State *L ) {
 	return 1;
 }
 
-static void luaPlatformRegister() {
-	lua_State *L = state->luaState;
-	lua_getglobal( L, "RL" );
-
-	/* Input-related functions: keyboard. */
-	assingGlobalFunction( "GetKeyName", lcoreGetKeyName );
-	assingGlobalFunction( "GetScancodeFromKey", lcoreGetScancodeFromKey );
-
-	lua_pop( L, -1 );
-}
-
 /* Events. */
 
 /*
@@ -555,3 +544,16 @@ Event occurs an event of type SDL_DOLLARGESTURE or SDL_DOLLARRECORD is reported.
 	}
 	state->SDL_eventQueueLen = 0;
 }
+
+void luaPlatformRegister() {
+	lua_State *L = state->luaState;
+	lua_getglobal( L, "RL" );
+
+	/* Input-related functions: keyboard. */
+	assingGlobalFunction( "GetKeyName", lcoreGetKeyName );
+	assingGlobalFunction( "GetScancodeFromKey", lcoreGetScancodeFromKey );
+
+	lua_pop( L, -1 );
+
+	platformRegisterEvents()
+}
diff --git a/src/platforms/core_web.c b/src/platforms/core_web.c
new file mode 100644
index 0000000..24d3bf2
--- /dev/null
+++ b/src/platforms/core_web.c
@@ -0,0 +1,20 @@
+#include "main.h"
+#include "lua_core.h"
+#include "core.h"
+
+void platformDefineGlobals() {
+	lua_State *L = state->luaState;
+
+	lua_getglobal( L, "RL" );
+/*DOC_DEFINES_START*/
+/*DOC_DEFINES_END*/
+	lua_pop( L, -1 );
+}
+
+/* Functions. */
+
+/* Events. */
+
+void luaPlatformRegister() {
+	return;
+}