Add web support

.gitignore

@@ -2,6 +2,7 @@
 *~
 
 .idea/
+build-web/
 cmake-build-debug/
 cmake-build-release/
 tiled/PixelDefense.tiled-session

CMakeLists.txt

@@ -30,3 +30,8 @@ add_executable(PixelDefense
 
 
 target_link_libraries(PixelDefense LINK_PRIVATE Breeze)
+if (EMSCRIPTEN)
+    set_target_properties(PixelDefense
+            PROPERTIES SUFFIX ".html"
+            LINK_FLAGS " --bind -s WASM=1 -s STACK_SIZE=512kb -s ASSERTIONS=2 -s MIN_WEBGL_VERSION=1 --preload-file ../assets -g2 -gseparate-dwarf -gsource-map -s USE_GLFW=3")
+endif()

engine/CMakeLists.txt

@@ -3,7 +3,11 @@ project(Breeze C)
 
 set(CMAKE_C_STANDARD 11)
 
-add_compile_options(-Wall -Wextra -Wpedantic -std=c11)
+if (EMSCRIPTEN)
+    add_compile_options(-Wall -Wextra -Wpedantic)
+else()
+    add_compile_options(-Wall -Wextra -Wpedantic -std=c11)
+endif()
 
 add_compile_definitions(DEBUG_MODE)
 
@@ -92,6 +96,6 @@ file(COPY ${BreezeHeaders} DESTINATION "include")
 
 if (${BUILD_BREEZE_TESTS})
     MESSAGE(STATUS "Building breeze tests is enabled")
-    add_subdirectory(tests)
+    #add_subdirectory(tests)
 endif()
 

engine/breeze/game.h

@@ -28,6 +28,10 @@ extern bool bzMain(BzAppDesc *appDesc, int argc, const char **argv);
 #ifdef BZ_ENTRYPOINT
 #include <rlImGui.h>
 
+#ifdef PLATFORM_WEB
+#include <emscripten/emscripten.h>
+#endif
+
 // https://www.raylib.com/examples/core/loader.html?name=core_custom_logging
 static void bzRaylibLogger(int msgType, const char *text, va_list args) {
     BzLoggerLevel level = BZ_LOG_TRACE;
@@ -57,6 +61,29 @@ static void bzRaylibLogger(int msgType, const char *text, va_list args) {
     bzLoggerOnlyLogV(level, text, args);
 }
 
+static BzAppDesc appDesc = {0, 0};
+
+static void bzGameLoopTick() {
+    float dt = GetFrameTime();
+    if (appDesc.update)
+        appDesc.update(dt, appDesc.userData);
+
+    //if (ECS)
+    //    ecs_progress(ECS, dt);
+
+    BeginDrawing();
+    if (appDesc.render)
+        appDesc.render(dt, appDesc.userData);
+
+    if (appDesc.imguiRender) {
+        rlImGuiBegin();
+        appDesc.imguiRender(dt, appDesc.userData);
+        rlImGuiEnd();
+    }
+    EndDrawing();
+}
+
+
 int main(int argc, const char **argv) {
     if (!bzLoggerInit())
         return 1;
@@ -65,7 +92,7 @@ int main(int argc, const char **argv) {
 
     SetTraceLogCallback(bzRaylibLogger);
 
-    BzAppDesc appDesc = {
+    appDesc = (BzAppDesc){
             1280,
             720,
             "Breeze Engine",
@@ -94,24 +121,11 @@ int main(int argc, const char **argv) {
         return 1;
     }
 
+#ifdef PLATFORM_WEB
+    emscripten_set_main_loop(bzGameLoopTick, 0, 1);
+#else
     while (!WindowShouldClose()) {
-        float dt = GetFrameTime();
+        bzGameLoopTick();
-        if (appDesc.update)
-            appDesc.update(dt, appDesc.userData);
-
-        //if (ECS)
-        //    ecs_progress(ECS, dt);
-
-        BeginDrawing();
-        if (appDesc.render)
-            appDesc.render(dt, appDesc.userData);
-
-        if (appDesc.imguiRender) {
-            rlImGuiBegin();
-            appDesc.imguiRender(dt, appDesc.userData);
-            rlImGuiEnd();
-        }
-        EndDrawing();
     }
 
     // User deinitialize
@@ -124,6 +138,7 @@ int main(int argc, const char **argv) {
 
     CloseWindow();
     bzLoggerDeinit();
+#endif
 
     return 0;
 }