mirror of
https://github.com/whoahq/whoa.git
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d4d359acea
Adds the platform layer for building whoa as a WebAssembly application: Working: - CMake configuration for WHOA_SYSTEM_WEB with pthreads and ASYNCIFY - Web entry point and HTML shell template - Event loop adapted for emscripten_set_main_loop callback model - WebSocket-based networking (WowConnection over JS WebSocket API) - Sound system stubs (audio not yet implemented) - FetchFS for async file loading from web server - Freetype fixes for WASM compatibility (type mismatches) - Input handling for web canvas Missing (in separate commits): - WebGPU graphics backend (CGxDeviceWebGPU) - WGSL shaders - API selection in Device.cpp
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#include "client/Client.hpp"
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#include "event/Event.hpp"
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#include "gx/Device.hpp"
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#include <emscripten.h>
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#include <emscripten/html5.h>
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// Forward declaration - defined in Client.cpp
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int32_t InitializeGlobal();
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// FETCHFS: Set the base URL for lazy file loading from server
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// Defined in library_fetchfs.js, linked via util library
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extern "C" void fetchfs_set_base_url(const char* url);
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static bool s_initialized = false;
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// Main loop callback for Emscripten
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static void MainLoop() {
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// Process one frame of events
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EventProcessFrame();
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}
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// Resize callback
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static EM_BOOL OnResize(int eventType, const EmscriptenUiEvent* uiEvent, void* userData) {
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double cssWidth, cssHeight;
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emscripten_get_element_css_size("#canvas", &cssWidth, &cssHeight);
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if (g_theGxDevicePtr) {
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g_theGxDevicePtr->DeviceWM(GxWM_Size,
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static_cast<uintptr_t>(cssWidth),
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static_cast<uintptr_t>(cssHeight));
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}
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return EM_TRUE;
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}
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int main(int argc, char* argv[]) {
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// Configure FETCHFS to load files from ./data/ on the server
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// FETCHFS patches MEMFS to fetch files on-demand when accessed
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fetchfs_set_base_url("./data/");
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StormInitialize();
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// Set up resize callback
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emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, nullptr, EM_TRUE, OnResize);
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if (InitializeGlobal()) {
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s_initialized = true;
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// Use Emscripten's main loop instead of blocking EventDoMessageLoop
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// 0 = use requestAnimationFrame, 0 = don't simulate infinite loop
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emscripten_set_main_loop(MainLoop, 0, 0);
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}
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return 0;
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}
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