Add project files.

editor/main.cpp

@@ -0,0 +1,39 @@
+// Hammer++ - map editor built on raylib + Dear ImGui (rlImGui) + libhmap.
+#include "editor.h"
+#include "imgui.h"
+#include "raylib.h"
+#include "rlImGui.h"
+
+int main(int argc, char** argv) {
+    SetConfigFlags(FLAG_WINDOW_RESIZABLE | FLAG_VSYNC_HINT | FLAG_MSAA_4X_HINT);
+    InitWindow(1600, 900, "Hammer++");
+    SetWindowMinSize(960, 600);
+    SetExitKey(KEY_NULL);  // Esc cancels tools instead of quitting
+
+    rlImGuiSetup(true);
+    ImGuiIO& io = ImGui::GetIO();
+#ifdef IMGUI_HAS_DOCK
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+#endif
+    io.IniFilename = "hammerpp.ini";
+    io.ConfigWindowsMoveFromTitleBarOnly = true;
+    hpp::applyTheme();
+
+    hpp::Editor editor;
+    editor.init();
+    if (argc > 1) editor.openMap(argv[1]);
+
+    while (!WindowShouldClose() && !editor.wantQuit) {
+        BeginDrawing();
+        ClearBackground(Color{20, 22, 27, 255});
+        rlImGuiBegin();
+        editor.frame();
+        rlImGuiEnd();
+        EndDrawing();
+    }
+
+    editor.shutdown();
+    rlImGuiShutdown();
+    CloseWindow();
+    return 0;
+}