1 files changed, 115 insertions, 0 deletions
diff --git a/src/candy_gear/main.cpp b/src/candy_gear/main.cpp
new file mode 100644
index 0000000..353b6bf
--- /dev/null
+++ b/src/candy_gear/main.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright 2022-2024 Frederico de Oliveira Linhares
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <chrono>
+#include <thread>
+
+#include "core.hpp"
+
+cg_sCore cg_core;
+
+int main(int argc, char *argv[])
+{
+  using namespace std::chrono;
+  using namespace std::this_thread;
+
+  SDL_Event event;
+
+  // Random numbers
+  BluCat::INT::random_number_generator.seed(BluCat::INT::random_seed());
+
+  cg_core.game_file = argv[1];
+  cg_core.mrb = mrb_open();
+  if (!cg_core.mrb) throw CommandError{"Failed to initialize mruby."};
+  try{ cg_sCore::loader.execute(nullptr); }
+  catch(const CommandError &error)
+  {
+    BluCat::INT::core.log.message(Log::Level::Fatal, error.what());
+    mrb_close(cg_core.mrb);
+    return 1;
+  }
+
+  mrb_value main_obj{mrb_top_self(cg_core.mrb)};
+
+  mrb_funcall_id(cg_core.mrb, main_obj, cg_core.sym_init, 0);
+  if (cg_core.mrb->exc)
+  {
+    mrb_print_error(cg_core.mrb);
+		mrb_close(cg_core.mrb);
+    cg_sCore::loader.revert(nullptr);
+    return 1;
+  }
+
+  auto frame_start = steady_clock::now();
+
+  // Game main loop.
+  while(!cg_core.quit_game)
+  {
+    // Get input.
+    while(SDL_PollEvent(&event) != 0)
+    {
+      switch(event.type)
+      {
+      case SDL_KEYDOWN:
+        mrb_funcall_id(
+          cg_core.mrb, main_obj, cg_core.sym_key_down, 1,
+          mrb_int_value(cg_core.mrb, event.key.keysym.sym));
+        break;
+      case SDL_KEYUP:
+        mrb_funcall_id(
+          cg_core.mrb, main_obj, cg_core.sym_key_up, 1,
+          mrb_int_value(cg_core.mrb, event.key.keysym.sym));
+        break;
+      case SDL_MOUSEMOTION:
+        break;
+      case SDL_MOUSEBUTTONDOWN:
+        break;
+      case SDL_MOUSEBUTTONUP:
+        break;
+      case SDL_QUIT:
+        mrb_funcall_id(cg_core.mrb, main_obj, cg_core.sym_quit, 0);
+        break;
+      }
+    }
+
+    mrb_funcall_id(cg_core.mrb, main_obj, cg_core.sym_tick, 0);
+    if (cg_core.mrb->exc)
+    {
+      mrb_print_error(cg_core.mrb);
+      cg_core.quit_game = true;
+    }
+    else
+    {
+      BluCat::INT::core.vk_renderer->draw();
+
+      { // Timer
+        auto frame_stop = steady_clock::now();
+        auto frame_duration = frame_stop - frame_start;
+
+        // If frame take less time than maximum allowed.
+        if(BluCat::INT::core.max_frame_duration > frame_duration)
+          sleep_for(BluCat::INT::core.max_frame_duration - frame_duration);
+
+        frame_start = frame_stop;
+      }
+    }
+  }
+
+  mrb_close(cg_core.mrb);
+  cg_sCore::loader.revert(nullptr);
+
+  return 0;
+}