refactor Game.hpp, add unfinished pong

1 files changed, 68 insertions, 10 deletions

diff --git a/src/games/Game.cpp b/src/games/Game.cpp
index 0f6be9c..1e94df6 100644
--- a/src/games/Game.cpp
+++ b/src/games/Game.cpp
@@ -2,7 +2,9 @@
 #include "games/tetris/Tetris.hpp"
 #include "games/snake/Snake.hpp"
 #include "games/minesweeper/Minesweeper.hpp"
+#include "games/pong/Pong.hpp"
 #include "common/defs.hpp"
+#include "renderer/Renderer.hpp"
 
 #include <assert.h>
 #include <memory>
@@ -28,6 +30,10 @@ Game::Select(GameType type)
         return std::make_unique<Tetris>();
     } break;
 
+    case pong: {
+        return std::make_unique<Pong>();
+    } break;
+
     InvalidDefaultCase;
     }
 
@@ -50,13 +56,60 @@ Game::ProcessDt()
     return dt_seconds;
 }
 
+bool
+Game::Update(std::vector<SDL_Event>& events)
+{
+    g_renderer.SetCameraSize(4.0f, 3.0f);
+    g_renderer.SetClearColor(m_clear_color);
+
+    float dt = ProcessDt();
+    for (SDL_Event& event : events) {
+        if (m_game_status == game_resume) {
+            if (event.type == SDL_EVENT_KEY_DOWN && event.key.key == SDLK_ESCAPE) {
+                m_game_status = game_pause;
+            }
+            else {
+                ProcessEvent(event);
+            }
+        }
+        else if (m_game_status == game_pause) {
+            ProcessEventDuringPause(event);
+        }
+    }
+
+    bool result = true;
+    switch (m_game_status) {
+    case game_start:  DrawGameStartMenu(); break;
+    case game_resume: FinishUpdate(dt); break;
+    case game_over:   DrawGameOverMenu(); break;
+    case game_pause:  DrawGamePauseMenu(); break;
+    case game_exit:   result = false; break;
+    InvalidDefaultCase;
+    }
+
+    if (m_game_status != game_start &&
+        m_game_status != game_exit)
+    {
+        Draw();
+    }
+
+    return result;
+}
+
 void
-Game::DrawDefaultGameOverMenu()
+Game::DrawGameStartMenu()
+{
+    // there is no menu, we just start the game.
+    Start();
+}
+
+void
+Game::DrawGameOverMenu()
 {
     ImGui::Begin("DefaultGameOverMenu", nullptr, s_imgui_window_flags_menu);
     ImGui::Text("Game Over.");
     if (ImGui::Button("Play Again")) {
-        m_game_status = game_starting;
+        m_game_status = game_start;
     }
     if (ImGui::Button("Exit")) {
         m_game_status = game_exit;
@@ -65,14 +118,14 @@ Game::DrawDefaultGameOverMenu()
 }
 
 void
-Game::DrawDefaultGamePausedMenu()
+Game::DrawGamePauseMenu()
 {
     ImGui::Begin("DefaultGamePauseMenu", nullptr, s_imgui_window_flags_menu);
     if (ImGui::Button("Resume")) {
-        m_game_status = game_resuming;
+        m_game_status = game_resume;
     }
     if (ImGui::Button("Restart")) {
-        m_game_status = game_starting;
+        m_game_status = game_start;
     }
     if (ImGui::Button("Exit")) {
         m_game_status = game_exit;
@@ -80,11 +133,16 @@ Game::DrawDefaultGamePausedMenu()
     ImGui::End();
 }
 
-Game::FrameString32
-Game::PushFrameString32(std::u32string&& str)
+void
+Game::ProcessEventDuringPause(SDL_Event& event)
 {
-    m_frame_strings.emplace_back(str);
-    FrameString32 id = static_cast<uint32_t>(m_frame_strings.size()-1);
-    return id;
+    switch (event.type) {
+    case SDL_EVENT_KEY_DOWN: {
+        if (event.key.key == SDLK_ESCAPE) {
+            m_game_status = game_resume;
+        }
+    }
+    default:;
+    }
 }