Add game framework and whitebox level

game/src/scene/whitebox_scene.cpp

@@ -0,0 +1,84 @@
+#include "whitebox_scene.h"
+
+#include "../core/game_config.h"
+
+#include <frostbite2D/core/application.h>
+#include <frostbite2D/graphics/camera.h>
+#include <frostbite2D/graphics/renderer.h>
+#include <algorithm>
+
+namespace ns_game {
+
+namespace {
+
+void drawRect(const frostbite2D::Rect& rect, const frostbite2D::Color& color) {
+  frostbite2D::Renderer::get().drawQuad(rect, color);
+}
+
+} // namespace
+
+void WhiteboxScene::onEnter() {
+  frostbite2D::Scene::onEnter();
+  level_ = CreateWhiteboxLevel();
+
+  player_ = frostbite2D::MakePtr<PlayerActor>();
+  player_->SetMovementWorld(&level_.collision);
+  AddChild(player_);
+}
+
+void WhiteboxScene::OnUpdate(float deltaTime) {
+  (void)deltaTime;
+  updateCamera();
+}
+
+void WhiteboxScene::Render() {
+  drawWhitebox();
+  frostbite2D::Scene::Render();
+}
+
+void WhiteboxScene::drawWhitebox() const {
+  const float worldWidth = level_.collision.levelRight - level_.collision.levelLeft;
+  drawRect(frostbite2D::Rect(level_.collision.levelLeft, 0.0f, worldWidth,
+                             config::kVirtualHeight),
+           frostbite2D::Color(0.10f, 0.12f, 0.14f, 1.0f));
+
+  for (float x = level_.collision.levelLeft; x <= level_.collision.levelRight;
+       x += 80.0f) {
+    drawRect(frostbite2D::Rect(x, 0.0f, 1.0f, config::kVirtualHeight),
+             frostbite2D::Color(0.20f, 0.22f, 0.25f, 1.0f));
+  }
+  for (float y = 0.0f; y <= config::kVirtualHeight; y += 80.0f) {
+    drawRect(frostbite2D::Rect(level_.collision.levelLeft, y, worldWidth, 1.0f),
+             frostbite2D::Color(0.20f, 0.22f, 0.25f, 1.0f));
+  }
+
+  for (const auto& prop : level_.props) {
+    drawRect(prop.bounds, prop.color);
+  }
+
+  for (const auto& platform : level_.collision.platforms) {
+    drawRect(platform, frostbite2D::Color(0.62f, 0.68f, 0.73f, 1.0f));
+    drawRect(frostbite2D::Rect(platform.left(), platform.top(), platform.width(), 4.0f),
+             frostbite2D::Color(0.91f, 0.95f, 0.98f, 1.0f));
+  }
+}
+
+void WhiteboxScene::updateCamera() {
+  if (!player_) {
+    return;
+  }
+
+  auto* renderer = frostbite2D::Application::get().getRenderer();
+  if (!renderer || !renderer->getCamera()) {
+    return;
+  }
+
+  const auto playerPos = player_->GetTopLeftPosition();
+  const float targetX = std::clamp(playerPos.x - 420.0f,
+                                   level_.collision.levelLeft,
+                                   level_.collision.levelRight -
+                                       static_cast<float>(config::kVirtualWidth));
+  renderer->getCamera()->setPosition(frostbite2D::Vec2(targetX, 0.0f));
+}
+
+} // namespace ns_game

game/src/scene/whitebox_scene.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "../actor/player_actor.h"
+#include "../data/level_definition.h"
+
+#include <frostbite2D/scene/scene.h>
+#include <frostbite2D/types/type_math.h>
+
+namespace ns_game {
+
+class WhiteboxScene : public frostbite2D::Scene {
+public:
+  void onEnter() override;
+  void OnUpdate(float deltaTime) override;
+  void Render() override;
+
+private:
+  void drawWhitebox() const;
+  void updateCamera();
+
+  LevelDefinition level_;
+  frostbite2D::Ptr<PlayerActor> player_;
+};
+
+} // namespace ns_game