Add camera zone lock
This commit is contained in:
@@ -178,12 +178,13 @@ mindmap
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- `scene/whitebox_scene.*`
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- `scene/camera_controller.*`:玩家跟随、dead zone、平滑和世界边界 clamp。
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- `CameraZoneLock`:玩家进入 battle zone 后摄像机锁定到 zone camera bounds,当前用 `F2` debug 清场解锁。
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下一步:
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- 抽象 `GameplayScene` 作为通用玩法场景基类。
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- `WhiteboxScene` 只保留第一关测试内容。
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- 引入 battle zone 触发逻辑。
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- 将 battle zone debug 清场替换为敌人清空自动解锁。
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- 增加局内 reset 入口,用于卡状态、死亡重开和联机重同步。
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### 3. Stage
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@@ -579,15 +580,14 @@ mindmap
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下一步建议按这个顺序做:
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1. `CameraZoneLock`:让 battle zone 可以临时锁定摄像机范围,清场后恢复跟随。
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2. `StageLayerSource`:让 `StageLayer` 同时支持色块占位和 sprite 资源路径。
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3. `StageAssetSlots`:建立 `stage_01` 资源槽位和素材来源记录,做到素材可直接落位。
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4. `StageProps`:把后景/前景 props 统一到 layer 数据。
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5. `BattleZone`:在现有 zone 数据上做触发、锁镜头、清场解锁。
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6. `EnemyActor`:做第一个敌人占位,接入出生点。
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7. `CombatSystem`:把 hitbox/hurtbox 真正跑起来。
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8. `SpriteAnimator`:把玩家动画从硬编码改成组件。
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9. `InputConfig`:把默认键位/手柄映射迁移到可配置数据。
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1. `StageLayerSource`:让 `StageLayer` 同时支持色块占位和 sprite 资源路径。
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2. `StageAssetSlots`:建立 `stage_01` 资源槽位和素材来源记录,做到素材可直接落位。
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3. `StageProps`:把后景/前景 props 统一到 layer 数据。
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4. `BattleZone`:把 `F2` debug 清场替换为敌人清空自动解锁。
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5. `EnemyActor`:做第一个敌人占位,接入出生点。
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6. `CombatSystem`:把 hitbox/hurtbox 真正跑起来。
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7. `SpriteAnimator`:把玩家动画从硬编码改成组件。
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8. `InputConfig`:把默认键位/手柄映射迁移到可配置数据。
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## 素材协作提示
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@@ -22,6 +22,7 @@
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- `DebugOverlay` 已能显示碰撞、玩家框、battle zone、camera lock 范围和 spawn point。
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- `WhiteboxScene` 已支持 `F1` 切换 debug overlay。
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- `CameraController` 已接入:修复场景 `OnUpdate()` 不被调用导致摄像机不动的问题,并提供跟随、dead zone、平滑和世界边界 clamp。
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- `CameraZoneLock` 已接入:玩家进入 battle zone 后摄像机临时锁定到 zone camera bounds,`F2` 临时清场并恢复全关卡跟随。
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## 2. 第一关场景目标
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@@ -250,7 +251,7 @@ game/assets/stage/stage_01/
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### 场景骨架实施顺序
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1. 已完成:`CameraController` 修复当前摄像机不会动的问题,实现玩家跟随、边界 clamp、dead zone 和平滑参数。
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2. `CameraZoneLock`:让 battle zone 可以锁定摄像机范围,先只做 debug 触发和解锁占位。
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2. 已完成:`CameraZoneLock` 让 battle zone 可以锁定摄像机范围,先用 `F2` 做 debug 清场和解锁占位。
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3. `StageLayerSource`:扩展 `StageLayer`,让每个 rect 支持色块占位或 sprite 资源路径。
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4. `StageAssetSlots`:创建并记录 `stage_01` 资源槽位,不要求已有最终素材。
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5. `StageProps`:把 props 从旧 `WhiteboxProp` 迁移到统一 layer 数据,支持 back/front 两层。
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@@ -34,6 +34,17 @@ struct BattleZoneDefinition {
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std::vector<SpawnPoint> enemySpawns;
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};
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enum class BattleZoneDebugState {
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Idle,
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Active,
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Cleared
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};
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struct BattleZoneDebugInfo {
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size_t zoneIndex = 0;
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BattleZoneDebugState state = BattleZoneDebugState::Idle;
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};
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struct StageLayer {
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std::string id;
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StageLayerRole role = StageLayerRole::LevelVisual;
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@@ -37,15 +37,43 @@ void drawCross(const frostbite2D::Vec2& position,
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color);
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}
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BattleZoneDebugState resolveZoneState(
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size_t zoneIndex, const std::vector<BattleZoneDebugInfo>* debugInfo) {
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if (!debugInfo) {
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return BattleZoneDebugState::Idle;
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}
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for (const BattleZoneDebugInfo& info : *debugInfo) {
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if (info.zoneIndex == zoneIndex) {
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return info.state;
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}
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}
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return BattleZoneDebugState::Idle;
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}
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frostbite2D::Color zoneColor(BattleZoneDebugState state) {
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switch (state) {
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case BattleZoneDebugState::Active:
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return frostbite2D::Color(1.0f, 0.82f, 0.15f, 0.95f);
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case BattleZoneDebugState::Cleared:
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return frostbite2D::Color(0.45f, 0.48f, 0.52f, 0.65f);
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case BattleZoneDebugState::Idle:
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default:
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return frostbite2D::Color(0.95f, 0.25f, 0.25f, 0.9f);
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}
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}
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} // namespace
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void DebugOverlay::Render(const LevelDefinition& level, const DebugFlags& flags,
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const frostbite2D::Rect* playerBounds) const {
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const frostbite2D::Rect* playerBounds,
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const std::vector<BattleZoneDebugInfo>*
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battleZoneDebug) const {
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if (flags.showCollision) {
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drawCollision(level);
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}
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if (flags.showBattleZones) {
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drawBattleZones(level);
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drawBattleZones(level, battleZoneDebug);
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}
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if (flags.showSpawnPoints) {
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drawSpawnPoints(level);
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@@ -65,9 +93,12 @@ void DebugOverlay::drawActorBounds(const frostbite2D::Rect& bounds) const {
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drawOutline(bounds, frostbite2D::Color(1.0f, 0.78f, 0.1f, 0.9f));
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}
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void DebugOverlay::drawBattleZones(const LevelDefinition& level) const {
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for (const BattleZoneDefinition& zone : level.battleZones) {
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drawOutline(zone.trigger, frostbite2D::Color(0.95f, 0.25f, 0.25f, 0.9f),
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void DebugOverlay::drawBattleZones(
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const LevelDefinition& level,
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const std::vector<BattleZoneDebugInfo>* battleZoneDebug) const {
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for (size_t i = 0; i < level.battleZones.size(); ++i) {
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const BattleZoneDefinition& zone = level.battleZones[i];
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drawOutline(zone.trigger, zoneColor(resolveZoneState(i, battleZoneDebug)),
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3.0f);
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drawOutline(zone.cameraBounds,
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frostbite2D::Color(0.25f, 0.55f, 1.0f, 0.75f), 2.0f);
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@@ -4,18 +4,22 @@
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#include "../data/level_definition.h"
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#include <frostbite2D/types/type_math.h>
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#include <vector>
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namespace ns_game {
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class DebugOverlay {
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public:
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void Render(const LevelDefinition& level, const DebugFlags& flags,
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const frostbite2D::Rect* playerBounds) const;
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const frostbite2D::Rect* playerBounds,
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const std::vector<BattleZoneDebugInfo>* battleZoneDebug) const;
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private:
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void drawCollision(const LevelDefinition& level) const;
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void drawActorBounds(const frostbite2D::Rect& bounds) const;
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void drawBattleZones(const LevelDefinition& level) const;
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void drawBattleZones(
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const LevelDefinition& level,
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const std::vector<BattleZoneDebugInfo>* battleZoneDebug) const;
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void drawSpawnPoints(const LevelDefinition& level) const;
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};
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@@ -27,6 +27,10 @@ void CameraController::Configure(const CameraControllerConfig& config) {
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config_ = config;
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}
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void CameraController::SetWorldBounds(const frostbite2D::Rect& worldBounds) {
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config_.worldBounds = worldBounds;
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}
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void CameraController::SnapToTarget(frostbite2D::Camera& camera,
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const frostbite2D::Rect& targetBounds) {
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camera.setPosition(clampToWorld(
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@@ -16,6 +16,7 @@ struct CameraControllerConfig {
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class CameraController {
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public:
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void Configure(const CameraControllerConfig& config);
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void SetWorldBounds(const frostbite2D::Rect& worldBounds);
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void SnapToTarget(frostbite2D::Camera& camera,
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const frostbite2D::Rect& targetBounds);
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void Update(frostbite2D::Camera& camera, const frostbite2D::Rect& targetBounds,
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@@ -12,6 +12,9 @@ namespace ns_game {
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void WhiteboxScene::onEnter() {
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frostbite2D::Scene::onEnter();
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level_ = CreateWhiteboxLevel();
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battleZoneStates_.clear();
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battleZoneStates_.resize(level_.battleZones.size());
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activeBattleZoneIndex_ = -1;
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player_ = frostbite2D::MakePtr<PlayerActor>();
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player_->SetTopLeftPosition(level_.playerSpawn);
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@@ -22,6 +25,7 @@ void WhiteboxScene::onEnter() {
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void WhiteboxScene::Update(float deltaTime) {
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frostbite2D::Scene::Update(deltaTime);
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updateBattleZones();
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updateCamera(deltaTime);
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}
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@@ -33,6 +37,11 @@ bool WhiteboxScene::OnEvent(const frostbite2D::Event& event) {
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toggleDebugOverlay();
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return true;
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}
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if (!keyEvent.isRepeat() &&
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keyEvent.getKeyCode() == frostbite2D::KeyCode::F2) {
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clearActiveBattleZone();
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return true;
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}
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}
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return frostbite2D::Scene::OnEvent(event);
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@@ -43,7 +52,10 @@ void WhiteboxScene::Render() {
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frostbite2D::Scene::Render();
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const frostbite2D::Rect playerBounds =
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player_ ? player_->GetWorldBounds() : frostbite2D::Rect::Zero();
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debugOverlay_.Render(level_, debugFlags_, player_ ? &playerBounds : nullptr);
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const std::vector<BattleZoneDebugInfo> battleZoneDebug =
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buildBattleZoneDebugInfo();
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debugOverlay_.Render(level_, debugFlags_, player_ ? &playerBounds : nullptr,
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&battleZoneDebug);
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}
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frostbite2D::Camera* WhiteboxScene::activeCamera() const {
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@@ -54,6 +66,22 @@ frostbite2D::Camera* WhiteboxScene::activeCamera() const {
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return renderer->getCamera();
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}
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std::vector<BattleZoneDebugInfo> WhiteboxScene::buildBattleZoneDebugInfo()
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const {
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std::vector<BattleZoneDebugInfo> debugInfo;
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debugInfo.reserve(battleZoneStates_.size());
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for (size_t i = 0; i < battleZoneStates_.size(); ++i) {
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BattleZoneDebugState state = BattleZoneDebugState::Idle;
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if (battleZoneStates_[i].cleared) {
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state = BattleZoneDebugState::Cleared;
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} else if (activeBattleZoneIndex_ == static_cast<int>(i)) {
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state = BattleZoneDebugState::Active;
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}
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debugInfo.push_back(BattleZoneDebugInfo{i, state});
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}
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return debugInfo;
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}
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void WhiteboxScene::configureCamera() {
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auto* camera = activeCamera();
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if (!camera) {
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@@ -83,6 +111,41 @@ void WhiteboxScene::toggleDebugOverlay() {
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debugFlags_.showSpawnPoints = enabled;
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}
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void WhiteboxScene::clearActiveBattleZone() {
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if (activeBattleZoneIndex_ < 0 ||
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activeBattleZoneIndex_ >= static_cast<int>(battleZoneStates_.size())) {
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return;
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}
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battleZoneStates_[static_cast<size_t>(activeBattleZoneIndex_)].cleared = true;
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activeBattleZoneIndex_ = -1;
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cameraController_.SetWorldBounds(level_.cameraBounds);
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}
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void WhiteboxScene::updateBattleZones() {
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if (!player_) {
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return;
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}
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if (activeBattleZoneIndex_ >= 0) {
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return;
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}
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const frostbite2D::Rect playerBounds = player_->GetWorldBounds();
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for (size_t i = 0; i < level_.battleZones.size(); ++i) {
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BattleZoneRuntime& runtime = battleZoneStates_[i];
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if (runtime.cleared ||
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!level_.battleZones[i].trigger.intersects(playerBounds)) {
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continue;
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}
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runtime.triggered = true;
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activeBattleZoneIndex_ = static_cast<int>(i);
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cameraController_.SetWorldBounds(level_.battleZones[i].cameraBounds);
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break;
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}
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}
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void WhiteboxScene::updateCamera(float deltaTime) {
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if (!player_) {
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return;
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@@ -9,6 +9,8 @@
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#include <frostbite2D/scene/scene.h>
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#include <frostbite2D/types/type_math.h>
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#include <string>
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#include <vector>
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namespace ns_game {
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@@ -20,13 +22,23 @@ public:
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void Render() override;
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private:
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struct BattleZoneRuntime {
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bool triggered = false;
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bool cleared = false;
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};
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frostbite2D::Camera* activeCamera() const;
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std::vector<BattleZoneDebugInfo> buildBattleZoneDebugInfo() const;
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void configureCamera();
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void toggleDebugOverlay();
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void clearActiveBattleZone();
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void updateBattleZones();
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void updateCamera(float deltaTime);
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LevelDefinition level_;
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DebugFlags debugFlags_;
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std::vector<BattleZoneRuntime> battleZoneStates_;
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int activeBattleZoneIndex_ = -1;
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CameraController cameraController_;
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StageRenderer stageRenderer_;
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DebugOverlay debugOverlay_;
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