增加技能演示选项

src/include/Tetris.h

@@ -191,6 +191,16 @@ struct CellFlashEffect
     COLORREF color;
 };
 
+struct GravityFallEffect
+{
+    int ticks;
+    int totalTicks;
+    int x;
+    int fromY;
+    int toY;
+    int cellValue;
+};
+
 enum ScreenState
 {
     SCREEN_MENU = 0,
@@ -240,6 +250,7 @@ extern ClearEffectState clearEffectState;
 extern FloatingTextEffect floatingTextEffects[8];
 extern ParticleEffect particleEffects[96];
 extern CellFlashEffect cellFlashEffects[64];
+extern GravityFallEffect gravityFallEffects[80];
 extern int currentScreen;
 extern int currentMode;
 extern int currentFallInterval;
@@ -270,11 +281,17 @@ void StartGameWithMode(int mode);
 void ReturnToMainMenu();
 void ReviveAfterVideo();
 void StartRogueSkillDemo();
+void StartRogueSkillDemoAt(int demoIndex);
 bool IsRogueSkillDemoMode();
 bool TickRogueSkillDemo();
 void AdvanceRogueSkillDemo();
+int GetRogueSkillDemoCount();
+const TCHAR* GetRogueSkillDemoName(int demoIndex);
+const TCHAR* GetRogueSkillDemoDetail(int demoIndex);
+const TCHAR* GetCurrentRogueSkillDemoName();
 void SetFeedbackMessage(const TCHAR* title, const TCHAR* detail, int ticks);
 void OpenRulesScreen();
+void OpenSkillDemoScreen();
 void OpenCreditScreen();
 void ChangeCreditPage(int direction);
 void OpenUpgradeMenu();
@@ -292,6 +309,7 @@ void TriggerLineClearEffect(const int* rows, int rowCount, int linesCleared);
 void PlayPendingLineClearEffect();
 void TriggerCellClearEffect(const Point* cells, int cellCount, bool strongBurst);
 void TriggerColoredCellClearEffect(const Point* cells, int cellCount, COLORREF flashColor, bool strongBurst);
+void TriggerGravityFallEffect(int x, int fromY, int toY, int cellValue);
 void AwardRogueSkillClearRewards(int clearedCells, int& scoreGain, int& expGain, bool allowLevelProgress);
 void CheckRogueLevelProgress();
 void ApplyBoardGravity();

src/include/TetrisLogicInternal.h

@@ -84,6 +84,11 @@ void RollCurrentPieceSpecialFlags(bool allowRandomSpecials);
  */
 void QueueLineClearEffect(const int* rows, int rowCount, int linesCleared);
 
+/**
+ * @brief 记录固定方块受重力下落的轨迹，用于播放纵向残影特效。
+ */
+void TriggerGravityFallEffect(int x, int fromY, int toY, int cellValue);
+
 /**
  * @brief 尝试把旋转后的方块横向偏移指定格数后放置。
  */

src/include/resource.h

@@ -12,6 +12,7 @@
 #define IDD_ABOUTBOX 103
 #define IDM_ABOUT 104
 #define IDM_EXIT 105
+#define IDM_SKILL_DEMO 106
 #define IDI_TETRIS 107
 #define IDI_SMALL 108
 #define IDC_TETRIS 109