From 7cc82487d368fb94fc4e9e9ad16a80eb4536beda Mon Sep 17 00:00:00 2001
From: Bastien Bouclet
Date: Sat, 14 May 2011 14:10:05 +0200
Subject: MOHAWK: When running scripts in Myst, add delays when necessary
 between draws to mimic older hardware.

---
 engines/mohawk/graphics.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'engines/mohawk/graphics.h')

diff --git a/engines/mohawk/graphics.h b/engines/mohawk/graphics.h
index e1f0b50078..d7057f48cf 100644
--- a/engines/mohawk/graphics.h
+++ b/engines/mohawk/graphics.h
@@ -128,10 +128,12 @@ public:
 	void runTransition(uint16 type, Common::Rect rect, uint16 steps, uint16 delay);
 	void drawRect(Common::Rect rect, RectState state);
 	void drawLine(const Common::Point &p1, const Common::Point &p2, uint32 color);
+	void enableDrawingTimeSimulation(bool enable);
 
 protected:
 	MohawkSurface *decodeImage(uint16 id);
 	MohawkEngine *getVM() { return (MohawkEngine *)_vm; }
+	void simulatePreviousDrawDelay(const Common::Rect &dest);
 
 private:
 	MohawkEngine_Myst *_vm;
@@ -156,6 +158,11 @@ private:
 	Graphics::Surface *_backBuffer;
 	Graphics::PixelFormat _pixelFormat;
 	Common::Rect _viewport;
+
+	int _enableDrawingTimeSimulation;
+	uint32 _nextAllowedDrawTime;
+	static const uint _constantDrawDelay = 10; // ms
+	static const uint _proportionalDrawDelay = 500; // pixels per ms
 };
 
 #endif // ENABLE_MYST
-- 
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