From d2b0070c5f39661561484f8e2dfd6be271ed21cf Mon Sep 17 00:00:00 2001
From: Ludvig Strigeus
Date: Fri, 12 Apr 2002 21:26:59 +0000
Subject: new video engine (expect broken non-sdl builds), simon the sorcerer 1
 & 2 support (non SCUMM games)

svn-id: r3912
---
 system.h | 122 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 114 insertions(+), 8 deletions(-)

(limited to 'system.h')

diff --git a/system.h b/system.h
index 744a9562e8..07a234b768 100644
--- a/system.h
+++ b/system.h
@@ -1,9 +1,115 @@
-class OSystem
-{
-	public:
-		int waitTick(int delta);
-		int last_time;
-		int new_time;
-
-		OSystem();
+/* Interface to what's below ScummVM */
+
+class OSystem {
+public:
+	typedef int ThreadProc(void *param);
+	typedef void SoundProc(void *param, int16 *buf, int len);
+
+	struct Event {
+		int event_code;
+		struct {
+			uint16 ascii;
+			byte flags;
+			int keycode;
+		} kbd;
+		struct {
+			int x,y;
+		} mouse;
+	};
+
+	enum {
+		EVENT_KEYDOWN = 1,
+//		EVENT_KEYUP = 2,
+		EVENT_MOUSEMOVE = 3,
+		EVENT_LBUTTONDOWN = 4,
+		EVENT_LBUTTONUP = 5,
+		EVENT_RBUTTONDOWN = 6,
+		EVENT_RBUTTONUP = 7,
+	};
+
+	enum {
+		KBD_CTRL = 1,
+		KBD_ALT = 2,
+		KBD_SHIFT = 4,
+	};
+
+	enum {
+		PARAM_TOGGLE_FULLSCREEN = 1,
+		PARAM_WINDOW_CAPTION = 2,
+		PARAM_OPEN_CD = 3,
+		PARAM_HOTSWAP_GFX_MODE = 4,
+		PARAM_SHOW_DEFAULT_CURSOR = 5,
+	};
+
+	enum {
+		SOUND_NONE = 0,
+		SOUND_8BIT = 1,
+		SOUND_16BIT = 2,
+	};
+	
+	// Set colors of the palette
+	virtual void set_palette(const byte *colors, uint start, uint num) = 0;
+
+	// Set the size of the video bitmap.
+	// Typically, 320x200
+	virtual void init_size(uint w, uint h, byte sound) = 0;
+
+	// Draw a bitmap to screen.
+	// The screen will not be updated to reflect the new bitmap
+	virtual void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h) = 0;
+
+	// Update the dirty areas of the screen
+	virtual void update_screen() = 0;
+
+	// Either show or hide the mouse cursor
+	virtual bool show_mouse(bool visible) = 0;
+	
+	// Set the position of the mouse cursor
+	virtual void set_mouse_pos(int x, int y) = 0;
+	
+	// Set the bitmap that's used when drawing the cursor.
+	virtual void set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y) = 0;
+	
+	// Shaking is used in SCUMM. Set current shake position.
+	virtual void set_shake_pos(int shake_pos) = 0;
+		
+	// Get the number of milliseconds since the program was started.
+	virtual uint32 get_msecs() = 0;
+	
+	// Delay for a specified amount of milliseconds
+	virtual void delay_msecs(uint msecs) = 0;
+	
+	// Create a thread
+	virtual void *create_thread(ThreadProc *proc, void *param) = 0;
+	
+	// Get the next event.
+	// Returns true if an event was retrieved.	
+	virtual bool poll_event(Event *event) = 0;
+
+	// Set the function to be invoked whenever samples need to be generated
+	virtual void set_sound_proc(void *param, SoundProc *proc) = 0;
+	
+	virtual uint32 set_param(int param, uint32 value) = 0;
+		
+	// Quit
+	virtual void quit() = 0;
 };
+
+
+/* Factory functions. This means we don't have to include the
+ * OSystem_SDL header file. (which in turn would require the SDL headers)
+ */
+
+/* OSystem_SDL */
+OSystem *OSystem_SDL_create(int gfx_driver, bool full_screen);
+
+enum {
+	GFX_NORMAL = 0,
+	GFX_DOUBLESIZE = 1,
+	GFX_TRIPLESIZE = 2,
+	GFX_2XSAI = 3,
+	GFX_SUPER2XSAI = 4,
+	GFX_SUPEREAGLE = 5,
+};
+
+
-- 
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