From 6822552a1080dc0f43bbe78e3fadef257bf09672 Mon Sep 17 00:00:00 2001
From: Jonathan Gray
Date: Thu, 31 Jul 2003 14:51:02 +0000
Subject: slightly changed version of erik's implmentation of FadeServer

svn-id: r9328
---
 sword2/driver/d_draw.h    |  3 ++-
 sword2/driver/palette.cpp | 54 +++++++++++++++++++++++++++++++++++++++++------
 sword2/driver/palette.h   |  2 +-
 sword2/sword2.cpp         |  7 ++++++
 sword2/sword2.h           |  1 +
 5 files changed, 59 insertions(+), 8 deletions(-)

(limited to 'sword2')

diff --git a/sword2/driver/d_draw.h b/sword2/driver/d_draw.h
index 0c4302bfaa..cc2ed6532f 100644
--- a/sword2/driver/d_draw.h
+++ b/sword2/driver/d_draw.h
@@ -69,6 +69,7 @@ extern "C" {
 #endif
 
 //#include "ddraw.h"
+#include "driver96.h"
 
 //  Bits defining hardware and emulation capabilities.
 #define RDCAPS_BLTSTRETCH	1
@@ -80,7 +81,7 @@ extern uint8 *lpPalette;			// palette
 extern uint8 *lpBackBuffer;		// back surface
 extern uint8 *lpPrimarySurface;	// DirectDraw front buffer.
 extern uint8 *lpDD2;				// DirectDraw2 object
-extern BOOL						bFullScreen;		// Defines whether the app is running in full screen mode or not.
+extern BOOL bFullScreen;		// Defines whether the app is running in full screen mode or not.
 //extern DDCOLORKEY				blackColorKey;		// transparent pixel for color key blitting.
 extern uint8 blackColorKey;		// transparent pixel for color key blitting.
 extern int32					dxHalCaps;			// Hardware capabilities.
diff --git a/sword2/driver/palette.cpp b/sword2/driver/palette.cpp
index eb13b349db..a969399554 100644
--- a/sword2/driver/palette.cpp
+++ b/sword2/driver/palette.cpp
@@ -151,11 +151,13 @@
 #include <stdio.h>
 //#include <mmsystem.h>
 
-//#include "ddraw.h"
 
-#include "stdafx.h"
-#include "driver96.h"
+#include "common/util.h"
+#include "common/engine.h"
 #include "d_draw.h"
+#include "driver96.h"
+#include "stdafx.h"
+#include "../sword2.h"
 
 #define PALTABLESIZE 64*64*64
 
@@ -350,7 +352,7 @@ int32 SetPalette(int16 startEntry, int16 noEntries, uint8 *colourTable, uint8 fa
 
 int32 DimPalette(void)
 {
-	warning("stub DimpPalette");
+	warning("stub DimPalette");
 /*
 	uint8 *p;
 	uint32 i;
@@ -407,10 +409,50 @@ uint8 GetFadeStatus(void)
 }
 
 
-void FadeServer(void)
+void FadeServer(void *)
 
 {
-	warning("stub FadeServer");
+	int32 currentTime;
+	int16 fadeMultiplier;
+	int16 i;
+
+	StackLock lock(g_sword2->_paletteMutex);
+	
+	switch (fadeStatus) {
+		case RDFADE_UP:
+			currentTime = SVM_timeGetTime();
+			if (currentTime >= fadeStartTime + fadeTotalTime) {
+				fadeStatus = RDFADE_NONE;
+				g_sword2->_syst->set_palette((const byte *) palCopy, 0, 256);
+			} else {
+				fadeMultiplier = (int16) (((int32) (currentTime - fadeStartTime) * 256) / fadeTotalTime);
+				for (i=0; i<256; i++) {
+					fadePalette[i][0] = (palCopy[i][0] * fadeMultiplier) >> 8;
+					fadePalette[i][1] = (palCopy[i][1] * fadeMultiplier) >> 8;
+					fadePalette[i][2] = (palCopy[i][2] * fadeMultiplier) >> 8;
+				}
+				g_sword2->_syst->set_palette((const byte *) fadePalette, 0, 256);
+			}
+			break;
+
+		case RDFADE_DOWN:
+			currentTime = SVM_timeGetTime();
+			if (currentTime >= fadeStartTime + fadeTotalTime) {
+				memset(fadePalette, 0, sizeof(fadePalette));
+				fadeStatus = RDFADE_BLACK;
+			} else {
+				fadeMultiplier = (int16) (((int32) (fadeTotalTime - (currentTime - fadeStartTime)) * 256) / fadeTotalTime);
+				for (i=0; i<256; i++) {
+					fadePalette[i][0] = (palCopy[i][0] * fadeMultiplier) >> 8;
+					fadePalette[i][1] = (palCopy[i][1] * fadeMultiplier) >> 8;
+					fadePalette[i][2] = (palCopy[i][2] * fadeMultiplier) >> 8;
+				}
+			}
+			g_sword2->_syst->set_palette((const byte *) fadePalette, 0, 256);
+			break;
+		}
+
+
 /*
 	int32 currentTime;
 	int16 fadeMultiplier;
diff --git a/sword2/driver/palette.h b/sword2/driver/palette.h
index 3e26bd89a2..0f6cdcf843 100644
--- a/sword2/driver/palette.h
+++ b/sword2/driver/palette.h
@@ -59,7 +59,7 @@
 extern uint8 paletteMatch[64*64*64];
 
 extern int32 RestorePalette(void);
-extern void FadeServer(void);
+extern void FadeServer(void *);
 
 
 #endif
diff --git a/sword2/sword2.cpp b/sword2/sword2.cpp
index 9c82ae4eff..dfb66b5176 100644
--- a/sword2/sword2.cpp
+++ b/sword2/sword2.cpp
@@ -24,7 +24,9 @@
 
 #include "stdafx.h"
 #include "driver/driver96.h"
+#include "driver/palette.h"
 #include "common/gameDetector.h"
+#include "common/timer.h"
 #include "build_display.h"
 #include "console.h"
 #include "controls.h"
@@ -268,6 +270,11 @@ void Sword2State::go()
 		return;
 	}
 
+	_paletteMutex = _syst->create_mutex();
+	_timer->installProcedure(&FadeServer, 40000 / 25);
+
+
+	
 	Zdebug("CALLING: InitialiseDisplay");
 	// rv = InitialiseDisplay(640, 480, 8, RD_FULLSCREEN);
 	_syst->init_size(640, 480);
diff --git a/sword2/sword2.h b/sword2/sword2.h
index 42ad3109ab..972d23d711 100644
--- a/sword2/sword2.h
+++ b/sword2/sword2.h
@@ -62,6 +62,7 @@ class Sword2State : public Engine {
 		uint32 _features;
 		byte _gameId;
 		Sword2Sound *_sound;
+		OSystem::MutexRef _paletteMutex; // put in a gfx class?
 	private:
 		bool _quit;
 };
-- 
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