SHERLOCK: Split Screen class into it's own file

7 files changed, 171 insertions, 115 deletions

diff --git a/engines/sherlock/graphics.cpp b/engines/sherlock/graphics.cpp
index fbfd3b7b45..23d3b443e8 100644
--- a/engines/sherlock/graphics.cpp
+++ b/engines/sherlock/graphics.cpp
@@ -77,88 +77,4 @@ void Surface::fillRect(int x1, int y1, int x2, int y2, byte color) {
     Graphics::Surface::fillRect(Common::Rect(x1, y1, x2, y2), color);
 }
 
-void Surface::drawSprite(int x, int y, SpriteFrame *spriteFrame, bool flipped, bool altFlag) {
-	
-	
-}
-
-/*----------------------------------------------------------------*/
-
-Screen::Screen(SherlockEngine *vm) : Surface(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT), _vm(vm),
-		_backBuffer1(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT),
-		_backBuffer2(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT) {
-	setFont(1);
-}
-
-void Screen::setFont(int fontNumber) {
-	_fontNumber = fontNumber;
-	Common::String fname = Common::String::format("FONT%d.VGS", fontNumber);
-	Common::SeekableReadStream *stream = _vm->_res->load(fname);
-
-	debug("TODO: Loading font %s, size - %d", fname.c_str(), stream->size());
-
-	delete stream;
-}
-
-void Screen::update() {
-	g_system->copyRectToScreen(getPixels(), this->w, 0, 0, this->w, this->h);
-	g_system->updateScreen();
-}
-
-void Screen::getPalette(byte palette[PALETTE_SIZE]) {
-	g_system->getPaletteManager()->grabPalette(palette, 0, PALETTE_COUNT);
-}
-
-void Screen::setPalette(const byte palette[PALETTE_SIZE]) {
-	g_system->getPaletteManager()->setPalette(palette, 0, PALETTE_COUNT);
-}
-
-int Screen::equalizePalette(const byte palette[PALETTE_SIZE]) {
-	int total = 0;
-	byte tempPalette[PALETTE_SIZE];
-	getPalette(tempPalette);
-
-	// For any palette component that doesn't already match the given destination
-	// palette, change by 1 towards the reference palette component
-	for (int idx = 0; idx < PALETTE_SIZE; ++idx) {
-		if (tempPalette[idx] > palette[idx])
-		{
-			--tempPalette[idx];
-			++total;
-		} else if (tempPalette[idx] < palette[idx]) {
-			++tempPalette[idx];
-			++total;
-		}
-	}
-
-	if (total > 0)
-		// Palette changed, so reload it
-		setPalette(tempPalette);
-
-	return total;
-}
-
-void Screen::fadeToBlack() {
-	const int FADE_AMOUNT = 2;
-	bool repeatFlag;
-	byte *srcP;
-	int count;
-	byte tempPalette[PALETTE_SIZE];
-
-	getPalette(tempPalette);
-	do {
-		repeatFlag = false;
-		for (srcP = &tempPalette[0], count = 0; count < PALETTE_SIZE; ++count, ++srcP) {
-			int v = *srcP;
-			if (v) {
-				repeatFlag = true;
-				*srcP = MAX(*srcP - FADE_AMOUNT, 0);
-			}
-		}
-
-		setPalette(tempPalette);
-		_vm->_events->pollEventsAndWait();
-	} while (repeatFlag && !_vm->shouldQuit());
-}
-
 } // End of namespace Sherlock
diff --git a/engines/sherlock/graphics.h b/engines/sherlock/graphics.h
index 79cffa839a..1765cf04ae 100644
--- a/engines/sherlock/graphics.h
+++ b/engines/sherlock/graphics.h
@@ -26,15 +26,8 @@
 #include "common/rect.h"
 #include "graphics/surface.h"
 
-#include "sherlock/sprite.h"
-
 namespace Sherlock {
 
-#define PALETTE_SIZE 768
-#define PALETTE_COUNT 256
-
-class SherlockEngine;
-
 class Surface : public Graphics::Surface {
 protected:
 	virtual void addDirtyRect(const Common::Rect &r) {}
@@ -46,28 +39,6 @@ public:
 	void copyFrom(const Graphics::Surface &src, const Common::Point &pt);
 
 	void fillRect(int x1, int y1, int x2, int y2, byte color);
-	void drawSprite(int x, int y, SpriteFrame *spriteFrame, bool flipped = false, bool altFlag = false);
-};
-
-class Screen : public Surface {
-private:
-	SherlockEngine *_vm;
-	int _fontNumber;
-	Surface _backBuffer1, _backBuffer2;
-public:
-	Screen(SherlockEngine *vm);
-
-	void setFont(int fontNumber);
-
-	void update();
-
-	void getPalette(byte palette[PALETTE_SIZE]);
-
-	void setPalette(const byte palette[PALETTE_SIZE]);
-
-	int equalizePalette(const byte palette[PALETTE_SIZE]);
-
-	void fadeToBlack();
 };
 
 } // End of namespace Sherlock
diff --git a/engines/sherlock/module.mk b/engines/sherlock/module.mk
index 7009f49d3f..06186f1504 100644
--- a/engines/sherlock/module.mk
+++ b/engines/sherlock/module.mk
@@ -12,6 +12,7 @@ MODULE_OBJS = \
 	journal.o \
 	resources.o \
 	room.o \
+	screen.o \
 	sherlock.o \
 	sound.o \
 	sprite.o \
diff --git a/engines/sherlock/screen.cpp b/engines/sherlock/screen.cpp
new file mode 100644
index 0000000000..d3fe68e367
--- /dev/null
+++ b/engines/sherlock/screen.cpp
@@ -0,0 +1,107 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "sherlock/screen.h"
+#include "sherlock/sherlock.h"
+#include "common/system.h"
+#include "graphics/palette.h"
+
+namespace Sherlock {
+
+Screen::Screen(SherlockEngine *vm) : Surface(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT), _vm(vm),
+		_backBuffer1(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT),
+		_backBuffer2(SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCREEN_HEIGHT) {
+	setFont(1);
+}
+
+void Screen::setFont(int fontNumber) {
+	_fontNumber = fontNumber;
+	Common::String fname = Common::String::format("FONT%d.VGS", fontNumber);
+	Common::SeekableReadStream *stream = _vm->_res->load(fname);
+
+	debug("TODO: Loading font %s, size - %d", fname.c_str(), stream->size());
+
+	delete stream;
+}
+
+void Screen::update() {
+	g_system->copyRectToScreen(getPixels(), this->w, 0, 0, this->w, this->h);
+	g_system->updateScreen();
+}
+
+void Screen::getPalette(byte palette[PALETTE_SIZE]) {
+	g_system->getPaletteManager()->grabPalette(palette, 0, PALETTE_COUNT);
+}
+
+void Screen::setPalette(const byte palette[PALETTE_SIZE]) {
+	g_system->getPaletteManager()->setPalette(palette, 0, PALETTE_COUNT);
+}
+
+int Screen::equalizePalette(const byte palette[PALETTE_SIZE]) {
+	int total = 0;
+	byte tempPalette[PALETTE_SIZE];
+	getPalette(tempPalette);
+
+	// For any palette component that doesn't already match the given destination
+	// palette, change by 1 towards the reference palette component
+	for (int idx = 0; idx < PALETTE_SIZE; ++idx) {
+		if (tempPalette[idx] > palette[idx])
+		{
+			--tempPalette[idx];
+			++total;
+		} else if (tempPalette[idx] < palette[idx]) {
+			++tempPalette[idx];
+			++total;
+		}
+	}
+
+	if (total > 0)
+		// Palette changed, so reload it
+		setPalette(tempPalette);
+
+	return total;
+}
+
+void Screen::fadeToBlack() {
+	const int FADE_AMOUNT = 2;
+	bool repeatFlag;
+	byte *srcP;
+	int count;
+	byte tempPalette[PALETTE_SIZE];
+
+	getPalette(tempPalette);
+	do {
+		repeatFlag = false;
+		for (srcP = &tempPalette[0], count = 0; count < PALETTE_SIZE; ++count, ++srcP) {
+			int v = *srcP;
+			if (v) {
+				repeatFlag = true;
+				*srcP = MAX(*srcP - FADE_AMOUNT, 0);
+			}
+		}
+
+		setPalette(tempPalette);
+		_vm->_events->pollEventsAndWait();
+	} while (repeatFlag && !_vm->shouldQuit());
+}
+
+} // End of namespace Sherlock
diff --git a/engines/sherlock/screen.h b/engines/sherlock/screen.h
new file mode 100644
index 0000000000..3d1ad785e6
--- /dev/null
+++ b/engines/sherlock/screen.h
@@ -0,0 +1,61 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SHERLOCK_SCREEN_H
+#define SHERLOCK_SCREEN_H
+
+#include "common/rect.h"
+#include "graphics/surface.h"
+
+#include "sherlock/graphics.h"
+
+namespace Sherlock {
+
+#define PALETTE_SIZE 768
+#define PALETTE_COUNT 256
+
+class SherlockEngine;
+
+class Screen : public Surface {
+private:
+	SherlockEngine *_vm;
+	int _fontNumber;
+	Surface _backBuffer1, _backBuffer2;
+public:
+	Screen(SherlockEngine *vm);
+
+	void setFont(int fontNumber);
+
+	void update();
+
+	void getPalette(byte palette[PALETTE_SIZE]);
+
+	void setPalette(const byte palette[PALETTE_SIZE]);
+
+	int equalizePalette(const byte palette[PALETTE_SIZE]);
+
+	void fadeToBlack();
+};
+
+} // End of namespace Sherlock
+
+#endif
diff --git a/engines/sherlock/sherlock.h b/engines/sherlock/sherlock.h
index b04a14e8ac..8d24a78c81 100644
--- a/engines/sherlock/sherlock.h
+++ b/engines/sherlock/sherlock.h
@@ -33,10 +33,10 @@
 #include "sherlock/animation.h"
 #include "sherlock/debugger.h"
 #include "sherlock/events.h"
-#include "sherlock/graphics.h"
 #include "sherlock/journal.h"
 #include "sherlock/resources.h"
 #include "sherlock/room.h"
+#include "sherlock/screen.h"
 #include "sherlock/sound.h"
 #include "sherlock/talk.h"
 
diff --git a/engines/sherlock/sprite.cpp b/engines/sherlock/sprite.cpp
index 9883d078ae..ca70932155 100644
--- a/engines/sherlock/sprite.cpp
+++ b/engines/sherlock/sprite.cpp
@@ -21,7 +21,7 @@
  */
 
 #include "sherlock/sprite.h"
-#include "sherlock/graphics.h"
+#include "sherlock/screen.h"
 #include "common/debug.h"
 
 namespace Sherlock {