ZVISION: PaintControl implemented

2 files changed, 305 insertions, 0 deletions

diff --git a/engines/zvision/scripting/controls/paint_control.cpp b/engines/zvision/scripting/controls/paint_control.cpp
new file mode 100644
index 0000000000..a350e9b599
--- /dev/null
+++ b/engines/zvision/scripting/controls/paint_control.cpp
@@ -0,0 +1,215 @@
+/* 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 "common/scummsys.h"
+
+#include "zvision/scripting/controls/paint_control.h"
+
+#include "zvision/zvision.h"
+#include "zvision/scripting/script_manager.h"
+#include "zvision/cursors/cursor_manager.h"
+#include "zvision/graphics/render_manager.h"
+#include "zvision/utility/utility.h"
+
+namespace ZVision {
+
+PaintControl::PaintControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream)
+	: Control(engine, key, CONTROL_PAINT) {
+
+	_cursor = CursorIndex_Active;
+	_paint = NULL;
+	_bkg = NULL;
+	_brush = NULL;
+	_colorKey = 0;
+	_mouseDown = false;
+
+	// Loop until we find the closing brace
+	Common::String line = stream.readLine();
+	trimCommentsAndWhiteSpace(&line);
+	Common::String param;
+	Common::String values;
+	getParams(line, param, values);
+
+	while (!stream.eos() && !line.contains('}')) {
+		if (param.matchString("rectangle", true)) {
+			int x;
+			int y;
+			int width;
+			int height;
+
+			sscanf(values.c_str(), "%d %d %d %d", &x, &y, &width, &height);
+
+			_rectangle = Common::Rect(x, y, width + x, height + y);
+		} else if (param.matchString("cursor", true)) {
+			_cursor = _engine->getCursorManager()->getCursorId(values);
+		} else if (param.matchString("brush_file", true)) {
+			_brush = _engine->getRenderManager()->loadImage(values, false);
+		} else if (param.matchString("venus_id", true)) {
+			_venus_id = atoi(values.c_str());
+		} else if (param.matchString("paint_file", true)) {
+			_paint = _engine->getRenderManager()->loadImage(values, false);
+		} else if (param.matchString("eligible_objects", true)) {
+			char buf[256];
+			memset(buf, 0, 256);
+			strcpy(buf, values.c_str());
+
+			char *curpos = buf;
+			char *strend = buf + strlen(buf);
+			while (true) {
+				char *st = curpos;
+
+				if (st >= strend)
+					break;
+
+				while (*curpos != ' ' && curpos < strend)
+					curpos++;
+
+				*curpos = 0;
+				curpos++;
+
+				int obj = atoi(st);
+
+				_eligible_objects.push_back(obj);
+			}
+		}
+
+		line = stream.readLine();
+		trimCommentsAndWhiteSpace(&line);
+		getParams(line, param, values);
+	}
+
+	if (_paint) {
+		_colorKey = _paint->format.RGBToColor(255,0,255);
+		_bkg = new Graphics::Surface;
+		_bkg->create(_rectangle.width(), _rectangle.height(), _paint->format);
+		_bkg->fillRect(Common::Rect(_rectangle.width(), _rectangle.height()), _colorKey);
+
+		Graphics::Surface *tmp = new Graphics::Surface;
+		tmp->create(_rectangle.width(), _rectangle.height(), _paint->format);
+		_engine->getRenderManager()->blitSurfaceToSurface(*_paint, _rectangle, *tmp, 0, 0);
+		_paint->free();
+		delete _paint;
+		_paint = tmp;
+	}
+
+
+}
+
+PaintControl::~PaintControl() {
+	// Clear the state value back to 0
+	//_engine->getScriptManager()->setStateValue(_key, 0);
+	if (_paint)
+		delete _paint;
+	if (_brush)
+		delete _brush;
+	if (_bkg)
+		delete _bkg;
+}
+
+bool PaintControl::onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	_mouseDown = false;
+
+	return false;
+}
+
+bool PaintControl::onMouseDown(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	if (_rectangle.contains(backgroundImageSpacePos)) {
+		int mouse_item = _engine->getScriptManager()->getStateValue(StateKey_InventoryItem);
+
+		if (eligeblity(mouse_item)) {
+			_mouseDown = true;
+		}
+	}
+
+	return false;
+}
+
+bool PaintControl::onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	if (_rectangle.contains(backgroundImageSpacePos)) {
+		int mouse_item = _engine->getScriptManager()->getStateValue(StateKey_InventoryItem);
+
+		if (eligeblity(mouse_item)) {
+			_engine->getCursorManager()->changeCursor(_cursor);
+
+			if (_mouseDown) {
+				Common::Rect bkgRect = paint(backgroundImageSpacePos);
+				if (!bkgRect.isEmpty()) {
+					Common::Rect imgRect = bkgRect;
+					imgRect.translate(-_rectangle.left, -_rectangle.top);
+
+					Graphics::Surface imgUpdate = _bkg->getSubArea(imgRect);
+
+					_engine->getRenderManager()->blitSurfaceToBkg(imgUpdate, bkgRect.left, bkgRect.top, _colorKey);
+				}
+			}
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool PaintControl::eligeblity(int item_id) {
+	for (Common::List<int>::iterator it = _eligible_objects.begin(); it != _eligible_objects.end(); it++)
+		if (*it == item_id)
+			return true;
+	return false;
+}
+
+Common::Rect PaintControl::paint(const Common::Point &point) {
+	Common::Rect paint_rect = Common::Rect(_brush->w, _brush->h);
+	paint_rect.moveTo(point);
+	paint_rect.clip(_rectangle);
+
+	if (!paint_rect.isEmpty()) {
+		Common::Rect brush_rect = paint_rect;
+		brush_rect.translate(-point.x, -point.y);
+
+		Common::Rect bkg_rect = paint_rect;
+		bkg_rect.translate( -_rectangle.left, -_rectangle.top );
+
+		for (int yy = 0; yy < brush_rect.height(); yy++) {
+			uint16 *mask = (uint16 *)_brush->getBasePtr(brush_rect.left, brush_rect.top + yy);
+			uint16 *from = (uint16 *)_paint->getBasePtr(bkg_rect.left, bkg_rect.top + yy);
+			uint16 *to   = (uint16 *)_bkg->getBasePtr(bkg_rect.left, bkg_rect.top + yy);
+			for (int xx = 0; xx < brush_rect.width(); xx++) {
+				if (*mask != 0)
+					*(to + xx) = *(from + xx);
+
+				mask++;
+			}
+		}
+
+	}
+	return paint_rect;
+}
+
+} // End of namespace ZVision
diff --git a/engines/zvision/scripting/controls/paint_control.h b/engines/zvision/scripting/controls/paint_control.h
new file mode 100644
index 0000000000..c74431e681
--- /dev/null
+++ b/engines/zvision/scripting/controls/paint_control.h
@@ -0,0 +1,90 @@
+/* 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 ZVISION_PAINT_CONTROL_H
+#define ZVISION_PAINT_CONTROL_H
+
+#include "zvision/scripting/control.h"
+
+#include "graphics/surface.h"
+
+#include "common/rect.h"
+#include "common/list.h"
+
+
+namespace ZVision {
+
+class PaintControl : public Control {
+public:
+	PaintControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream);
+	~PaintControl();
+
+	/**
+	 * @param screenSpacePos             The position of the mouse in screen space
+	 * @param backgroundImageSpacePos    The position of the mouse in background image space
+	 */
+	bool onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
+
+	/**
+	 * @param screenSpacePos             The position of the mouse in screen space
+	 * @param backgroundImageSpacePos    The position of the mouse in background image space
+	 */
+	bool onMouseDown(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
+	/**
+	 * Called on every MouseMove. Tests if the mouse is inside _hotspot, and if so, sets the cursor.
+	 *
+	 * @param engine                     The base engine
+	 * @param screenSpacePos             The position of the mouse in screen space
+	 * @param backgroundImageSpacePos    The position of the mouse in background image space
+	 * @return                           Was the cursor changed?
+	 */
+	bool onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos);
+
+	bool process(uint32 deltaTimeInMillis) { return false; };
+
+private:
+	/**
+	 * The area that will trigger the event
+	 * This is in image space coordinates, NOT screen space
+	 */
+
+	uint32 _colorKey;
+
+	Graphics::Surface *_paint;
+	Graphics::Surface *_bkg;
+	Graphics::Surface *_brush;
+
+	Common::List<int> _eligible_objects;
+
+	int _cursor;
+	Common::Rect _rectangle;
+
+	bool _mouseDown;
+
+	bool eligeblity(int item_id);
+	Common::Rect paint(const Common::Point &point);
+
+};
+
+} // End of namespace ZVision
+
+#endif