ZVISION: Slot control code.

engines/zvision/module.mk

@@ -32,7 +32,8 @@ MODULE_OBJS := \
 	zork_raw.o \
 	sidefx.o \
 	music_node.o \
-	inventory_manager.o
+	inventory_manager.o \
+	slot_control.o
  
 MODULE_DIRS += \
 	engines/zvision

engines/zvision/scr_file_handling.cpp

@@ -29,6 +29,7 @@
 #include "zvision/actions.h"
 #include "zvision/push_toggle_control.h"
 #include "zvision/lever_control.h"
+#include "zvision/slot_control.h"
 
 #include "common/textconsole.h"
 #include "common/file.h"
@@ -342,6 +343,8 @@ Control *ScriptManager::parseControl(Common::String &line, Common::SeekableReadS
 		return NULL;
 	} else if (controlType.equalsIgnoreCase("lever")) {
 		return new LeverControl(_engine, key, stream);
+	} else if (controlType.equalsIgnoreCase("slot")) {
+		return new SlotControl(_engine, key, stream);
 	}
 	return NULL;
 }

engines/zvision/slot_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/slot_control.h"
+
+#include "zvision/zvision.h"
+#include "zvision/script_manager.h"
+#include "zvision/cursor_manager.h"
+#include "zvision/render_manager.h"
+#include "zvision/utility.h"
+
+#include "common/stream.h"
+
+
+namespace ZVision {
+
+SlotControl::SlotControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream)
+	: Control(engine, key) {
+
+	_rendered_item = 0;
+	_bkg = NULL;
+
+	// 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("hotspot", true)) {
+			int x;
+			int y;
+			int width;
+			int height;
+
+			sscanf(values.c_str(), "%d %d %d %d", &x, &y, &width, &height);
+
+			_hotspot = Common::Rect(x, y, width, height);
+		} else 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, height);
+		} else if (param.matchString("cursor", true)) {
+			_cursor = _engine->getCursorManager()->getCursorId(values);
+		} else if (param.matchString("distance_id", true)) {
+			sscanf(values.c_str(), "%c", &_distance_id);
+		} else if (param.matchString("venus_id", true)) {
+			_venus_id = atoi(values.c_str());
+		} 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 (_hotspot.isEmpty() || _rectangle.isEmpty()) {
+		warning("Slot %u was parsed incorrectly", key);
+	}
+}
+
+SlotControl::~SlotControl() {
+	// Clear the state value back to 0
+	//_engine->getScriptManager()->setStateValue(_key, 0);
+
+	if (_bkg)
+		delete _bkg;
+}
+
+bool SlotControl::onMouseUp(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	if (_hotspot.contains(backgroundImageSpacePos)) {
+		//ctrl_setvenus(ct);
+
+		int item = _engine->getScriptManager()->getStateValue(_key);
+		int mouse_item = _engine->getScriptManager()->getStateValue(StateKey_InventoryItem);
+		if (item != 0) {
+			if (mouse_item != 0) {
+				if (eligeblity(mouse_item)) {
+					_engine->getScriptManager()->invertory_drop(mouse_item);
+					_engine->getScriptManager()->invertory_add(item);
+					_engine->getScriptManager()->setStateValue(_key, mouse_item);
+				}
+			} else {
+				_engine->getScriptManager()->invertory_add(item);
+				_engine->getScriptManager()->setStateValue(_key, 0);
+			}
+		} else if (mouse_item == 0) {
+			if (eligeblity(0)) {
+				_engine->getScriptManager()->invertory_drop(0);
+				_engine->getScriptManager()->setStateValue(_key, 0);
+			}
+		} else if (eligeblity(mouse_item)) {
+			_engine->getScriptManager()->setStateValue(_key, mouse_item);
+			_engine->getScriptManager()->invertory_drop(mouse_item);
+		}
+	}
+	return false;
+}
+
+bool SlotControl::onMouseMove(const Common::Point &screenSpacePos, const Common::Point &backgroundImageSpacePos) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	if (_hotspot.contains(backgroundImageSpacePos)) {
+		_engine->getCursorManager()->changeCursor(_cursor);
+		return true;
+	}
+
+	return false;
+}
+
+bool SlotControl::process(uint32 deltaTimeInMillis) {
+	if (_engine->getScriptManager()->getStateFlag(_key) & Puzzle::DISABLED)
+		return false;
+
+	if (_engine->canRender()) {
+		int cur_item = _engine->getScriptManager()->getStateValue(_key);
+		if (cur_item != _rendered_item) {
+			if (_rendered_item == 0) {
+				if (_bkg)
+					delete _bkg;
+
+				_bkg = _engine->getRenderManager()->getBkgRect(_rectangle);
+
+				char buf[16];
+				if (_engine->getGameId() == GID_NEMESIS)
+					sprintf(buf, "%d%cobj.tga", cur_item, _distance_id);
+				else
+					sprintf(buf, "g0z%cu%2.2x1.tga", _distance_id, cur_item);
+
+				Graphics::Surface *srf = _engine->getRenderManager()->loadImage(buf);
+
+				int16 drawx = _rectangle.left;
+				int16 drawy = _rectangle.top;
+
+				if (_rectangle.width() > srf->w)
+					drawx = _rectangle.left + (_rectangle.width() - srf->w) / 2;
+
+				if (_rectangle.height() > srf->h)
+					drawy = _rectangle.top + (_rectangle.height() - srf->h) / 2;
+
+				_engine->getRenderManager()->blitSurfaceToBkg(*srf, drawx, drawy, 0);
+
+				delete srf;
+
+				_rendered_item = cur_item;
+			} else {
+				_engine->getRenderManager()->blitSurfaceToBkg(*_bkg, _rectangle.left, _rectangle.top);
+				_rendered_item = cur_item;
+			}
+		}
+	}
+	return false;
+}
+
+bool SlotControl::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;
+}
+
+} // End of namespace ZVision

engines/zvision/slot_control.h

@@ -0,0 +1,86 @@
+/* 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_SLOT_CONTROL_H
+#define ZVISION_SLOT_CONTROL_H
+
+#include "zvision/control.h"
+
+#include "graphics/surface.h"
+
+#include "common/rect.h"
+#include "common/list.h"
+
+
+namespace ZVision {
+
+class SlotControl : public Control {
+public:
+	SlotControl(ZVision *engine, uint32 key, Common::SeekableReadStream &stream);
+	~SlotControl();
+
+	/**
+	 * Called when LeftMouse is lifted. Calls ScriptManager::setStateValue(_key, 1);
+	 *
+	 * @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);
+	/**
+	 * 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);
+
+private:
+	/**
+	 * The area that will trigger the event
+	 * This is in image space coordinates, NOT screen space
+	 */
+	Common::Rect _rectangle;
+	Common::Rect _hotspot;
+
+	int _cursor;
+	char _distance_id;
+	int _venus_id;
+
+	int _rendered_item;
+
+	Common::List<int> _eligible_objects;
+
+	bool eligeblity(int item_id);
+
+	Graphics::Surface *_bkg;
+
+	/** The cursor to use when hovering over _hotspot */
+	Common::String _hoverCursor;
+};
+
+} // End of namespace ZVision
+
+#endif