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/* 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.
*
* $URL$
* $Id$
*
*/
/*
* This code is based on original Hugo Trilogy source code
*
* Copyright (c) 1989-1995 David P. Gray
*
*/
// mouse.cpp : Handle all mouse activity
#include "common/system.h"
#include "hugo/hugo.h"
#include "hugo/game.h"
#include "hugo/mouse.h"
#include "hugo/schedule.h"
#include "hugo/display.h"
#include "hugo/inventory.h"
#include "hugo/route.h"
#include "hugo/util.h"
#include "hugo/object.h"
#include "hugo/text.h"
namespace Hugo {
MouseHandler::MouseHandler(HugoEngine *vm) : _vm(vm) {
}
/**
* Shadow-blit supplied string into dib_a at cx,cy and add to display list
*/
void MouseHandler::cursorText(const char *buffer, const int16 cx, const int16 cy, const uif_t fontId, const int16 color) {
debugC(1, kDebugMouse, "cursorText(%s, %d, %d, %d, %d)", buffer, cx, cy, fontId, color);
_vm->_screen->loadFont(fontId);
// Find bounding rect for string
int16 sdx = _vm->_screen->stringLength(buffer);
int16 sdy = _vm->_screen->fontHeight() + 1; // + 1 for shadow
int16 sx, sy;
if (cx < kXPix / 2) {
sx = cx + kCursorNameOffX;
sy = (_vm->getGameStatus().inventoryObjId == -1) ? cy + kCursorNameOffY : cy + kCursorNameOffY - (_vm->_screen->fontHeight() + 1);
} else {
sx = cx - sdx - kCursorNameOffX / 2;
sy = cy + kCursorNameOffY;
}
// Display the string and add rect to display list
_vm->_screen->shadowStr(sx, sy, buffer, _TBRIGHTWHITE);
_vm->_screen->displayList(kDisplayAdd, sx, sy, sdx, sdy);
}
/**
* Find the exit hotspot containing cx, cy.
* Return hotspot index or -1 if not found.
*/
int16 MouseHandler::findExit(const int16 cx, const int16 cy) {
debugC(2, kDebugMouse, "findExit(%d, %d)", cx, cy);
int i = 0;
for (hotspot_t *hotspot = _vm->_hotspots; hotspot->screenIndex >= 0; i++, hotspot++) {
if (hotspot->screenIndex == *_vm->_screen_p) {
if (cx >= hotspot->x1 && cx <= hotspot->x2 && cy >= hotspot->y1 && cy <= hotspot->y2)
return i;
}
}
return -1;
}
/**
* Process a mouse right click at coord cx, cy over object objid
*/
void MouseHandler::processRightClick(const int16 objId, const int16 cx, const int16 cy) {
debugC(1, kDebugMouse, "ProcessRightClick(%d, %d, %d)", objId, cx, cy);
status_t &gameStatus = _vm->getGameStatus();
if (gameStatus.storyModeFl || _vm->_hero->pathType == kPathQuiet) // Make sure user has control
return;
bool foundFl = false; // TRUE if route found to object
// Check if this was over iconbar
if ((gameStatus.inventoryState == kInventoryActive) && (cy < kInvDy + kDibOffY)) { // Clicked over iconbar object
if (gameStatus.inventoryObjId == -1)
_vm->_screen->selectInventoryObjId(objId);
else if (gameStatus.inventoryObjId == objId)
_vm->_screen->resetInventoryObjId();
else
_vm->_object->useObject(objId); // Use status.objid on object
} else { // Clicked over viewport object
object_t *obj = &_vm->_object->_objects[objId];
int16 x, y;
switch (obj->viewx) { // Where to walk to
case -1: // Walk to object position
if (_vm->_object->findObjectSpace(obj, &x, &y))
foundFl = _vm->_route->startRoute(kRouteGet, objId, x, y);
if (!foundFl) // Can't get there, try to use from here
_vm->_object->useObject(objId);
break;
case 0: // Immediate use
_vm->_object->useObject(objId); // Pick up or use object
break;
default: // Walk to view point if possible
if (!_vm->_route->startRoute(kRouteGet, objId, obj->viewx, obj->viewy)) {
if (_vm->_hero->cycling == kCycleInvisible) // If invisible do
_vm->_object->useObject(objId); // immediate use
else
Utils::Box(kBoxAny, "%s", _vm->_text->getTextMouse(kMsNoWayText)); // Can't get there
}
break;
}
}
}
/** Process a left mouse click over:
* 1. An icon - show description
* 2. An object - walk to and show description
* 3. An icon scroll arrow - scroll the iconbar
* 4. Nothing - attempt to walk there
* 5. Exit - walk to exit hotspot
*/
void MouseHandler::processLeftClick(const int16 objId, const int16 cx, const int16 cy) {
debugC(1, kDebugMouse, "ProcessLeftClick(%d, %d, %d)", objId, cx, cy);
int16 i, x, y;
object_t *obj;
status_t &gameStatus = _vm->getGameStatus();
if (gameStatus.storyModeFl || _vm->_hero->pathType == kPathQuiet) // Make sure user has control
return;
switch (objId) {
case -1: // Empty space - attempt to walk there
_vm->_route->startRoute(kRouteSpace, 0, cx, cy);
break;
case kLeftArrow: // A scroll arrow - scroll the iconbar
case kRightArrow:
// Scroll the iconbar and display results
_vm->_inventory->processInventory((objId == kLeftArrow) ? kInventoryActionLeft : kInventoryActionRight);
_vm->_screen->moveImage(_vm->_screen->getIconBuffer(), 0, 0, kXPix, kInvDy, kXPix, _vm->_screen->getFrontBuffer(), 0, kDibOffY, kXPix);
_vm->_screen->moveImage(_vm->_screen->getIconBuffer(), 0, 0, kXPix, kInvDy, kXPix, _vm->_screen->getBackBuffer(), 0, kDibOffY, kXPix);
_vm->_screen->displayList(kDisplayAdd, 0, kDibOffY, kXPix, kInvDy);
break;
case kExitHotspot: // Walk to exit hotspot
i = findExit(cx, cy);
x = _vm->_hotspots[i].viewx;
y = _vm->_hotspots[i].viewy;
if (x >= 0) { // Hotspot refers to an exit
// Special case of immediate exit
if (gameStatus.jumpExitFl) {
// Get rid of iconbar if necessary
if (gameStatus.inventoryState != kInventoryOff)
gameStatus.inventoryState = kInventoryUp;
_vm->_scheduler->insertActionList(_vm->_hotspots[i].actIndex);
} else { // Set up route to exit spot
if (_vm->_hotspots[i].direction == Common::KEYCODE_RIGHT)
x -= kHeroMaxWidth;
else if (_vm->_hotspots[i].direction == Common::KEYCODE_LEFT)
x += kHeroMaxWidth;
if (!_vm->_route->startRoute(kRouteExit, i, x, y))
Utils::Box(kBoxAny, "%s", _vm->_text->getTextMouse(kMsNoWayText)); // Can't get there
}
// Get rid of any attached icon
_vm->_screen->resetInventoryObjId();
}
break;
default: // Look at an icon or object
obj = &_vm->_object->_objects[objId];
// Over iconbar - immediate description
if ((gameStatus.inventoryState == kInventoryActive) && (cy < kInvDy + kDibOffY)) {
_vm->_object->lookObject(obj);
} else {
bool foundFl = false; // TRUE if route found to object
switch (obj->viewx) { // Clicked over viewport object
case -1: // Walk to object position
if (_vm->_object->findObjectSpace(obj, &x, &y))
foundFl = _vm->_route->startRoute(kRouteLook, objId, x, y);
if (!foundFl) // Can't get there, immediate description
_vm->_object->lookObject(obj);
break;
case 0: // Immediate description
_vm->_object->lookObject(obj);
break;
default: // Walk to view point if possible
if (!_vm->_route->startRoute(kRouteLook, objId, obj->viewx, obj->viewy)) {
if (_vm->_hero->cycling == kCycleInvisible) // If invisible do
_vm->_object->lookObject(obj); // immediate decription
else
Utils::Box(kBoxAny, "%s", _vm->_text->getTextMouse(kMsNoWayText)); // Can't get there
}
break;
}
}
break;
}
}
/**
* Process mouse activity
*/
void MouseHandler::mouseHandler() {
debugC(2, kDebugMouse, "mouseHandler");
status_t &gameStatus = _vm->getGameStatus();
if ((gameStatus.viewState != kViewPlay) && (gameStatus.inventoryState != kInventoryActive))
return;
int16 cx = _vm->getMouseX();
int16 cy = _vm->getMouseY();
gameStatus.cx = cx; // Save cursor coords
gameStatus.cy = cy;
// Don't process if outside client area
if ((cx < 0) || (cx > kXPix) || (cy < kDibOffY) || (cy > kViewSizeY + kDibOffY))
return;
int16 objId = -1; // Current source object
// Process cursor over an object or icon
if (gameStatus.inventoryState == kInventoryActive) { // Check inventory icon bar first
objId = _vm->_inventory->processInventory(kInventoryActionGet, cx, cy);
} else {
if (cy < 5 && cy > 0) {
_vm->_topMenu->runModal();
}
}
if (!gameStatus.gameOverFl) {
if (objId == -1) // No match, check rest of view
objId = _vm->_object->findObject(cx, cy);
if (objId >= 0) { // Got a match
// Display object name next to cursor (unless CURSOR_NOCHAR)
// Note test for swapped hero name
char *name = _vm->_text->getNoun(_vm->_object->_objects[(objId == kHeroIndex) ? _vm->_heroImage : objId].nounIndex, kCursorNameIndex);
if (name[0] != kCursorNochar)
cursorText(name, cx, cy, U_FONT8, _TBRIGHTWHITE);
// Process right click over object in view or iconbar
if (gameStatus.rightButtonFl)
processRightClick(objId, cx, cy);
}
// Process cursor over an exit hotspot
if (objId == -1) {
int i = findExit(cx, cy);
if (i != -1 && _vm->_hotspots[i].viewx >= 0) {
objId = kExitHotspot;
cursorText(_vm->_text->getTextMouse(kMsExit), cx, cy, U_FONT8, _TBRIGHTWHITE);
}
}
}
// Left click over icon, object or to move somewhere
if (gameStatus.leftButtonFl)
processLeftClick(objId, cx, cy);
// Clear mouse click states
gameStatus.leftButtonFl = false;
gameStatus.rightButtonFl = false;
}
} // End of namespace Hugo
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