scummvm/engines/gob/hotspots.h
2011-05-12 01:16:22 +02:00

276 lines
8.2 KiB
C++

/* 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 GOB_HOTSPOTS_H
#define GOB_HOTSPOTS_H
#include "common/stack.h"
#include "gob/util.h"
namespace Gob {
class Font;
class Script;
class Hotspots {
public:
static const int kHotspotCount = 250;
enum Type {
kTypeNone = 0,
kTypeMove = 1,
kTypeClick = 2,
kTypeInput1NoLeave = 3,
kTypeInput1Leave = 4,
kTypeInput2NoLeave = 5,
kTypeInput2Leave = 6,
kTypeInput3NoLeave = 7,
kTypeInput3Leave = 8,
kTypeInputFloatNoLeave = 9,
kTypeInputFloatLeave = 10,
kTypeEnable2 = 11,
kTypeEnable1 = 12,
kTypeClickEnter = 21
};
enum State {
kStateFilledDisabled = 0xC,
kStateFilled = 0x8,
kStateDisabled = 0x4,
kStateType2 = 0x2,
kStateType1 = 0x1
};
Hotspots(GobEngine *vm);
~Hotspots();
/** Remove all hotspots. */
void clear();
/** Add a hotspot, returning the new index. */
uint16 add(uint16 id,
uint16 left, uint16 top, uint16 right, uint16 bottom,
uint16 flags, uint16 key,
uint16 funcEnter, uint16 funcLeave, uint16 funcPos);
/** Remove a specific hotspot. */
void remove(uint16 id);
/** Remove all hotspots in this state. */
void removeState(uint8 state);
/** Push the current hotspots onto the stack.
*
* @param all 0: Don't push global ones; 1: Push all; 2: Push only the disabled ones
* @param force Force a push although _shouldPush is false
*/
void push(uint8 all, bool force = false);
/** Pop hotspots from the stack. */
void pop();
/** Check the current hotspot. */
uint16 check(uint8 handleMouse, int16 delay, uint16 &id, uint16 &index);
/** Check the current hotspot. */
uint16 check(uint8 handleMouse, int16 delay);
/** Evaluate hotspot changes. */
void evaluate();
/** Return the cursor found in the hotspot to the coordinates. */
int16 findCursor(uint16 x, uint16 y) const;
/** implementation of oPlaytoons_F_1B code*/
void oPlaytoons_F_1B();
private:
struct Hotspot {
uint16 id;
uint16 left;
uint16 top;
uint16 right;
uint16 bottom;
uint16 flags;
uint16 key;
uint16 funcEnter;
uint16 funcLeave;
uint16 funcPos;
Script *script;
Hotspot();
Hotspot(uint16 i,
uint16 l, uint16 t, uint16 r, uint16 b, uint16 f, uint16 k,
uint16 enter, uint16 leave, uint16 pos);
void clear();
Type getType () const;
MouseButtons getButton() const;
uint16 getWindow() const;
uint8 getCursor() const;
uint8 getState () const;
/** Is this hotspot the block end marker? */
bool isEnd() const;
bool isInput () const;
bool isActiveInput() const;
bool isInputLeave () const;
bool isFilled () const;
bool isFilledEnabled() const;
bool isFilledNew () const;
bool isDisabled () const;
/** Are the specified coordinates in the hotspot? */
bool isIn(uint16 x, uint16 y) const;
/** Does the specified button trigger the hotspot? */
bool buttonMatch(MouseButtons button) const;
static uint8 getState(uint16 id);
void disable();
void enable ();
};
struct StackEntry {
bool shouldPush;
Hotspot *hotspots;
uint32 size;
uint32 key;
uint32 id;
uint32 index;
};
struct InputDesc {
uint16 fontIndex;
uint16 backColor;
uint16 frontColor;
uint16 length;
const char *str;
};
GobEngine *_vm;
Hotspot *_hotspots;
Common::Stack<StackEntry> _stack;
bool _shouldPush;
uint16 _currentKey;
uint16 _currentIndex;
uint16 _currentId;
/** Add a hotspot, returning the new index. */
uint16 add(const Hotspot &hotspot);
/** Recalculate all hotspot parameters
*
* @param force Force recalculation of all hotspots, including global ones.
*/
void recalculate(bool force);
/** Is this a valid hotspot? */
bool isValid(uint16 key, uint16 id, uint16 index) const;
/** Call a hotspot subroutine. */
void call(uint16 offset);
/** Handling hotspot enter events. */
void enter(uint16 index);
/** Handling hotspot leave events. */
void leave(uint16 index);
/** Which window is the mouse cursor currently in? (Fascination) */
int16 curWindow(int16 &dx, int16 &dy) const;
/** Which hotspot is the mouse cursor currently at? */
uint16 checkMouse(Type type, uint16 &id, uint16 &index) const;
/** Did the current hotspot change in the meantime? */
bool checkHotspotChanged();
/** Update events from a specific input. */
uint16 updateInput(uint16 xPos, uint16 yPos, uint16 width, uint16 height,
uint16 backColor, uint16 frontColor, char *str, uint16 fontIndex,
Type type, int16 &duration, uint16 &id, uint16 &index);
/** Handle all inputs we currently manage. */
uint16 handleInputs(int16 time, uint16 inputCount, uint16 &curInput,
InputDesc *inputs, uint16 &id, uint16 &index);
/** Evaluate adding new hotspots script commands. */
void evaluateNew(uint16 i, uint16 *ids, InputDesc *inputs,
uint16 &inputId, bool &hasInput, uint16 &inputCount);
/** Find the hotspot requested by script commands. */
bool evaluateFind(uint16 key, int16 timeVal, const uint16 *ids,
uint16 leaveWindowIndex, uint16 hotspotIndex1, uint16 hotspotIndex2,
uint16 endIndex, int16 &duration, uint16 &id, uint16 &index, bool &finished);
// Finding specific hotspots
/** Find the hotspot index that corresponds to the input index. */
uint16 inputToHotspot(uint16 input) const;
/** Find the input index that corresponds to the hotspot index. */
uint16 hotspotToInput(uint16 hotspot) const;
/** Find the input that was clicked on. */
uint16 findClickedInput(uint16 index) const;
/** Find the first input hotspot with a leave function. */
bool findFirstInputLeave(uint16 &id, uint16 &inputId, uint16 &index) const;
/** Find the hotspot with the matching key, case sensitively. */
bool findKey(uint16 key, uint16 &id, uint16 &index) const;
/** Find the hotspot with the matching key, case insensitively. */
bool findKeyCaseInsensitive(uint16 key, uint16 &id, uint16 &index) const;
/** Find the nth plain (without Type1 or Type2 state) hotspot. */
bool findNthPlain(uint16 n, uint16 startIndex, uint16 &id, uint16 &index) const;
/** Leave the nth plain (without Type1 or Type2 state) hotspot. */
bool leaveNthPlain(uint16 n, uint16 startIndex, int16 timeVal, const uint16 *ids,
uint16 &id, uint16 &index, int16 &duration);
// Hotspot ID variable access
void setCurrentHotspot(const uint16 *ids, uint16 id) const;
uint32 getCurrentHotspot() const;
// String input functions
void cleanFloatString(const Hotspot &spot) const;
void checkStringMatch(const Hotspot &spot, const InputDesc &input,
uint16 inputPos) const;
void matchInputStrings(const InputDesc *inputs) const;
uint16 convertSpecialKey(uint16 key) const;
/** Calculate the graphical cursor position. */
void getTextCursorPos(const Font &font, const char *str,
uint32 pos, uint16 x, uint16 y, uint16 width, uint16 height,
uint16 &cursorX, uint16 &cursorY, uint16 &cursorWidth, uint16 &cursorHeight) const;
/** Fill that rectangle with the color. */
void fillRect(uint16 x, uint16 y, uint16 width, uint16 height, uint16 color) const;
/** Print the given text. */
void printText(uint16 x, uint16 y, const char *str, uint16 fontIndex, uint16 color) const;
/** Go through all inputs we manage and redraw their texts. */
void updateAllTexts(const InputDesc *inputs) const;
};
} // End of namespace Gob
#endif // GOB_HOTSPOTS_H