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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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "engines/stark/ui/cursor.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/services/gameinterface.h"
#include "engines/stark/services/global.h"
#include "engines/stark/services/services.h"
#include "engines/stark/services/staticprovider.h"
#include "engines/stark/resources/item.h"
#include "engines/stark/resources/sound.h"
#include "engines/stark/visual/image.h"
#include "engines/stark/visual/text.h"
namespace Stark {
const float Cursor::_fadeValueMax = 0.3f;
Cursor::Cursor(Gfx::Driver *gfx) :
_gfx(gfx),
_cursorImage(nullptr),
_mouseText(nullptr),
_currentCursorType(kImage),
_itemActive(false),
_fadeLevelIncreasing(true),
_fadeLevel(0),
_hintDisplayDelay(150) {
setCursorType(kDefault);
_actionHoverSound = StarkStaticProvider->getUISound(StaticProvider::kActionHover);
}
Cursor::~Cursor() {
delete _mouseText;
}
void Cursor::setCursorType(CursorType type) {
assert(type != kImage);
if (type == _currentCursorType) {
return;
}
_currentCursorType = type;
_cursorImage = nullptr;
}
void Cursor::setCursorImage(VisualImageXMG *image) {
_currentCursorType = kImage;
_cursorImage = image;
}
void Cursor::setMousePosition(const Common::Point &pos) {
_mousePos = pos;
_hintDisplayDelay = 150;
}
void Cursor::setItemActive(bool itemActive) {
if (_itemActive == itemActive) {
return;
}
if (itemActive) {
_actionHoverSound->play();
} else {
_actionHoverSound->stop();
}
_itemActive = itemActive;
}
void Cursor::onScreenChanged() {
if (_mouseText) {
_mouseText->reset();
}
}
void Cursor::updateFadeLevel() {
if (_itemActive) {
if (_fadeLevelIncreasing) {
_fadeLevel += 0.001f * StarkGlobal->getMillisecondsPerGameloop();
} else {
_fadeLevel -= 0.001f * StarkGlobal->getMillisecondsPerGameloop();
}
if (ABS(_fadeLevel) >= _fadeValueMax) {
_fadeLevelIncreasing = !_fadeLevelIncreasing;
_fadeLevel = CLIP(_fadeLevel, -_fadeValueMax, _fadeValueMax);
}
} else {
_fadeLevel = 0;
}
}
void Cursor::updateHintDelay() {
if (_hintDisplayDelay >= 0) {
_hintDisplayDelay -= StarkGlobal->getMillisecondsPerGameloop();
if (_hintDisplayDelay <= 0) {
_hintDisplayDelay = -1;
}
}
}
void Cursor::render() {
updateFadeLevel();
updateHintDelay();
if (!_gfx->isPosInScreenBounds(_mousePos)) {
setCursorType(Cursor::kPassive);
}
if (_mouseText && _gfx->gameViewport().contains(_mousePos) && _hintDisplayDelay <= 0) {
_gfx->setScreenViewport(false);
// TODO: Should probably query the image for the width of the cursor
// TODO: Add delay to the mouse hints like in the game
const int16 cursorDistance = 32;
Common::Rect mouseRect = _mouseText->getRect();
Common::Point pos = _gfx->convertCoordinateCurrentToOriginal(_mousePos);
pos.x = CLIP<int16>(pos.x, 48, Gfx::Driver::kOriginalWidth - 48);
pos.y = CLIP<int16>(pos.y, Gfx::Driver::kTopBorderHeight, Gfx::Driver::kOriginalHeight - Gfx::Driver::kBottomBorderHeight - cursorDistance - mouseRect.height());
pos.x -= mouseRect.width() / 2;
pos.y += cursorDistance;
_mouseText->render(pos);
}
if (_currentCursorType != kImage) {
_cursorImage = StarkStaticProvider->getCursorImage(_currentCursorType);
}
if (_cursorImage) {
_gfx->setScreenViewport(true); // Unscaled viewport so that cursor is drawn on native pixel space, thus no 'skipping', perform scaling below instead
_cursorImage->setFadeLevel(_fadeLevel);
_cursorImage->render(_mousePos, true, false); // Draws image (scaled)
}
}
Common::Point Cursor::getMousePosition(bool unscaled) const {
if (unscaled) {
return _mousePos;
} else {
// Most of the engine expects 640x480 coordinates
return _gfx->convertCoordinateCurrentToOriginal(_mousePos);
}
}
void Cursor::setMouseHint(const Common::String &hint) {
if (hint != _currentHint) {
delete _mouseText;
if (!hint.empty()) {
_mouseText = new VisualText(_gfx);
_mouseText->setText(hint);
_mouseText->setColor(Gfx::Color(0xFF, 0xFF, 0xFF));
_mouseText->setBackgroundColor(Gfx::Color(0x00, 0x00, 0x00, 0x80));
_mouseText->setFont(FontProvider::kSmallFont);
_mouseText->setTargetWidth(96);
} else {
_mouseText = nullptr;
}
_currentHint = hint;
_hintDisplayDelay = 150;
}
}
Common::Rect Cursor::getHotRectangle() const {
if (!_cursorImage) {
return Common::Rect();
} else {
Common::Point hotSpot = _cursorImage->getHotspot();
Common::Rect hotRectangle;
hotRectangle.setWidth(_cursorImage->getWidth());
hotRectangle.setHeight(_cursorImage->getHeight());
hotRectangle.translate(-hotSpot.x, -hotSpot.y);
return hotRectangle;
}
}
} // End of namespace Stark
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