mirror of
https://github.com/libretro/scummvm.git
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111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "bladerunner/item_pickup.h"
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#include "bladerunner/audio_player.h"
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#include "bladerunner/bladerunner.h"
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#include "bladerunner/game_info.h"
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#include "bladerunner/slice_animations.h"
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#include "bladerunner/slice_renderer.h"
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#include "bladerunner/time.h"
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#include "bladerunner/zbuffer.h"
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#include "bladerunner/game_constants.h"
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namespace BladeRunner {
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ItemPickup::ItemPickup(BladeRunnerEngine *vm) {
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_vm = vm;
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_facingStep = float(2.0f / 3000.0f * (2.0f * M_PI));
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reset();
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}
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ItemPickup::~ItemPickup() {
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}
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void ItemPickup::setup(int animationId, int screenX, int screenY) {
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_animationId = animationId;
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_animationFrame = 0;
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_facing = 0.0;
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_timeLeft = 3000u;
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_scale = 0;
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_screenX = CLIP(screenX, 40, 600);
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_screenY = CLIP(screenY, 40, 440);
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_screenRect.left = _screenX - 40;
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_screenRect.right = _screenX + 40;
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_screenRect.top = _screenY - 40;
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_screenRect.bottom = _screenY + 40;
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int pan = (75 * (2 * _screenX - 640)) / 640; // map [0..640] to [-75..75]
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_vm->_audioPlayer->playAud(_vm->_gameInfo->getSfxTrack(kSfxGETITEM1), 80, pan, pan, 50, 0);
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_timeLast = _vm->_time->currentSystem();
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}
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void ItemPickup::reset() {
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_animationId = -1;
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_screenX = 0;
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_screenY = 0;
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_facing = 0.0f;
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_scale = 1.0f;
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_animationFrame = 0;
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_timeLeft = 0u;
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_timeLast = 0u;
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}
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void ItemPickup::tick() {
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if (_timeLeft == 0u) {
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return;
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}
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uint32 timeNow = _vm->_time->currentSystem();
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// unsigned difference is intentional
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uint32 timeDiff = timeNow - _timeLast;
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_timeLast = timeNow;
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timeDiff = MIN(MIN<uint32>(timeDiff, 67u), _timeLeft);
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_timeLeft = (_timeLeft < timeDiff) ? 0 : (_timeLeft - timeDiff);
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if (_timeLeft >= 2000u) {
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_scale = 1.0f - (((2000.0f - _timeLeft) / 1000.0f) * ((2000.0f - _timeLeft) / 1000.0f));
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} else if (_timeLeft < 1000u) {
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_scale = 1.0f - (((1000.0f - _timeLeft) / 1000.0f) * ((1000.0f - _timeLeft) / 1000.0f));
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} else {
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_scale = 1.0f;
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}
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_scale *= 75.0f;
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_facing += _facingStep * timeDiff;
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if (_facing > float(2.0f * M_PI)) {
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_facing -= float(2.0f * M_PI);
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}
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_animationFrame = (_animationFrame + 1) % _vm->_sliceAnimations->getFrameCount(_animationId);
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}
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void ItemPickup::draw() {
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if (_timeLeft == 0u) {
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return;
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}
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_vm->_sliceRenderer->drawOnScreen(_animationId, _animationFrame, _screenX, _screenY, _facing, _scale, _vm->_surfaceFront);
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}
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} // End of namespace BladeRunner
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