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78 lines
2.7 KiB
C++
78 lines
2.7 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 "darkseed/sprites.h"
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#include "darkseed/darkseed.h"
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namespace Darkseed {
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#define DARKSEED_MAX_SPRITES_ON_SCREEN 30
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Sprites::Sprites() {
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_spriteDrawList.reserve(DARKSEED_MAX_SPRITES_ON_SCREEN);
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}
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void Sprites::addSpriteToDrawList(uint16 destX, uint16 destY, const Sprite *sprite, uint8 order, uint16 destW, uint16 destH, bool flip) {
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if (_spriteDrawList.size() == DARKSEED_MAX_SPRITES_ON_SCREEN || destX >= 570) {
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return;
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}
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SpriteDrawInstruction drawInstruction;
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drawInstruction.destX = destX;
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drawInstruction.destY = destY;
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drawInstruction.sprite = sprite;
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drawInstruction.order = order;
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drawInstruction.destW = destW;
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drawInstruction.destH = destH;
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drawInstruction.flip = flip;
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if (!_spriteDrawList.empty()) {
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uint insertLocation = 0;
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for (; insertLocation < _spriteDrawList.size(); insertLocation++) {
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if (order < _spriteDrawList[insertLocation].order) {
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break;
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}
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}
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_spriteDrawList.insert_at(insertLocation, drawInstruction);
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} else {
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_spriteDrawList.push_back(drawInstruction);
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}
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}
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void Sprites::clearSpriteDrawList() {
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// not using clear() here to avoid freeing array storage memory.
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while (!_spriteDrawList.empty()) {
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_spriteDrawList.pop_back();
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}
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}
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void Sprites::drawSprites() {
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for (int i = _spriteDrawList.size() - 1; i >= 0; i--) {
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SpriteDrawInstruction &drawInstruction = _spriteDrawList[i];
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if (drawInstruction.sprite->_width == drawInstruction.destW && drawInstruction.sprite->_height == drawInstruction.destH && !drawInstruction.flip) {
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drawInstruction.sprite->draw(drawInstruction.destX, drawInstruction.destY, g_engine->_frameBottom); // TODO add support for flipping sprite.
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} else {
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drawInstruction.sprite->drawScaled(drawInstruction.destX, drawInstruction.destY, drawInstruction.destW, drawInstruction.destH, drawInstruction.flip);
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}
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}
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}
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} // End of namespace Darkseed
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