/* ScummVM - Scumm Interpreter
 * Copyright (C) 2001  Ludvig Strigeus
 * Copyright (C) 2001-2005 The ScummVM project
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Header$
 *
 */

#include "stdafx.h"

#include "scumm/intern.h"
#include "scumm/resource.h"
#include "scumm/scumm.h"
#include "scumm/sprite_he.h"
#include "scumm/wiz_he.h"

namespace Scumm {

void ScummEngine_v90he::allocateArrays() {
	ScummEngine::allocateArrays();
	spritesAllocTables(_numSprites, 64, 64);
}

int ScummEngine_v90he::spriteInfoGet_flags_1(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_1: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF15) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_2(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_2: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF14) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_3(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_3: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF16) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_4(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_4: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF13) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_5(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_5: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF20) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_6(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_6: Invalid sprite %d");

	return _spriteTable[spriteNum].flags & kSF22;
}

int ScummEngine_v90he::spriteInfoGet_flags_7(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_7: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF23) != 0) ? 1 : 0;
}

int ScummEngine_v90he::spriteInfoGet_flags_8(int spriteNum) {
	checkRange(_numSprites, 1, spriteNum, "_spriteTableGet_flags_8: Invalid sprite %d");

	return ((_spriteTable[spriteNum].flags & kSF31) != 0) ? 1 : 0;
}

void ScummEngine_v90he::spritesAllocTables(int numSprites, int numGroups, int numImgLists) {
	_varNumSpriteGroups = numGroups;
	_numSpritesToProcess = 0;
	_varNumSprites = numSprites;
	_varNumImgLists = numImgLists;
	_spriteGroups = (SpriteGroup *)malloc((_varNumSpriteGroups + 1) * sizeof(SpriteGroup));
	_spriteTable = (SpriteInfo *)malloc((_varNumSprites + 1) * sizeof(SpriteInfo));
	_activeSpritesTable = (SpriteInfo **)malloc((_varNumSprites + 1) * sizeof(SpriteInfo *));
	_imageListTable = (uint32 *)malloc((_varNumImgLists + 1) * sizeof(uint32)); // XXX
	_imageListStack = (uint16 *)malloc((_varNumImgLists + 1) * sizeof(uint16));
}

void ScummEngine_v90he::spritesResetTables(bool refreshScreen) {
	int i;
	for (i = 0; i < _varNumImgLists; ++i) {
		_imageListStack[i] = i;
	}
	memset(_spriteTable, 0, (_varNumSprites + 1) * sizeof(SpriteInfo));
	memset(_spriteGroups, 0, (_varNumSpriteGroups + 1) * sizeof(SpriteGroup));
	for (int curGrp = 1; curGrp < _varNumSpriteGroups; ++curGrp) {
		SpriteGroup *spg = &_spriteGroups[curGrp];
		checkRange(_varNumSpriteGroups, 1, curGrp, "Invalid sprite group %d");
		if (spg->field_10 != 0) {
			spg->field_10 = 0;
			spriteGroupCheck(curGrp);
			for (i = 0; i < _numSpritesToProcess; ++i) {
				SpriteInfo *spi = _activeSpritesTable[i];
				if (spi->group_num == curGrp) {
					spi->flags |= kSF1 | kSF2;
				}
			}
		}
		if (spg->tx != 0 || spg->ty != 0) {
			spg->tx = spg->ty = 0;
			spriteGroupCheck(curGrp);
			for (i = 0; i < _numSpritesToProcess; ++i) {
				SpriteInfo *spi = _activeSpritesTable[i];
				if (spi->group_num == curGrp) {
					spi->flags |= kSF1 | kSF2;
				}
			}
		}
		spg->flags &= ~kSGF1;
		spriteMarkIfInGroup(curGrp, kSF1 | kSF2);
		if (spg->field_20 != 0) {
			spriteGroupCheck(curGrp);
			for (i = 0; i < _numSpritesToProcess; ++i) {
				SpriteInfo *spi = _activeSpritesTable[i];
				if (spi->group_num == curGrp) {
					spi->flags |= kSF1 | kSF2;
				}
			}
		}
		spriteGroupCheck(curGrp);
		spg->scaling = 0;
		spg->scale_x = 0x3F800000;
		spg->field_30 = 0;
		spg->field_34 = 0;
		spg->scale_y = 0x3F800000;
		spg->field_38 = 0;
		spg->field_3C = 0;
	}
	if (refreshScreen) {
		gdi.copyVirtScreenBuffers(Common::Rect(_screenWidth, _screenHeight));
	}
	_numSpritesToProcess = 0;
}

void ScummEngine_v90he::spriteGroupCheck(int sprGrpId) {
	// XXX
}

void ScummEngine_v90he::spriteMarkIfInGroup(int sprGrpId, uint32 flags) {
	// XXX
}

} // End of namespace Scumm