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engines/wintermute/ad/ad_sprite_set.cpp

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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/>.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/ad/ad_sprite_set.h"
+#include "engines/wintermute/base/base_dynamic_buffer.h"
+#include "engines/wintermute/base/base_game.h"
+#include "engines/wintermute/base/base_file_manager.h"
+#include "engines/wintermute/base/base_parser.h"
+#include "engines/wintermute/base/base_sprite.h"
+#include "engines/wintermute/dcgf.h"
+
+namespace Wintermute {
+
+IMPLEMENT_PERSISTENT(AdSpriteSet, false)
+
+//////////////////////////////////////////////////////////////////////////
+AdSpriteSet::AdSpriteSet(BaseGame *inGame, BaseObject *owner) : BaseObject(inGame) {
+	_owner = owner;
+
+	for (int i = 0; i < NUM_DIRECTIONS; i++) {
+		_sprites[i] = nullptr;
+	}
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+AdSpriteSet::~AdSpriteSet() {
+	for (int i = 0; i < NUM_DIRECTIONS; i++) {
+		SAFE_DELETE(_sprites[i]);
+	}
+
+	_owner = nullptr;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool AdSpriteSet::loadFile(const char *filename, int lifeTime, TSpriteCacheType cacheType) {
+	char *buffer = (char *)_game->_fileManager->readWholeFile(filename);
+	if (buffer == nullptr) {
+		_game->LOG(0, "AdSpriteSet::loadFile failed for file '%s'", filename);
+		return STATUS_FAILED;
+	}
+
+	bool ret;
+
+	if (DID_FAIL(ret = loadBuffer(buffer, true))) {
+		_game->LOG(0, "Error parsing SPRITESET file '%s'", filename);
+	}
+
+	delete[] buffer;
+
+	return ret;
+}
+
+
+TOKEN_DEF_START
+TOKEN_DEF(SPRITESET)
+TOKEN_DEF(NAME)
+TOKEN_DEF(UP_LEFT)
+TOKEN_DEF(DOWN_LEFT)
+TOKEN_DEF(LEFT)
+TOKEN_DEF(UP_RIGHT)
+TOKEN_DEF(DOWN_RIGHT)
+TOKEN_DEF(RIGHT)
+TOKEN_DEF(UP)
+TOKEN_DEF(DOWN)
+TOKEN_DEF(TEMPLATE)
+TOKEN_DEF(EDITOR_PROPERTY)
+TOKEN_DEF_END
+//////////////////////////////////////////////////////////////////////////
+bool AdSpriteSet::loadBuffer(char *buffer, bool complete, int lifeTime, TSpriteCacheType cacheType) {
+	TOKEN_TABLE_START(commands)
+	TOKEN_TABLE(SPRITESET)
+	TOKEN_TABLE(NAME)
+	TOKEN_TABLE(UP_LEFT)
+	TOKEN_TABLE(DOWN_LEFT)
+	TOKEN_TABLE(LEFT)
+	TOKEN_TABLE(UP_RIGHT)
+	TOKEN_TABLE(DOWN_RIGHT)
+	TOKEN_TABLE(RIGHT)
+	TOKEN_TABLE(UP)
+	TOKEN_TABLE(DOWN)
+	TOKEN_TABLE(TEMPLATE)
+	TOKEN_TABLE(EDITOR_PROPERTY)
+	TOKEN_TABLE_END
+
+	char *params;
+	int cmd;
+	BaseParser parser(_game);
+
+	if (complete) {
+		if (parser.getCommand(&buffer, commands, &params) != TOKEN_SPRITESET) {
+			_game->LOG(0, "'SPRITESET' keyword expected.");
+			return STATUS_FAILED;
+		}
+		buffer = params;
+	}
+
+	BaseSprite *spr = nullptr;
+	while ((cmd = parser.getCommand(&buffer, commands, &params)) > 0) {
+		switch (cmd) {
+		case TOKEN_TEMPLATE:
+			if (DID_FAIL(loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			}
+			break;
+
+		case TOKEN_NAME:
+			setName(params);
+			break;
+
+		case TOKEN_LEFT:
+			SAFE_DELETE(_sprites[DI_LEFT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_LEFT] = spr;
+			}
+			break;
+
+		case TOKEN_RIGHT:
+			SAFE_DELETE(_sprites[DI_RIGHT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_RIGHT] = spr;
+			}
+			break;
+
+		case TOKEN_UP:
+			SAFE_DELETE(_sprites[DI_UP]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_UP] = spr;
+			}
+			break;
+
+		case TOKEN_DOWN:
+			SAFE_DELETE(_sprites[DI_DOWN]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_DOWN] = spr;
+			}
+			break;
+
+		case TOKEN_UP_LEFT:
+			SAFE_DELETE(_sprites[DI_UPLEFT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_UPLEFT] = spr;
+			}
+			break;
+
+		case TOKEN_UP_RIGHT:
+			SAFE_DELETE(_sprites[DI_UPRIGHT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_UPRIGHT] = spr;
+			}
+			break;
+
+		case TOKEN_DOWN_LEFT:
+			SAFE_DELETE(_sprites[DI_DOWNLEFT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_DOWNLEFT] = spr;
+			}
+			break;
+
+		case TOKEN_DOWN_RIGHT:
+			SAFE_DELETE(_sprites[DI_DOWNRIGHT]);
+			spr = new BaseSprite(_game, _owner);
+			if (!spr || DID_FAIL(spr->loadFile(params, lifeTime, cacheType))) {
+				cmd = PARSERR_GENERIC;
+			} else {
+				_sprites[DI_DOWNRIGHT] = spr;
+			}
+			break;
+
+		case TOKEN_EDITOR_PROPERTY:
+			parseEditorProperty(params, false);
+			break;
+
+		default:
+			break;
+		}
+	}
+	if (cmd == PARSERR_TOKENNOTFOUND) {
+		_game->LOG(0, "Syntax error in SPRITESET definition");
+		return STATUS_FAILED;
+	}
+
+	if (cmd == PARSERR_GENERIC) {
+		_game->LOG(0, "Error loading SPRITESET definition");
+		if (spr) {
+			delete spr;
+		}
+		return STATUS_FAILED;
+	}
+
+	return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool AdSpriteSet::persist(BasePersistenceManager *persistMgr) {
+
+	BaseObject::persist(persistMgr);
+
+	persistMgr->transferPtr(TMEMBER_PTR(_owner));
+	for (int i = 0; i < NUM_DIRECTIONS; i++) {
+		persistMgr->transferPtr("", &_sprites[i]);
+	}
+
+	return STATUS_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+BaseSprite *AdSpriteSet::getSprite(TDirection direction) {
+	int dir = (int)direction;
+	if (dir < 0) {
+		dir = 0;
+	}
+	if (dir >= NUM_DIRECTIONS) {
+		dir = NUM_DIRECTIONS - 1;
+	}
+
+	BaseSprite *ret = nullptr;
+
+	// find nearest set sprite
+	int numSteps = 0;
+	for (int i = dir; i >= 0; i--) {
+		if (_sprites[i] != nullptr) {
+			ret = _sprites[i];
+			numSteps = dir - i;
+			break;
+		}
+	}
+
+	for (int i = dir; i < NUM_DIRECTIONS; i++) {
+		if (_sprites[i] != nullptr) {
+			if (ret == nullptr || numSteps > i - dir) {
+				return _sprites[i];
+			} else {
+				return ret;
+			}
+		}
+	}
+
+	return ret;
+}
+
+
+
+//////////////////////////////////////////////////////////////////////////
+bool AdSpriteSet::saveAsText(BaseDynamicBuffer *buffer, int indent) {
+	buffer->putTextIndent(indent, "SPRITESET {\n");
+	if (_name && _name[0]) {
+		buffer->putTextIndent(indent + 2, "NAME=\"%s\"\n", _name);
+	}
+	for (int i = 0; i < NUM_DIRECTIONS; i++) {
+		if (_sprites[i]) {
+			switch (i) {
+			case DI_UP:
+				buffer->putTextIndent(indent + 2, "UP=\"%s\"\n",         _sprites[i]->_filename);
+				break;
+			case DI_UPRIGHT:
+				buffer->putTextIndent(indent + 2, "UP_RIGHT=\"%s\"\n",   _sprites[i]->_filename);
+				break;
+			case DI_RIGHT:
+				buffer->putTextIndent(indent + 2, "RIGHT=\"%s\"\n",      _sprites[i]->_filename);
+				break;
+			case DI_DOWNRIGHT:
+				buffer->putTextIndent(indent + 2, "DOWN_RIGHT=\"%s\"\n", _sprites[i]->_filename);
+				break;
+			case DI_DOWN:
+				buffer->putTextIndent(indent + 2, "DOWN=\"%s\"\n",       _sprites[i]->_filename);
+				break;
+			case DI_DOWNLEFT:
+				buffer->putTextIndent(indent + 2, "DOWN_LEFT=\"%s\"\n",  _sprites[i]->_filename);
+				break;
+			case DI_LEFT:
+				buffer->putTextIndent(indent + 2, "LEFT=\"%s\"\n",       _sprites[i]->_filename);
+				break;
+			case DI_UPLEFT:
+				buffer->putTextIndent(indent + 2, "UP_LEFT=\"%s\"\n",    _sprites[i]->_filename);
+				break;
+			default:
+				break;
+			}
+		}
+	}
+
+	BaseClass::saveAsText(buffer, indent + 2);
+
+	buffer->putTextIndent(indent, "}\n");
+
+	return STATUS_OK;
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool AdSpriteSet::containsSprite(BaseSprite *sprite) {
+	if (!sprite) {
+		return false;
+	}
+
+	for (int i = 0; i < NUM_DIRECTIONS; i++) {
+		if (_sprites[i] == sprite) {
+			return true;
+		}
+	}
+	return false;
+}
+
+} // End of namespace Wintermute