/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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
* any later version.
*
* The Mana World 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 The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <set>
#include "action.h"
#include "animation.h"
#include "dye.h"
#include "image.h"
#include "imageset.h"
#include "resourcemanager.h"
#include "spritedef.h"
#include "../log.h"
#include "../utils/xml.h"
Action*
SpriteDef::getAction(SpriteAction action) const
{
Actions::const_iterator i = mActions.find(action);
if (i == mActions.end())
{
logger->log("Warning: no action \"%u\" defined!", action);
return NULL;
}
return i->second;
}
SpriteDef *SpriteDef::load(std::string const &animationFile, int variant)
{
std::string::size_type pos = animationFile.find('|');
std::string palettes;
if (pos != std::string::npos)
palettes = animationFile.substr(pos + 1);
XML::Document doc(animationFile.substr(0, pos));
xmlNodePtr rootNode = doc.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "sprite"))
{
logger->log("Error, failed to parse %s", animationFile.c_str());
if (animationFile != "graphics/sprites/error.xml") {
return load("graphics/sprites/error.xml", 0);
} else {
return NULL;
}
}
SpriteDef *def = new SpriteDef;
def->loadSprite(rootNode, variant, palettes);
def->substituteActions();
return def;
}
void SpriteDef::substituteActions()
{
substituteAction(ACTION_STAND, ACTION_DEFAULT);
substituteAction(ACTION_WALK, ACTION_STAND);
substituteAction(ACTION_WALK, ACTION_RUN);
substituteAction(ACTION_ATTACK, ACTION_STAND);
substituteAction(ACTION_ATTACK_SWING, ACTION_ATTACK);
substituteAction(ACTION_ATTACK_STAB, ACTION_ATTACK_SWING);
substituteAction(ACTION_ATTACK_BOW, ACTION_ATTACK_STAB);
substituteAction(ACTION_ATTACK_THROW, ACTION_ATTACK_SWING);
substituteAction(ACTION_CAST_MAGIC, ACTION_ATTACK_SWING);
substituteAction(ACTION_USE_ITEM, ACTION_CAST_MAGIC);
substituteAction(ACTION_SIT, ACTION_STAND);
substituteAction(ACTION_SLEEP, ACTION_SIT);
substituteAction(ACTION_HURT, ACTION_STAND);
substituteAction(ACTION_DEAD, ACTION_HURT);
}
void SpriteDef::loadSprite(xmlNodePtr spriteNode, int variant,
const std::string &palettes)
{
// Get the variant
const int variantCount = XML::getProperty(spriteNode, "variants", 0);
int variant_offset = 0;
if (variantCount > 0 && variant < variantCount)
{
variant_offset =
variant * XML::getProperty(spriteNode, "variant_offset", 0);
}
for_each_xml_child_node(node, spriteNode)
{
if (xmlStrEqual(node->name, BAD_CAST "imageset"))
{
loadImageSet(node, palettes);
}
else if (xmlStrEqual(node->name, BAD_CAST "action"))
{
loadAction(node, variant_offset);
}
else if (xmlStrEqual(node->name, BAD_CAST "include"))
{
includeSprite(node);
}
}
}
void SpriteDef::loadImageSet(xmlNodePtr node, std::string const &palettes)
{
const std::string name = XML::getProperty(node, "name", "");
// We don't allow redefining image sets. This way, an included sprite
// definition will use the already loaded image set with the same name.
if (mImageSets.find(name) != mImageSets.end())
return;
const int width = XML::getProperty(node, "width", 0);
const int height = XML::getProperty(node, "height", 0);
std::string imageSrc = XML::getProperty(node, "src", "");
Dye::instantiate(imageSrc, palettes);
ResourceManager *resman = ResourceManager::getInstance();
ImageSet *imageSet = resman->getImageSet(imageSrc, width, height);
if (!imageSet)
{
logger->error("Couldn't load imageset!");
}
mImageSets[name] = imageSet;
}
void
SpriteDef::loadAction(xmlNodePtr node, int variant_offset)
{
const std::string actionName = XML::getProperty(node, "name", "");
const std::string imageSetName = XML::getProperty(node, "imageset", "");
ImageSetIterator si = mImageSets.find(imageSetName);
if (si == mImageSets.end())
{
logger->log("Warning: imageset \"%s\" not defined in %s",
imageSetName.c_str(), getIdPath().c_str());
return;
}
ImageSet *imageSet = si->second;
SpriteAction actionType = makeSpriteAction(actionName);
if (actionType == ACTION_INVALID)
{
logger->log("Warning: Unknown action \"%s\" defined in %s",
actionName.c_str(), getIdPath().c_str());
return;
}
Action *action = new Action();
mActions[actionType] = action;
// When first action set it as default direction
if (mActions.empty())
{
mActions[ACTION_DEFAULT] = action;
}
// Load animations
for_each_xml_child_node(animationNode, node)
{
if (xmlStrEqual(animationNode->name, BAD_CAST "animation"))
{
loadAnimation(animationNode, action, imageSet, variant_offset);
}
}
}
void
SpriteDef::loadAnimation(xmlNodePtr animationNode,
Action *action, ImageSet *imageSet,
int variant_offset)
{
const std::string directionName =
XML::getProperty(animationNode, "direction", "");
const SpriteDirection directionType = makeSpriteDirection(directionName);
if (directionType == DIRECTION_INVALID)
{
logger->log("Warning: Unknown direction \"%s\" used in %s",
directionName.c_str(), getIdPath().c_str());
return;
}
Animation *animation = new Animation();
action->setAnimation(directionType, animation);
// Get animation frames
for_each_xml_child_node(frameNode, animationNode)
{
const int delay = XML::getProperty(frameNode, "delay", 0);
int offsetX = XML::getProperty(frameNode, "offsetX", 0);
int offsetY = XML::getProperty(frameNode, "offsetY", 0);
offsetY -= imageSet->getHeight() - 32;
offsetX -= imageSet->getWidth() / 2 - 16;
if (xmlStrEqual(frameNode->name, BAD_CAST "frame"))
{
const int index = XML::getProperty(frameNode, "index", -1);
if (index < 0)
{
logger->log("No valid value for 'index'");
continue;
}
Image *img = imageSet->get(index + variant_offset);
if (!img)
{
logger->log("No image at index %d", index + variant_offset);
continue;
}
animation->addFrame(img, delay, offsetX, offsetY);
}
else if (xmlStrEqual(frameNode->name, BAD_CAST "sequence"))
{
int start = XML::getProperty(frameNode, "start", -1);
const int end = XML::getProperty(frameNode, "end", -1);
if (start < 0 || end < 0)
{
logger->log("No valid value for 'start' or 'end'");
continue;
}
while (end >= start)
{
Image *img = imageSet->get(start + variant_offset);
if (!img)
{
logger->log("No image at index %d", start + variant_offset);
continue;
}
animation->addFrame(img, delay, offsetX, offsetY);
start++;
}
}
else if (xmlStrEqual(frameNode->name, BAD_CAST "end"))
{
animation->addTerminator();
}
} // for frameNode
}
void
SpriteDef::includeSprite(xmlNodePtr includeNode)
{
// TODO: Perform circular dependency check, since it's easy to crash the
// client this way.
const std::string filename = XML::getProperty(includeNode, "file", "");
if (filename.empty())
return;
XML::Document doc("graphics/sprites/" + filename);
xmlNodePtr rootNode = doc.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "sprite"))
{
logger->log("Error, no sprite root node in %s", filename.c_str());
return;
}
loadSprite(rootNode, 0);
}
void
SpriteDef::substituteAction(SpriteAction complete, SpriteAction with)
{
if (mActions.find(complete) == mActions.end())
{
Actions::iterator i = mActions.find(with);
if (i != mActions.end()) {
mActions[complete] = i->second;
}
}
}
SpriteDef::~SpriteDef()
{
// Actions are shared, so ensure they are deleted only once.
std::set< Action * > actions;
for (Actions::const_iterator i = mActions.begin(),
i_end = mActions.end(); i != i_end; ++i)
{
actions.insert(i->second);
}
for (std::set< Action * >::const_iterator i = actions.begin(),
i_end = actions.end(); i != i_end; ++i)
{
delete *i;
}
for (ImageSetIterator i = mImageSets.begin();
i != mImageSets.end(); ++i)
{
i->second->decRef();
}
}
SpriteAction
SpriteDef::makeSpriteAction(const std::string& action)
{
if (action == "" || action == "default") {
return ACTION_DEFAULT;
}
if (action == "stand") {
return ACTION_STAND;
}
else if (action == "walk") {
return ACTION_WALK;
}
else if (action == "run") {
return ACTION_RUN;
}
else if (action == "attack") {
return ACTION_ATTACK;
}
else if (action == "attack_swing") {
return ACTION_ATTACK_SWING;
}
else if (action == "attack_stab") {
return ACTION_ATTACK_STAB;
}
else if (action == "attack_bow") {
return ACTION_ATTACK_BOW;
}
else if (action == "attack_throw") {
return ACTION_ATTACK_THROW;
}
else if (action == "cast_magic") {
return ACTION_CAST_MAGIC;
}
else if (action == "use_item") {
return ACTION_USE_ITEM;
}
else if (action == "sit") {
return ACTION_SIT;
}
else if (action == "sleep") {
return ACTION_SLEEP;
}
else if (action == "hurt") {
return ACTION_HURT;
}
else if (action == "dead") {
return ACTION_DEAD;
}
else {
return ACTION_INVALID;
}
}
SpriteDirection
SpriteDef::makeSpriteDirection(const std::string& direction)
{
if (direction == "" || direction == "default") {
return DIRECTION_DEFAULT;
}
else if (direction == "up") {
return DIRECTION_UP;
}
else if (direction == "left") {
return DIRECTION_LEFT;
}
else if (direction == "right") {
return DIRECTION_RIGHT;
}
else if (direction == "down") {
return DIRECTION_DOWN;
}
else {
return DIRECTION_INVALID;
};
}