/*
* 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
*
* $Id: animation.cpp 2430 2006-07-24 00:13:24Z b_lindeijer $
*/
#include "animatedsprite.h"
#include "animation.h"
#include "log.h"
#include "resources/resourcemanager.h"
#include "resources/spriteset.h"
AnimatedSprite::AnimatedSprite(const std::string& animationFile, int variant):
mAction(NULL),
mDirection("down"),
mLastTime(0),
mSpeed(1.0f)
{
int size;
ResourceManager *resman = ResourceManager::getInstance();
char *data = (char*)resman->loadFile(animationFile.c_str(), size);
if (!data) {
logger->error("Animation: Could not find " + animationFile + "!");
}
xmlDocPtr doc = xmlParseMemory(data, size);
free(data);
if (!doc)
{
logger->error("Animation: Error while parsing animation definition file!");
return;
}
xmlNodePtr node = xmlDocGetRootElement(doc);
if (!node || !xmlStrEqual(node->name, BAD_CAST "sprite"))
{
logger->error("Animation: this is not a valid animation definition file!");
return;
}
// Get the variant
int variant_num = getProperty(node, "variants", 0);
int variant_offset = getProperty(node, "variant_offset", 0);
if (variant_num > 0 && variant < variant_num )
{
variant_offset *= variant;
}
else
{
variant_offset = 0;
}
for (node = node->xmlChildrenNode; node != NULL; node = node->next)
{
if (xmlStrEqual(node->name, BAD_CAST "imageset"))
{
int width = getProperty(node, "width", 0);
int height = getProperty(node, "height", 0);
std::string name = getProperty(node, "name", "");
std::string imageSrc = getProperty(node, "src", "");
Spriteset *spriteset =
resman->getSpriteset(imageSrc, width, height);
if (!spriteset)
{
logger->error("Couldn't load spriteset!");
}
else
{
mSpritesets[name] = spriteset;
}
}
// get action
else if (xmlStrEqual(node->name, BAD_CAST "action"))
{
std::string name = getProperty(node, "name", "");
std::string imageset = getProperty(node, "imageset", "");
if (name.length() == 0)
{
logger->log("Warning: unnamed action in %s",
animationFile.c_str());
}
Action *action = new Action();
if (mSpritesets.find(imageset) != mSpritesets.end())
{
action->setSpriteset(mSpritesets[imageset]);
mActions[name] = action;
}
else
{
logger->log("Warning: imageset \"%s\" not defined in %s",
imageset.c_str(),
animationFile.c_str());
// Discard action and skip loading animations
delete action;
continue;
}
// get animations
for (xmlNodePtr animationNode = node->xmlChildrenNode;
animationNode != NULL;
animationNode = animationNode->next)
{
if (xmlStrEqual(animationNode->name, BAD_CAST "animation"))
{
std::string direction =
getProperty(animationNode, "direction", "");
Animation *animation = new Animation();
// Get animation phases
for (xmlNodePtr phaseNode = animationNode->xmlChildrenNode;
phaseNode != NULL;
phaseNode = phaseNode->next)
{
int delay = getProperty(phaseNode, "delay", 0);
if (xmlStrEqual(phaseNode->name, BAD_CAST "frame"))
{
int index = getProperty(phaseNode, "index", -1);
int offsetX = getProperty(phaseNode, "offsetX", 0);
int offsetY = getProperty(phaseNode, "offsetY", 0);
offsetY = offsetY - mSpritesets[imageset]->getHeight() + 32;
offsetX = offsetX - mSpritesets[imageset]->getWidth() / 2 + 16;
animation->addPhase(index + variant_offset, delay,
offsetX, offsetY);
}
else if (xmlStrEqual(phaseNode->name, BAD_CAST "sequence"))
{
int start = getProperty(phaseNode, "start", 0);
int end = getProperty(phaseNode, "end", 0);
int offsetY = 0 - mSpritesets[imageset]->getHeight() + 32;
int offsetX = 0 - mSpritesets[imageset]->getWidth() / 2 + 16;
while (end >= start)
{
animation->addPhase(start + variant_offset,
delay, offsetX, offsetY);
start++;
}
}
} // for phaseNode
action->setAnimation(direction, animation);
} // if "<animation>"
} // for animationNode
} // if "<imageset>" else if "<action>"
} // for node
// Complete missing actions
substituteAction("walk", "stand");
substituteAction("walk", "run");
substituteAction("attack", "stand");
substituteAction("attack_swing", "attack");
substituteAction("attack_stab", "attack_swing");
substituteAction("attack_bow", "attack_stab");
substituteAction("attack_throw", "attack_swing");
substituteAction("cast_magic", "attack_swing");
substituteAction("use_item", "cast_magic");
substituteAction("sit", "stand");
substituteAction("sleeping", "sit");
substituteAction("hurt", "stand");
substituteAction("dead", "hurt");
// Play the stand animation by default
play("stand");
xmlFreeDoc(doc);
}
int
AnimatedSprite::getProperty(xmlNodePtr node, const char* name, int def)
{
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop) {
int val = atoi((char*)prop);
xmlFree(prop);
return val;
}
else {
return def;
}
}
std::string
AnimatedSprite::getProperty(xmlNodePtr node, const char* name,
const std::string& def)
{
xmlChar *prop = xmlGetProp(node, BAD_CAST name);
if (prop) {
std::string val = (char*)prop;
xmlFree(prop);
return val;
}
else {
return def;
}
}
void
AnimatedSprite::substituteAction(const std::string& complete,
const std::string& with)
{
if (mActions.find(complete) == mActions.end())
{
mActions[complete] = mActions[with];
}
}
AnimatedSprite::~AnimatedSprite()
{
for (SpritesetIterator i = mSpritesets.begin(); i != mSpritesets.end(); ++i)
{
i->second->decRef();
}
mSpritesets.clear();
}
void
AnimatedSprite::play(const std::string& action)
{
Actions::iterator iAction;
iAction = mActions.find(action);
if (iAction == mActions.end())
{
logger->log("Warning: no action \"%s\" defined!", action.c_str());
mAction = NULL;
return;
}
if (mAction != iAction->second)
{
mAction = iAction->second;
mLastTime = 0;
}
mSpeed = 1.0f;
}
void
AnimatedSprite::play(const std::string& action, int time)
{
play(action);
if (mAction != NULL)
{
Animation *animation = mAction->getAnimation(mDirection);
int animationLength = animation->getLength();
mSpeed = (float) animationLength / time;
}
}
void
AnimatedSprite::update(int time)
{
// Avoid freaking out at first frame or when tick_time overflows
if (time < mLastTime || mLastTime == 0) mLastTime = time;
// If not enough time have passed yet, do nothing
if (time > mLastTime)
{
if (mAction != NULL)
{
Animation *animation = mAction->getAnimation(mDirection);
animation->update((unsigned int)((time - mLastTime) * mSpeed));
mLastTime = time;
}
}
}
bool
AnimatedSprite::draw(Graphics* graphics, Sint32 posX, Sint32 posY) const
{
if (mAction != NULL)
{
Animation *animation = mAction->getAnimation(mDirection);
if (animation->getCurrentPhase() >= 0)
{
Spriteset *spriteset = mAction->getSpriteset();
Image *image = spriteset->get(animation->getCurrentPhase());
Sint32 offsetX = animation->getOffsetX();
Sint32 offsetY = animation->getOffsetY();
return graphics->drawImage(image, posX + offsetX, posY + offsetY);
}
}
return false;
}
int
AnimatedSprite::getWidth() const
{
if (mAction != NULL)
{
Spriteset *spriteset = mAction->getSpriteset();
return spriteset->getWidth();
}
return 0;
}
int
AnimatedSprite::getHeight() const
{
if (mAction != NULL)
{
Spriteset *spriteset = mAction->getSpriteset();
return spriteset->getHeight();
}
return 0;
}
