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/*
Copyright (C) 2010-2017 - Lugaru contributors (see AUTHORS file)
This file is part of Lugaru.
Lugaru 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.
Lugaru 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 Lugaru. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Animation/Animation.hpp"
#include "Animation/Skeleton.hpp"
#include "Game.hpp"
#include "Utils/Folders.hpp"
std::vector<Animation> Animation::animations;
void Animation::loadAll()
{
#define DECLARE_ANIM(id, file, height, attack, ...) \
if (id < loadable_anim_end) \
animations.emplace_back(file, height, attack);
#include "Animation.def"
#undef DECLARE_ANIM
}
void AnimationFrame::loadBaseInfo(FILE* tfile)
{
// for each joint in the skeleton...
for (unsigned j = 0; j < joints.size(); j++) {
// read joint position
funpackf(tfile, "Bf Bf Bf", &joints[j].position.x, &joints[j].position.y, &joints[j].position.z);
}
for (unsigned j = 0; j < joints.size(); j++) {
// read twist
funpackf(tfile, "Bf", &joints[j].twist);
}
for (unsigned j = 0; j < joints.size(); j++) {
// read onground (boolean)
unsigned char uch;
funpackf(tfile, "Bb", &uch);
joints[j].onground = (uch != 0);
}
// read frame speed (?)
funpackf(tfile, "Bf", &speed);
}
void AnimationFrame::loadTwist2(FILE* tfile)
{
for (unsigned j = 0; j < joints.size(); j++) {
funpackf(tfile, "Bf", &joints[j].twist2);
}
}
void AnimationFrame::loadLabel(FILE* tfile)
{
funpackf(tfile, "Bf", &label);
}
void AnimationFrame::loadWeaponTarget(FILE* tfile)
{
funpackf(tfile, "Bf Bf Bf", &weapontarget.x, &weapontarget.y, &weapontarget.z);
}
Animation::Animation()
: height(lowheight)
, attack(neutral)
, numjoints(0)
{
}
/* EFFECT
* load an animation from file
*/
Animation::Animation(const std::string& filename, anim_height_type aheight, anim_attack_type aattack)
: Animation()
{
FILE* tfile;
int numframes;
unsigned i;
LOGFUNC;
// Changing the filename into something the OS can understand
std::string filepath = Folders::getResourcePath("Animations/" + filename);
LOG(std::string("Loading animation...") + filepath);
height = aheight;
attack = aattack;
Game::LoadingScreen();
// read file in binary mode
tfile = Folders::openMandatoryFile(filepath, "rb");
// read numframes, joints to know how much memory to allocate
funpackf(tfile, "Bi Bi", &numframes, &numjoints);
// allocate memory for everything
frames.resize(numframes);
// read binary data as animation
// for each frame...
for (i = 0; i < frames.size(); i++) {
frames[i].joints.resize(numjoints);
frames[i].loadBaseInfo(tfile);
}
// read twist2 for whole animation
for (i = 0; i < frames.size(); i++) {
frames[i].loadTwist2(tfile);
}
// read label for each frame
for (i = 0; i < frames.size(); i++) {
frames[i].loadLabel(tfile);
}
// read unused weapontargetnum
int weapontargetnum;
funpackf(tfile, "Bi", &weapontargetnum);
// read weapontarget positions for each frame
for (i = 0; i < frames.size(); i++) {
frames[i].loadWeaponTarget(tfile);
}
fclose(tfile);
XYZ endoffset;
endoffset = 0;
// find average position of certain joints on last frames
// and save in endoffset
// (not sure what exactly this accomplishes. the y < 1 test confuses me.)
for (i = 0; i < frames.back().joints.size(); i++) {
if (frames.back().joints[i].position.y < 1) {
endoffset += frames.back().joints[i].position;
}
}
endoffset /= numjoints;
offset = endoffset;
offset.y = 0;
}
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