animations.h

/* 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/>.
 *
 */

#ifndef TWINE_SCENE_ANIMATIONS_H
#define TWINE_SCENE_ANIMATIONS_H

#include "common/scummsys.h"
#include "twine/parser/anim.h"

namespace TwinE {

struct AnimTimerDataStruct;
class BodyData;
class TwinEEngine;

class Animations {
private:
    TwinEEngine *_engine;
    int16 patchInterAngle(int32 deltaTime, int32 keyFrameLength, int16 newAngle1, int16 lastAngle1) const;
    int16 patchInterStep(int32 deltaTime, int32 keyFrameLength, int16 newPos, int16 lastPos) const;

    bool setInterDepObjet(int32 keyframeIdx, const AnimData &animData, AnimTimerDataStruct *animTimerDataPtr);

    void copyKeyFrameToState(const KeyFrame *keyframe, BodyData &bodyData, int32 numBones) const;
    void copyStateToKeyFrame(KeyFrame *keyframe, const BodyData &bodyData) const;

    bool doSetInterAnimObjet(int32 keyframeIdx, const AnimData &animData, BodyData &bodyData, AnimTimerDataStruct *animTimerDataPt, bool global);

    int _animKeyframeBufIdx = 0;
    KeyFrame _animKeyframeBuf[32];

    int16 _animMasterRot = 0;
    int16 _animStepBeta = 0;
    int16 _animStepAlpha = 0;
    int16 _animStepGamma = 0;

    IVec3 _animStep;

public:
    Animations(TwinEEngine *engine);

    AnimationTypes _currentActorAnimExtraPtr = AnimationTypes::kAnimNone;

    void setAnimObjet(int32 keyframeIdx, const AnimData &animData, BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr);

    bool setInterAnimObjet(int32 keyframeIdx, const AnimData &animData, BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr) {
        return doSetInterAnimObjet(keyframeIdx, animData, bodyData, animTimerDataPtr, true);
    }

    bool setInterAnimObjet2(int32 keyframeIdx, const AnimData &animData, BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr) {
        return doSetInterAnimObjet(keyframeIdx, animData, bodyData, animTimerDataPtr, false);
    }

    int32 searchAnim(AnimationTypes animIdx, int32 actorIdx = OWN_ACTOR_SCENE_INDEX);

    void stockInterAnim(const BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr);

    bool initAnim(AnimationTypes newAnim, AnimType animType, AnimationTypes animExtra, int32 actorIdx); // InitAnim

    void processAnimActions(int32 actorIdx);

    void doAnim(int32 actorIdx);
};

} // namespace TwinE
#endif