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engines/twine/scene/animations.h

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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/>.
+ *
+ */
+
+#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;
+
+	/**
+	 * Verify animation at keyframe
+	 * @param keyframeIdx Animation key frame index
+	 * @param animData Animation data
+	 * @param animTimerDataPtr Animation time data
+	 */
+	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];
+
+	/** Rotation by anim and not by engine */
+	int16 _animMasterRot = 0;
+	/** Last rotation angle */
+	int16 _animStepBeta = 0;
+	int16 _animStepAlpha = 0;
+	int16 _animStepGamma = 0;
+
+	/** Current step coordinates */
+	IVec3 _animStep;
+
+public:
+	Animations(TwinEEngine *engine);
+
+	/** Current actor anim extra pointer */
+	AnimationTypes _currentActorAnimExtraPtr = AnimationTypes::kAnimNone;
+
+	/**
+	 * Set animation keyframe
+	 * @param keyframIdx Animation keyframe index
+	 * @param animData Animation data
+	 * @param bodyData Body model data
+	 * @param animTimerDataPtr Animation time data
+	 */
+	void setAnimObjet(int32 keyframeIdx, const AnimData &animData, BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr);
+
+	/**
+	 * Set new body animation
+	 * @param keyframeIdx Animation key frame index
+	 * @param animData Animation data
+	 * @param bodyData Body model data
+	 * @param animTimerDataPtr Animation time data
+	 */
+	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);
+	}
+
+	/**
+	 * Get entity anim index (This is taken from File3D entities)
+	 * @param animIdx Entity animation index
+	 * @param actorIdx Actor index
+	 */
+	int32 searchAnim(AnimationTypes animIdx, int32 actorIdx = OWN_ACTOR_SCENE_INDEX);
+
+	/**
+	 * Stock animation - copy the next keyFrame from a different buffer
+	 * @param bodyData Body model data
+	 * @param animTimerDataPtr Animation time data
+	 */
+	void stockInterAnim(const BodyData &bodyData, AnimTimerDataStruct *animTimerDataPtr);
+
+	/**
+	 * Initialize animation
+	 * @param newAnim animation to init
+	 * @param animType animation type
+	 * @param animExtra animation actions extra data
+	 * @param actorIdx actor index
+	 */
+	bool initAnim(AnimationTypes newAnim, AnimType animType, AnimationTypes animExtra, int32 actorIdx); // InitAnim
+
+	/**
+	 * Process acotr animation actions
+	 * @param actorIdx Actor index
+	 */
+	void processAnimActions(int32 actorIdx);
+
+	/**
+	 * Process main loop actor animations
+	 * @param actorIdx Actor index
+	 */
+	void doAnim(int32 actorIdx);
+};
+
+} // namespace TwinE
+#endif