1 files changed, 66 insertions, 0 deletions
diff --git a/src/peds/PedIK.h b/src/peds/PedIK.h
new file mode 100644
index 0000000..ee719fe
--- /dev/null
+++ b/src/peds/PedIK.h
@@ -0,0 +1,66 @@
+#pragma once
+#include "common.h"
+#include "AnimBlendClumpData.h"
+
+struct LimbOrientation
+{
+	float yaw;
+	float pitch;
+};
+
+struct LimbMovementInfo {
+	float maxYaw;
+	float minYaw;
+	float yawD;
+	float maxPitch;
+	float minPitch;
+	float pitchD;
+};
+
+enum LimbMoveStatus {
+	ANGLES_SET_TO_MAX, // because given angles were unreachable
+	ONE_ANGLE_COULDNT_BE_SET_EXACTLY, // because it can't be reached in a jiffy
+	ANGLES_SET_EXACTLY
+};
+
+class CPed;
+
+class CPedIK
+{
+public:
+	enum {
+		GUN_POINTED_SUCCESSFULLY = 1, // set but unused
+		LOOKAROUND_HEAD_ONLY = 2,
+		AIMS_WITH_ARM = 4,
+	};
+
+	CPed *m_ped;
+	LimbOrientation m_headOrient;
+	LimbOrientation m_torsoOrient;
+	LimbOrientation m_upperArmOrient;
+	LimbOrientation m_lowerArmOrient;
+	int32 m_flags;
+
+	static LimbMovementInfo ms_torsoInfo;
+	static LimbMovementInfo ms_headInfo;
+	static LimbMovementInfo ms_headRestoreInfo;
+	static LimbMovementInfo ms_upperArmInfo;
+	static LimbMovementInfo ms_lowerArmInfo;
+
+	CPedIK(CPed *ped);
+	bool PointGunInDirection(float targetYaw, float targetPitch);
+	bool PointGunInDirectionUsingArm(float targetYaw, float targetPitch);
+	bool PointGunAtPosition(CVector const& position);
+	void GetComponentPosition(RwV3d &pos, uint32 node);
+	void RotateTorso(AnimBlendFrameData* animBlend, LimbOrientation* limb, bool changeRoll);
+	void ExtractYawAndPitchLocal(RwMatrix *mat, float *yaw, float *pitch);
+	void ExtractYawAndPitchLocalSkinned(AnimBlendFrameData *node, float *yaw, float *pitch);
+	void ExtractYawAndPitchWorld(RwMatrix *mat, float *yaw, float *pitch);
+	LimbMoveStatus MoveLimb(LimbOrientation &limb, float targetYaw, float targetPitch, LimbMovementInfo &moveInfo);
+	bool RestoreGunPosn(void);
+	bool LookInDirection(float targetYaw, float targetPitch);
+	bool LookAtPosition(CVector const& pos);
+	bool RestoreLookAt(void);
+};
+
+VALIDATE_SIZE(CPedIK, 0x28);