vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
262 lines
8.6 KiB
C++
262 lines
8.6 KiB
C++
/* Copyright (C) 2023 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Mesh object with texture and skinning information
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*/
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#ifndef INCLUDED_MODEL
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#define INCLUDED_MODEL
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#include "graphics/Material.h"
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#include "graphics/MeshManager.h"
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#include "graphics/ModelAbstract.h"
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#include <vector>
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struct SPropPoint;
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class CObjectEntry;
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class CSkeletonAnim;
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class CSkeletonAnimDef;
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class CSimulation2;
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// Holds world information for a particular instance of a model in the game.
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class CModel : public CModelAbstract
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{
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NONCOPYABLE(CModel);
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public:
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struct Prop
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{
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float m_MinHeight{0.0f};
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float m_MaxHeight{0.0f};
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/**
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* Location of the prop point within its parent model, relative to either a bone in the parent model or to the
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* parent model's origin. See the documentation for @ref SPropPoint for more details.
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* @see SPropPoint
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*/
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const SPropPoint* m_Point{nullptr};
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/**
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* Pointer to the model associated with this prop. Note that the transform matrix held by this model is the full object-to-world
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* space transform, taking into account all parent model positioning (see @ref CModel::ValidatePosition for positioning logic).
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* @see CModel::ValidatePosition
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*/
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std::unique_ptr<CModelAbstract> m_Model;
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CObjectEntry* m_ObjectEntry{nullptr};
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bool m_Hidden{false}; ///< Should this prop be temporarily removed from rendering?
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bool m_Selectable{true}; /// < should this prop count in the selection size?
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};
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public:
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CModel(const CSimulation2& simulation, const CMaterial& material, const CModelDefPtr& modeldef);
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~CModel() override;
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/// Dynamic cast
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CModel* ToCModel() override
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{
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return this;
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}
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// update this model's state; 'time' is the absolute time since the start of the animation, in MS
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void UpdateTo(float time);
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// get the model's geometry data
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const CModelDefPtr& GetModelDef() { return m_pModelDef; }
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// set the model's player ID, recursively through props
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void SetPlayerID(player_id_t id) override;
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// set the models mod color
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void SetShadingColor(const CColor& color) override;
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// get the model's material
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const CMaterial& GetMaterial() { return m_Material; }
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// set the given animation as the current animation on this model
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bool SetAnimation(CSkeletonAnim* anim, bool once = false);
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// get the currently playing animation, if any
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CSkeletonAnim* GetAnimation() const { return m_Anim; }
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// set the animation state to be the same as from another; both models should
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// be compatible types (same type of skeleton)
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void CopyAnimationFrom(CModel* source);
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// set object flags
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void SetFlags(int flags) { m_Flags=flags; }
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// get object flags
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int GetFlags() const { return m_Flags; }
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// add object flags, recursively through props
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void AddFlagsRec(int flags);
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// remove shadow casting and receiving, recursively through props
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// TODO: replace with more generic shader define + flags setting
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void RemoveShadowsRec();
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void SetTerrainDirty(ssize_t i0, ssize_t j0, ssize_t i1, ssize_t j1) override
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{
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for (size_t i = 0; i < m_Props.size(); ++i)
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m_Props[i].m_Model->SetTerrainDirty(i0, j0, i1, j1);
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}
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void SetEntityVariable(const std::string& name, float value) override
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{
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for (size_t i = 0; i < m_Props.size(); ++i)
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m_Props[i].m_Model->SetEntityVariable(name, value);
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}
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// --- WORLD/OBJECT SPACE BOUNDS -----------------------------------------------------------------
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/// Overridden to calculate both the world-space and object-space bounds of this model, and stores the result in
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/// m_Bounds and m_ObjectBounds, respectively.
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void CalcBounds() override;
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/// Returns the object-space bounds for this model, excluding its children.
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const CBoundingBoxAligned& GetObjectBounds()
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{
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RecalculateBoundsIfNecessary(); // recalculates both object-space and world-space bounds if necessary
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return m_ObjectBounds;
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}
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const CBoundingBoxAligned GetWorldBoundsRec() override; // reimplemented here
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/// Auxiliary method; calculates object space bounds of this model, based solely on vertex positions, and stores
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/// the result in m_ObjectBounds. Called by CalcBounds (instead of CalcAnimatedObjectBounds) if it has been determined
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/// that the object-space bounds are static.
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void CalcStaticObjectBounds();
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/// Auxiliary method; calculate object-space bounds encompassing all vertex positions for given animation, and stores
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/// the result in m_ObjectBounds. Called by CalcBounds (instead of CalcStaticBounds) if it has been determined that the
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/// object-space bounds need to take animations into account.
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void CalcAnimatedObjectBounds(CSkeletonAnimDef* anim,CBoundingBoxAligned& result);
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// --- SELECTION BOX/BOUNDS ----------------------------------------------------------------------
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/// Reimplemented here since proper models should participate in selection boxes.
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const CBoundingBoxAligned GetObjectSelectionBoundsRec() override;
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/**
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* Set transform of this object.
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*
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* @note In order to ensure that all child props are updated properly,
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* you must call ValidatePosition().
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*/
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void SetTransform(const CMatrix3D& transform) override;
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/**
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* Return whether this is a skinned/skeletal model. If it is, Get*BoneMatrices()
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* will return valid non-NULL arrays.
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*/
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bool IsSkinned() { return (m_BoneMatrices != NULL); }
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// return the models bone matrices; 16-byte aligned for SSE reads
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const CMatrix3D* GetAnimatedBoneMatrices()
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{
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ENSURE(m_PositionValid);
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return m_BoneMatrices;
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}
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/**
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* Add a prop to the model on the given point.
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*/
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void AddProp(const SPropPoint* point, std::unique_ptr<CModelAbstract> model, CObjectEntry* objectentry, float minHeight = 0.f, float maxHeight = 0.f, bool selectable = true);
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/**
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* Add a prop to the model on the given point, and treat it as the ammo prop.
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* The prop will be hidden by default.
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*/
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void AddAmmoProp(const SPropPoint* point, std::unique_ptr<CModelAbstract> model, CObjectEntry* objectentry);
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/**
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* Show the ammo prop (if any), and hide any other props on that prop point.
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*/
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void ShowAmmoProp();
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/**
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* Hide the ammo prop (if any), and show any other props on that prop point.
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*/
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void HideAmmoProp();
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/**
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* Find the first prop used for ammo, by this model or its own props.
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*/
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CModelAbstract* FindFirstAmmoProp();
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// return prop list
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std::vector<Prop>& GetProps() { return m_Props; }
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const std::vector<Prop>& GetProps() const { return m_Props; }
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// return a clone of this model
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std::unique_ptr<CModelAbstract> Clone() const override;
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/**
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* Ensure that both the transformation and the bone
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* matrices are correct for this model and all its props.
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*/
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void ValidatePosition() override;
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/**
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* Mark this model's position and bone matrices,
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* and all props' positions as invalid.
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*/
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void InvalidatePosition() override;
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private:
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// Needed for terrain aligned props
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const CSimulation2& m_Simulation;
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// object flags
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int m_Flags{0};
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// model's material
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CMaterial m_Material;
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// pointer to the model's raw 3d data
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const CModelDefPtr m_pModelDef;
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// object space bounds of model - accounts for bounds of all possible animations
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// that can play on a model. Not always up-to-date - currently CalcBounds()
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// updates it when necessary.
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CBoundingBoxAligned m_ObjectBounds;
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// animation currently playing on this model, if any
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CSkeletonAnim* m_Anim = nullptr;
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// time (in MS) into the current animation
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float m_AnimTime{0.0f};
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/**
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* Current state of all bones on this model; null if associated modeldef isn't skeletal.
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* Props may attach to these bones by means of the SPropPoint::m_BoneIndex field; in this case their
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* transformation matrix held is relative to the bone transformation (see @ref SPropPoint and
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* @ref CModel::ValidatePosition).
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*
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* @see SPropPoint
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*/
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CMatrix3D* m_BoneMatrices{nullptr};
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// list of current props on model
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std::vector<Prop> m_Props;
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/**
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* The prop point to which the ammo prop is attached, or NULL if none
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*/
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const SPropPoint* m_AmmoPropPoint{nullptr};
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/**
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* If m_AmmoPropPoint is not NULL, then the index in m_Props of the ammo prop
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*/
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size_t m_AmmoLoadedProp{0};
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};
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#endif // INCLUDED_MODEL
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