262 lines
7.6 KiB
C++
262 lines
7.6 KiB
C++
/* Copyright (C) 2010 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 <vector>
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#include "Texture.h"
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#include "MeshManager.h"
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#include "RenderableObject.h"
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#include "Material.h"
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#include "ps/Overlay.h"
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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 CSkeletonAnimManager;
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#define MODELFLAG_CASTSHADOWS (1<<0)
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#define MODELFLAG_NOLOOPANIMATION (1<<1)
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///////////////////////////////////////////////////////////////////////////////
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// CModel: basically, a mesh object - holds the texturing and skinning
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// information for a model in game
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class CModel : public CRenderableObject
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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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Prop() : m_Point(0), m_Model(0), m_ObjectEntry(0), m_Hidden(false) {}
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const SPropPoint* m_Point;
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CModel* m_Model;
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CObjectEntry* m_ObjectEntry;
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bool m_Hidden; // temporarily removed from rendering
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};
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public:
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// constructor
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CModel(CSkeletonAnimManager& skeletonAnimManager);
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// destructor
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~CModel();
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// setup model from given geometry
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bool InitModel(const CModelDefPtr& modeldef);
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// calculate the world space bounds of this model
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void CalcBounds();
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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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CModelDefPtr GetModelDef() { return m_pModelDef; }
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// set the model's texture
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void SetTexture(const CTexturePtr& tex) { m_Texture=tex; }
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// set the model's material
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void SetMaterial(const CMaterial &material);
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// set the model's player ID, recursively through props
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void SetPlayerID(size_t id);
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// get the model's player ID, recursively through props; initial default is (size_t)-1
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size_t GetPlayerID();
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// set the model's player colour
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void SetPlayerColor(const CColor& colour);
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// set the models mod color
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void SetShadingColor(const CColor& colour);
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// get the model's texture
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CTexturePtr& GetTexture() { return m_Texture; }
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// get the model's material
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CMaterial& GetMaterial() { return m_Material; }
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// get the model's shading color
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CColor GetShadingColor() { return m_ShadingColor; }
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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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// recurse down tree setting dirty bits
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void SetDirtyRec(int dirtyflags) {
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SetDirty(dirtyflags);
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for (size_t i=0;i<m_Props.size();i++) {
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m_Props[i].m_Model->SetDirtyRec(dirtyflags);
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}
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}
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// calculate object space bounds of this model, based solely on vertex positions
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void CalcObjectBounds();
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// calculate bounds encompassing all vertex positions for given animation
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void CalcAnimatedObjectBound(CSkeletonAnimDef* anim,CBound& result);
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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);
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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
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const CMatrix3D* GetAnimatedBoneMatrices() {
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debug_assert(m_PositionValid);
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return m_BoneMatrices;
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}
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const CMatrix3D* GetInverseBindBoneMatrices() {
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return m_InverseBindBoneMatrices;
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}
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/**
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* Load raw animation frame animation from given file, and build an
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* animation specific to this model.
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* @param pathname animation file to load
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* @param name animation name (e.g. "idle")
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* @param speed animation speed as a factor of the default animation speed
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* @param actionpos offset of 'action' event, in range [0, 1]
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* @param actionpos2 offset of 'action2' event, in range [0, 1]
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* @return new animation, or NULL on error
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*/
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CSkeletonAnim* BuildAnimation(const VfsPath& pathname, const char* name, float speed, float actionpos, float actionpos2);
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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, CModel* model, CObjectEntry* objectentry);
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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, CModel* 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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CModel* 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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CModel* Clone() const;
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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();
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private:
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// delete anything allocated by the model
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void ReleaseData();
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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();
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/**
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* If non-null, m_Parent points to the model that we
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* are attached to.
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*/
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CModel* m_Parent;
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// object flags
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int m_Flags;
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// texture used by model
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CTexturePtr m_Texture;
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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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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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CBound m_ObjectBounds;
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// animation currently playing on this model, if any
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CSkeletonAnim* m_Anim;
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// time (in MS) into the current animation
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float m_AnimTime;
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// current state of all bones on this model; null if associated modeldef isn't skeletal
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CMatrix3D* m_BoneMatrices;
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// inverse matrices for the bind pose's bones; null if not skeletal
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CMatrix3D* m_InverseBindBoneMatrices;
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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;
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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;
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/**
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* true if both transform and and bone matrices are valid.
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*/
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bool m_PositionValid;
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// modulating color
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CColor m_ShadingColor;
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size_t m_PlayerID;
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// manager object which can load animations for us
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CSkeletonAnimManager& m_SkeletonAnimManager;
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};
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#endif
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