137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file texMatrixAttrib.h
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* @author drose
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* @date 2002-03-14
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*/
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#ifndef TEXMATRIXATTRIB_H
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#define TEXMATRIXATTRIB_H
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#include "pandabase.h"
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#include "geom.h"
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#include "renderAttrib.h"
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#include "textureStage.h"
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#include "transformState.h"
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#include "pointerTo.h"
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class FactoryParams;
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/**
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* Applies a transform matrix to UV's before they are rendered.
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*/
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class EXPCL_PANDA_PGRAPH TexMatrixAttrib : public RenderAttrib {
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protected:
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INLINE TexMatrixAttrib();
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INLINE TexMatrixAttrib(const TexMatrixAttrib ©);
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public:
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virtual ~TexMatrixAttrib();
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PUBLISHED:
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static CPT(RenderAttrib) make();
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static CPT(RenderAttrib) make(const LMatrix4 &mat);
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static CPT(RenderAttrib) make(TextureStage *stage, const TransformState *transform);
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static CPT(RenderAttrib) make_default();
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CPT(RenderAttrib) add_stage(TextureStage *stage, const TransformState *transform, int override = 0) const;
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CPT(RenderAttrib) remove_stage(TextureStage *stage) const;
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bool is_empty() const;
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bool has_stage(TextureStage *stage) const;
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int get_num_stages() const;
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TextureStage *get_stage(int n) const;
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MAKE_SEQ(get_stages, get_num_stages, get_stage);
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const LMatrix4 &get_mat() const;
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const LMatrix4 &get_mat(TextureStage *stage) const;
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CPT(TransformState) get_transform(TextureStage *stage) const;
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INLINE int get_override(TextureStage *stage) const;
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INLINE int get_geom_rendering(int geom_rendering) const;
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public:
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virtual void output(std::ostream &out) const;
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protected:
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virtual int compare_to_impl(const RenderAttrib *other) const;
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virtual size_t get_hash_impl() const;
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virtual CPT(RenderAttrib) compose_impl(const RenderAttrib *other) const;
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virtual CPT(RenderAttrib) invert_compose_impl(const RenderAttrib *other) const;
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private:
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INLINE void check_stage_list() const;
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void rebuild_stage_list();
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private:
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class StageNode {
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public:
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INLINE StageNode(const TextureStage *stage);
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INLINE bool operator < (const StageNode &other) const;
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PT(TextureStage) _stage;
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CPT(TransformState) _transform;
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int _override;
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};
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class CompareTextureStagePointer {
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public:
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INLINE bool operator () (const TexMatrixAttrib::StageNode &a, const TexMatrixAttrib::StageNode &b) const;
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};
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typedef ov_set<StageNode, CompareTextureStagePointer> Stages;
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Stages _stages;
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static CPT(RenderAttrib) _empty_attrib;
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PUBLISHED:
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static int get_class_slot() {
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return _attrib_slot;
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}
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virtual int get_slot() const {
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return get_class_slot();
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}
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MAKE_PROPERTY(class_slot, get_class_slot);
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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virtual int complete_pointers(TypedWritable **plist, BamReader *manager);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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void fillin(DatagramIterator &scan, BamReader *manager);
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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RenderAttrib::init_type();
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register_type(_type_handle, "TexMatrixAttrib",
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RenderAttrib::get_class_type());
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_attrib_slot = register_slot(_type_handle, 100, new TexMatrixAttrib);
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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static int _attrib_slot;
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};
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#include "texMatrixAttrib.I"
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#endif
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