156 lines
3.6 KiB
C++
156 lines
3.6 KiB
C++
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#ifndef UIGEOMETRY_H
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#define UIGEOMETRY_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "tier1/utlvector.h"
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#include "tier1/timeutils.h"
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#include "materialsystem/materialsystemutil.h"
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#include "bitmap/psheet.h"
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#include "resourcesystem/stronghandle.h"
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#include "rendersystem/irenderdevice.h"
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struct StageRenderInfo_t;
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class CGraphicGroup;
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//-----------------------------------------------------------------------------
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// Geometry makes an array of triangles by indexing into the point data
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//-----------------------------------------------------------------------------
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class CTriangle
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{
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public:
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int m_PointIndex[3];
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};
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//-----------------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------------
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class CRenderGeometry
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{
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public:
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int GetTriangleCount();
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int GetVertexCount();
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DmeTime_t GetAnimStartTime();
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CUtlVector< Vector2D > m_Positions;
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CUtlVector< Vector2D > m_TextureCoords;
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CUtlVector< color32 > m_VertexColors;
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CUtlVector< CTriangle > m_Triangles;
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union
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{
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int m_SheetSequenceNumber;
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int m_FontTextureID;
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};
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float m_AnimationRate;
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DmeTime_t m_AnimStartTime;
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bool m_bAnimate;
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const char *m_pImageAlias;
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};
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typedef CUtlVector< CRenderGeometry > RenderGeometryList_t;
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struct LayerRenderLists_t
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{
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CUtlVector< RenderGeometryList_t > m_RenderGeometryLists;
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int m_LayerType;
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IMaterial *m_pMaterial;
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CSheet *m_pSheet;
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HRenderTextureStrong m_hTexture;
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};
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struct RectExtents_t
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{
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Vector2D m_TopLeft;
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Vector2D m_BottomRight;
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};
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//-----------------------------------------------------------------------------
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//
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//-----------------------------------------------------------------------------
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class CGeometry
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{
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public:
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CGeometry();
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int GetTriangleCount()
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{
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return m_Triangles.Count();
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}
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void SetResultantColor( color32 parentColor );
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void UpdateRenderTransforms( const StageRenderInfo_t &stageRenderInfo, const CGraphicGroup *pGroup );
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void UpdateRenderData( CUtlVector< RenderGeometryList_t > &renderGeometryLists, int firstListIndex );
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void GetBounds( Rect_t &bounds );
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CUtlVector< Vector2D > m_RelativePositions;
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CUtlVector< Vector2D > m_TextureCoords;
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CUtlVector< color32 > m_VertexColors;
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CUtlVector< CTriangle > m_Triangles;
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Vector2D m_Center;
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Vector2D m_Scale;
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float m_Rotation;
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color32 m_Color;
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color32 m_TopColor;
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color32 m_BottomColor;
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bool m_bHorizontalGradient;
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int m_SheetSequenceNumber;
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float m_AnimationRate;
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int m_Sublayer;
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bool m_bMaintainAspectRatio;
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bool m_bVisible;
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DmeTime_t m_AnimStartTime;
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bool m_bAnimate;
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matrix3x4_t m_RenderToScreen;
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matrix3x4_t m_RenderToScreenHoldAspectRatio;
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bool m_bDirtyExtents; // if true, recalculate extents on the next render.
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RectExtents_t m_Extents;
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void CalculateExtents();
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void DrawExtents( CUtlVector< RenderGeometryList_t > &renderGeometryLists, int firstListIndex, color32 extentLineColor );
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private:
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void CalculateExtentsMatrix( const StageRenderInfo_t &stageRenderInfo, const CGraphicGroup *pGroup );
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// For applying color gradients
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void SetResultantColor( bool bTop, color32 parentColor );
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void SetTopVerticesColor( color32 c );
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void SetBottomVerticesColor( color32 c );
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// Use this matrix to calcuate extents positions on screen.
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matrix3x4_t m_ExtentsMatrix;
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};
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extern bool PointTriangleHitTest( Vector2D tringleVert0, Vector2D tringleVert1, Vector2D tringleVert2, Vector2D point );
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#endif // UIGEOMETRY_H
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