#pragma once #include "hwrenderer/scene/hw_drawinfo.h" #include "memarena.h" extern FMemArena RenderDataAllocator; void ResetRenderDataAllocator(); //========================================================================== // // Intermediate struct to link one draw item into a draw list // // unfortunately this struct must not contain pointers because // the arrays may be reallocated! // //========================================================================== enum GLDrawItemType { GLDIT_WALL, GLDIT_FLAT, GLDIT_SPRITE, }; struct GLDrawItem { GLDrawItemType rendertype; int index; GLDrawItem(GLDrawItemType _rendertype,int _index) : rendertype(_rendertype),index(_index) {} }; struct SortNode { int itemindex; SortNode * parent; SortNode * next; // unsorted successor SortNode * left; // left side of this node SortNode * equal; // equal to this node SortNode * right; // right side of this node void UnlinkFromChain(); void Link(SortNode * hook); void AddToEqual(SortNode * newnode); void AddToLeft (SortNode * newnode); void AddToRight(SortNode * newnode); }; //========================================================================== // // One draw list. This contains all info for one type of rendering data // //========================================================================== struct HWDrawList { //private: TArray walls; TArray flats; TArray sprites; TArray drawitems; int SortNodeStart; SortNode * sorted; public: HWDrawList() { next=NULL; SortNodeStart=-1; sorted=NULL; } ~HWDrawList() { Reset(); } unsigned int Size() { return drawitems.Size(); } GLWall *NewWall(); GLFlat *NewFlat(); GLSprite *NewSprite(); void Reset(); void SortWalls(); void SortFlats(); void MakeSortList(); SortNode * FindSortPlane(SortNode * head); SortNode * FindSortWall(SortNode * head); void SortPlaneIntoPlane(SortNode * head,SortNode * sort); void SortWallIntoPlane(SortNode * head,SortNode * sort); void SortSpriteIntoPlane(SortNode * head,SortNode * sort); void SortWallIntoWall(HWDrawInfo *di, SortNode * head,SortNode * sort); void SortSpriteIntoWall(SortNode * head,SortNode * sort); int CompareSprites(SortNode * a,SortNode * b); SortNode * SortSpriteList(SortNode * head); SortNode * DoSort(HWDrawInfo *di, SortNode * head); void Sort(HWDrawInfo *di); void DoDraw(HWDrawInfo *di, int pass, int index, bool trans); void Draw(HWDrawInfo *di, int pass, bool trans = false); void DrawWalls(HWDrawInfo *di, int pass); void DrawFlats(HWDrawInfo *di, int pass); HWDrawList * next; } ;