raze/source/core/rendering/hw_sections.h
Christoph Oelckers 7c5080f654 - reimplemented sector splitting.
With the new setup this is a lot easier than with the old one.
2021-12-30 09:53:10 +01:00

62 lines
1.4 KiB
C++

#pragma once
#include "build.h"
enum ESEctionFlag
{
Unclosed = 1, // at least one unclosed loop
Dumped = 2, // builder was unable to properly construct, so content may not be usable for triangulator.
BadWinding = 4,
};
struct SectionLine
{
int section;
int partnersection;
int startpoint;
int endpoint;
int wall;
int partner;
vec2_t v1() const { return ::wall[startpoint].pos; }
vec2_t v2() const { return ::wall[endpoint].pos; }
walltype* wallp() const { return &::wall[wall]; }
SectionLine* partnerLine() const;
};
extern TArray<SectionLine> sectionLines;
inline SectionLine* SectionLine::partnerLine() const
{
return partner == -1 ? nullptr : &sectionLines[partner];
}
struct Section2Loop
{
TArrayView<int> walls;
};
struct Section
{
uint8_t flags;
uint8_t dirty;
uint8_t geomflags;
unsigned index;
int sector;
// this uses a memory arena for storage, so use TArrayView instead of TArray
TArrayView<int> lines;
TArrayView<Section2Loop> loops;
};
extern TArray<Section> sections;
extern TArrayView<TArrayView<Section*>> sectionsPerSector;
void hw_CreateSections2();
using Outline = TArray<TArray<vec2_t>>;
using Point = std::pair<float, float>;
using FOutline = std::vector<std::vector<Point>>; // Data type was chosen so it can be passed directly into Earcut.
Outline BuildOutline(Section* section);
void hw_SetSplitSector(int sector, int startpos, int endpos);
void hw_ClearSplitSector();