Files
TSE/TSE_Core/src/BehaviourScripts/TileMap.cpp

328 lines
9.3 KiB
C++

#include "TileMap.hpp"
TSE::TileMapChunk::TileMapChunk(int _chunksize, const Vector2 &_pos, SortingOrder _order)
{
chunksize = _chunksize;
pos = _pos;
order = _order;
}
void TSE::TileMapChunk::SetTile(const Vector2& p, const Vector2& Spriteindex, const Vector2& Normalindex, TileSet* set)
{
int normalid = -1;
if(Normalindex != Vector2(-1,-1))
normalid = set->GetSpriteIdAt(Normalindex.x, Normalindex.y);
sprites[p] = {set->GetSpriteIdAt(Spriteindex.x, Spriteindex.y), normalid};
dirtyPositions = true;
dirtySpriteIds = true;
}
void TSE::TileMapChunk::RemoveTile(Vector2 p)
{
sprites.erase(p);
}
void TSE::TileMapChunk::SetOrdering(SortingOrder _order)
{
order = _order;
dirtyPositions = true;
dirtySpriteIds = true;
}
const std::vector<TSE::Vector2>* TSE::TileMapChunk::GetOrderedPositions()
{
if(dirtyPositions)
{
orderedPositions.clear();
switch (order)
{
case TopLeft:
for (int y = 0; y < chunksize; y++)
{
Vector2 offset = nextLine * y;
for (int x = 0; x < chunksize; x++)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedPositions.push_back(v->first * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * y, nextLine.y * 0.5f * x));
}
}
break;
case TopRight:
for (int y = 0; y < chunksize; y++)
{
Vector2 offset = nextLine * y;
for (int x = chunksize - 1; x >= 0; x--)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedPositions.push_back(v->first * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * y, nextLine.y * 0.5f * x));
}
}
break;
case BottomLeft:
for (int y = chunksize - 1; y >= 0; y--)
{
Vector2 offset = nextLine * y;
for (int x = 0; x < chunksize; x++)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedPositions.push_back(v->first * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * y, nextLine.y * 0.5f * x));
}
}
break;
case BottomRight:
for (int y = chunksize - 1; y >= 0; y--)
{
Vector2 offset = nextLine * y;
for (int x = chunksize - 1; x >= 0; x--)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedPositions.push_back(v->first * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * y, nextLine.y * 0.5f * x));
}
}
break;
}
dirtyPositions = false;
}
return &orderedPositions;
}
const std::vector<TSE::Vector2i>* TSE::TileMapChunk::GetOrderedSpriteIds()
{
if(dirtySpriteIds)
{
orderedSpriteIDs.clear();
switch (order)
{
case TopLeft:
for (int y = 0; y < chunksize; y++)
{
for (int x = 0; x < chunksize; x++)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedSpriteIDs.push_back(v->second);
}
}
break;
case TopRight:
for (int y = 0; y < chunksize; y++)
{
for (int x = chunksize - 1; x >= 0; x--)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedSpriteIDs.push_back(v->second);
}
}
break;
case BottomLeft:
for (int y = chunksize - 1; y >= 0; y--)
{
for (int x = 0; x < chunksize; x++)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedSpriteIDs.push_back(v->second);
}
}
break;
case BottomRight:
for (int y = chunksize - 1; y >= 0; y--)
{
for (int x = chunksize - 1; x >= 0; x--)
{
Vector2 p(x,y);
auto v = sprites.find(p);
if(v != sprites.end())
orderedSpriteIDs.push_back(v->second);
}
}
break;
}
dirtySpriteIds = false;
}
return &orderedSpriteIDs;
}
int TSE::TileMapChunk::GetChunksize()
{
return chunksize;
}
int TSE::TileMapChunk::GetSpriteCount()
{
return sprites.size();
}
void TSE::TileMap::RemoveTile(Vector2 p)
{
Vector2 chunkInnerPos = LocalToChunkPos(p);
Vector2 chunkIndex = p - chunkInnerPos;
if(chunks.contains(chunkIndex))
chunks[chunkIndex].RemoveTile(chunkInnerPos);
}
void TSE::TileMap::SetTile(Vector2 p, Vector2 Spriteindex, Vector2 Normalindex)
{
Vector2 chunkInnerPos = LocalToChunkPos(p);
Vector2 chunkIndex = p - chunkInnerPos;
if(!chunks.contains(chunkIndex))
{
dirty = true;
chunks[chunkIndex] = TileMapChunk(chunkSize, chunkIndex, order);
chunks[chunkIndex].nextLine = nextLine;
CheckBounds(chunkIndex);
}
chunks[chunkIndex].SetTile(chunkInnerPos, Spriteindex, Normalindex, set);
}
TSE::TileMapChunk* TSE::TileMap::GetChunk(const Vector2 &pos)
{
auto chunk = chunks.find(pos);
if(chunk == chunks.end())
return nullptr;
return &chunks[pos];
}
const std::vector<TSE::Vector2>* TSE::TileMap::GetChunkPositionsInOrder()
{
if(dirty)
{
orderedChunks.clear();
switch (order)
{
case TopLeft:
for (int y = bounds.p1.y; y < bounds.p2.y + 1; y++)
{
for (int x = bounds.p1.x; x < bounds.p2.x + 1; x++)
{
Vector2 p(x,y);
auto v = chunks.find(p);
if(v != chunks.end())
orderedChunks.push_back(v->first);
}
}
break;
case TopRight:
for (int y = bounds.p1.y; y < bounds.p2.y + 1; y++)
{
for (int x = bounds.p2.x; x > bounds.p1.x - 1; x--)
{
Vector2 p(x,y);
auto v = chunks.find(p);
if(v != chunks.end())
orderedChunks.push_back(v->first);
}
}
break;
case BottomLeft:
for (int y = bounds.p2.y; y > bounds.p1.y - 1; y--)
{
for (int x = bounds.p1.x; x < bounds.p2.x + 1; x++)
{
Vector2 p(x,y);
auto v = chunks.find(p);
if(v != chunks.end())
orderedChunks.push_back(v->first);
}
}
break;
case BottomRight:
for (int y = bounds.p2.y; y > bounds.p1.y - 1; y--)
{
for (int x = bounds.p2.x; x > bounds.p1.x - 1; x--)
{
Vector2 p(x,y);
auto v = chunks.find(p);
if(v != chunks.end())
orderedChunks.push_back(v->first);
}
}
break;
}
dirty = false;
}
return &orderedChunks;
}
int TSE::TileMap::GetChunkCount()
{
return chunks.size();
}
TSE::TileSet *TSE::TileMap::GetTileSet()
{
return set;
}
void TSE::TileMap::SetNextLineOffset(const Vector2 &offset)
{
nextLine = offset;
for(auto& [_, chunk] : chunks)
{
chunk.nextLine = offset;
}
DirtyAll();
}
TSE::Vector2 TSE::TileMap::GetNextLineOffset()
{
return nextLine;
}
void TSE::TileMap::DirtyAll()
{
dirty = true;
for(auto& chunk : chunks)
{
chunk.second.dirtyPositions = true;
chunk.second.dirtySpriteIds = true;
}
}
void TSE::TileMap::CheckBounds(Vector2 pos)
{
if(pos.x > bounds.p2.x)
bounds.p2.x = pos.x;
if(pos.y > bounds.p2.y)
bounds.p2.y = pos.y;
if(pos.x < bounds.p1.x)
bounds.p1.x = pos.x;
if(pos.y < bounds.p1.y)
bounds.p1.y = pos.y;
}
TSE::Vector2 TSE::TileMap::LocalToChunkPos(const Vector2 &v)
{
Vector2 p = Vector2((int)v.x % chunkSize, (int)v.y % chunkSize);
if(p.x < 0) p.x += chunkSize;
if(p.y < 0) p.y += chunkSize;
return p;
}
TSE::Vector2 TSE::TileMap::ChunkToLocalPos(const Vector2 &v, const TileMapChunk &chunk)
{
return v + chunk.pos * chunkSize;
}
TSE::Vector2 TSE::TileMap::RealPosToTileMapPos(const Vector2 &v)
{
return v * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * v.y, nextLine.y * 0.5f * v.x);
}
TSE::Vector2 TSE::TileMap::TileMapToRealPos(const Vector2 &v)
{
return v * Vector2(nextLine.x, nextLine.y * 0.5f) + Vector2(-nextLine.x * v.y, nextLine.y * 0.5f * v.x);
}