ca892698e3
- Remove unnecessary `volatile` - Replace some operations with atomic ones for soundness - Clean up - Avoid certain UBs - Typo
101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <vector>
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#include <atomic>
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#include <Core/Debug.h>
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#include <Core/Math.h>
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#include "IGLDevice.h"
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namespace spades {
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namespace client {
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class GameMap;
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}
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namespace draw {
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class GLRenderer;
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class IGLDevice;
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class GLAmbientShadowRenderer {
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class UpdateDispatch;
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enum { NumRays = 16, ChunkSize = 16, ChunkSizeBits = 4 };
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GLRenderer *renderer;
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IGLDevice *device;
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client::GameMap *map;
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Vector3 rays[NumRays];
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struct Chunk {
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int cx, cy, cz;
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float data[ChunkSize][ChunkSize][ChunkSize];
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bool dirty = true;
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int dirtyMinX = 0, dirtyMaxX = ChunkSize - 1;
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int dirtyMinY = 0, dirtyMaxY = ChunkSize - 1;
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int dirtyMinZ = 0, dirtyMaxZ = ChunkSize - 1;
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std::atomic<bool> transferDone {true};
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};
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IGLDevice::UInteger texture;
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int w, h, d;
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int chunkW, chunkH, chunkD;
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std::vector<Chunk> chunks;
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inline Chunk &GetChunk(int cx, int cy, int cz) {
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SPAssert(cx >= 0);
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SPAssert(cx < chunkW);
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SPAssert(cy >= 0);
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SPAssert(cy < chunkH);
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SPAssert(cz >= 0);
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SPAssert(cz < chunkD);
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return chunks[(cx + cy * chunkW) * chunkD + cz];
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}
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inline Chunk &GetChunkWrapped(int cx, int cy, int cz) {
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// FIXME: support for non-POT dimensions?
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return GetChunk(cx & (chunkW - 1), cy & (chunkH - 1), cz);
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}
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void Invalidate(int minX, int minY, int minZ, int maxX, int maxY, int maxZ);
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void UpdateChunk(int cx, int cy, int cz);
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void UpdateDirtyChunks();
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int GetNumDirtyChunks();
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UpdateDispatch *dispatch;
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public:
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GLAmbientShadowRenderer(GLRenderer *renderer, client::GameMap *map);
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~GLAmbientShadowRenderer();
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float Evaluate(IntVector3);
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void GameMapChanged(int x, int y, int z, client::GameMap *);
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void Update();
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IGLDevice::UInteger GetTexture() { return texture; }
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};
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}
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}
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