generate tessellated vertices for a given block in the world. More...
#include <BlockTessellators.h>
Inheritance diagram for ParaEngine::BlockTessellatorBase:
Public Member Functions | |
| BlockTessellatorBase (CBlockWorld *pWorld) | |
| virtual void | SetWorld (CBlockWorld *pWorld) |
| int32_t | GetAvgVertexLight (int32_t v1, int32_t v2, int32_t v3, int32_t v4) |
| int32_t | GetMaxVertexLight (int32_t v1, int32_t v2, int32_t v3, int32_t v4) |
| not used. More... | |
| uint8 | GetMeshBrightness (BlockTemplate *pBlockTemplate, uint8 *blockBrightness) |
| uint32_t | CalculateCubeAO () |
| calculate ambient occlusion flags for cube model. More... | |
| virtual int32 | TessellateBlock (BlockChunk *pChunk, uint16 packedBlockId, BlockRenderMethod dwShaderID, BlockVertexCompressed **pOutputData) |
| generate triangles for a given block in a block world, taking all nearby blocks into consideration. More... | |
Public Attributes | |
| Block * | neighborBlocks [27] |
| uint8_t | blockBrightness [27 *3] |
| BlockModel | tessellatedModel |
Protected Member Functions | |
| bool | UpdateCurrentBlock (BlockChunk *pChunk, uint16 packedBlockId) |
| update the current block info, including all block position, m_pCurBlockModel, m_nBlockData, etc. More... | |
| void | FetchNearbyBlockInfo (BlockChunk *pChunk, const Uint16x3 &packedBlockId, int nNearbyBlockCount=27, int nNearbyLightCount=-1) |
| fetch and update nearby (3*3*3=27 blocks) block id and block brightness. More... | |
Protected Attributes | |
| CBlockWorld * | m_pWorld |
| BlockTemplate * | m_pCurBlockTemplate |
| uint32 | m_nBlockData |
| BlockModel * | m_pCurBlockModel |
| Uint16x3 | m_blockId_ws |
| BlockChunk * | m_pChunk |
| Uint16x3 | m_blockId_cs |
Detailed Description
generate tessellated vertices for a given block in the world.
Member Function Documentation
§ CalculateCubeAO()
| uint32_t ParaEngine::BlockTessellatorBase::CalculateCubeAO | ( | ) |
calculate ambient occlusion flags for cube model.
- Returns
- ao_flags
§ FetchNearbyBlockInfo()
|
protected |
fetch and update nearby (3*3*3=27 blocks) block id and block brightness.
- Parameters
-
nNearbyBlockCount how many nearby blocks to update. 1 means only the center block, 7 means including 6 neighbors. by default it is 27, which fetches all blocks in 3*3*3=27 block region. nNearbyLightCount default it is -1, which means same as nNearbyBlockCount. if 0 it will disable fetching any light data
§ GetMaxVertexLight()
| int32_t ParaEngine::BlockTessellatorBase::GetMaxVertexLight | ( | int32_t | v1, |
| int32_t | v2, | ||
| int32_t | v3, | ||
| int32_t | v4 | ||
| ) |
not used.
old algorithm for GetAvgVertexLight
§ GetMeshBrightness()
| uint8 ParaEngine::BlockTessellatorBase::GetMeshBrightness | ( | BlockTemplate * | pBlockTemplate, |
| uint8 * | blockBrightness | ||
| ) |
- Parameters
-
brightness at least array of 7 values. first is center, the following 6 is neighbours.
§ TessellateBlock()
|
virtual |
generate triangles for a given block in a block world, taking all nearby blocks into consideration.
generate block vertex data for rendering in relative chunk space. [threading]: this function is not thread safe, since it internally use global static object as the output.
- Parameters
-
pOutputData generated vertex data. use it immediately and do not keep a reference to it. it will be invalid after the next call to this function.
- Returns
- rect face count is returned. this value*4 is the number of generated vertices in pOutputData.
Reimplemented in ParaEngine::BlockGeneralTessellator.
§ UpdateCurrentBlock()
|
protected |
update the current block info, including all block position, m_pCurBlockModel, m_nBlockData, etc.
will be updated.
The documentation for this class was generated from the following files:
- Client/trunk/ParaEngineClient/BlockEngine/BlockTessellators.h
- Client/trunk/ParaEngineClient/BlockEngine/BlockTessellators.cpp
