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working on #672

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Yehonal
2017-10-12 20:00:52 +02:00
parent 4df28fd29c
commit f06f32849f
2508 changed files with 0 additions and 1325 deletions
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109
src/tools/mesh_extractor/LiquidHandler.cpp Normal file
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/*
* Copyright (C)
*
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#include "LiquidHandler.h"
#include "Utils.h"
LiquidHandler::LiquidHandler( ADT* adt ) : Source(adt)
{
HandleNewLiquid();
}
void LiquidHandler::HandleNewLiquid()
{
Chunk* chunk = Source->Data->GetChunkByName("MH2O");
if (!chunk)
return;
Vertices.reserve(1000);
Triangles.reserve(1000);
FILE* stream = chunk->GetStream();
H2OHeader header[256];
MCNKData.reserve(256);
for (int i = 0; i < 256; i++)
header[i] = H2OHeader::Read(stream);
for (int i = 0; i < 256; i++)
{
H2OHeader h = header[i];
if (h.LayerCount == 0)
{
// Need to fill in missing data with dummies.
MCNKData.push_back(MCNKLiquidData(NULL, H2ORenderMask()));
continue;
}
fseek(stream, chunk->Offset + h.OffsetInformation, SEEK_SET);
H2OInformation information = H2OInformation::Read(stream);
float** heights = new float*[9];
for (int j = 0; j < 9; ++j)
{
heights[j] = new float[9];
memset(heights[j], 0, sizeof(float) * 9);
}
H2ORenderMask renderMask;
if (information.LiquidType != 2)
{
fseek(stream, chunk->Offset + h.OffsetRender, SEEK_SET);
renderMask = H2ORenderMask::Read(stream);
if ((Utils::IsAllZero(renderMask.Mask, 8) || (information.Width == 8 && information.Height == 8)) && information.OffsetMask2)
{
fseek(stream, chunk->Offset + information.OffsetMask2, SEEK_SET);
uint32 size = ceil(information.Width * information.Height / 8.0f);
uint8* altMask = new uint8[size];
if (fread(altMask, sizeof(uint8), size, stream) == size)
for (uint32 mi = 0; mi < size; mi++)
renderMask.Mask[mi + information.OffsetY] |= altMask[mi];
delete[] altMask;
}
fseek(stream, chunk->Offset + information.OffsetHeightmap, SEEK_SET);
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
if (fread(&heights[x][y], sizeof(float), 1, stream) != 1)
return;
}
else
{
// Fill with ocean data
for (uint32 i = 0; i < 8; ++i)
renderMask.Mask[i] = 0xFF;
for (uint32 y = 0; y < 9; ++y)
for (uint32 x = 0; x < 9; ++x)
heights[x][y] = information.HeightLevel1;
}
MCNKData.push_back(MCNKLiquidData(heights, renderMask));
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
{
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
{
if (!renderMask.ShouldRender(x, y))
continue;
MapChunk* mapChunk = Source->MapChunks[i];
Vector3 location = mapChunk->Header.Position;
location.y = location.y - (x * Constants::UnitSize);
location.x = location.x - (y * Constants::UnitSize);
location.z = heights[x][y];
uint32 vertOffset = Vertices.size();
Vertices.push_back(location);
Vertices.push_back(Vector3(location.x - Constants::UnitSize, location.y, location.z));
Vertices.push_back(Vector3(location.x, location.y - Constants::UnitSize, location.z));
Vertices.push_back(Vector3(location.x - Constants::UnitSize, location.y - Constants::UnitSize, location.z));
Triangles.push_back(Triangle<uint32>(Constants::TRIANGLE_TYPE_WATER, vertOffset, vertOffset+2, vertOffset + 1));
Triangles.push_back(Triangle<uint32>(Constants::TRIANGLE_TYPE_WATER, vertOffset + 2, vertOffset + 3, vertOffset + 1));
}
}
}
}