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API CHANGE! Better serialization support.

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This commit is contained in:
Mikko Mononen
2010-03-25 12:24:40 +00:00
parent ca6bbf1889
commit 5119b5cb16
60 changed files with 5217 additions and 3805 deletions
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159
RecastDemo/Source/Sample_TileMesh.cpp
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@@ -1,5 +1,5 @@
//
// Copyright (c) 2009 Mikko Mononen memon@inside.org
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
@@ -201,6 +201,110 @@ void Sample_TileMesh::cleanup()
m_dmesh = 0;
}
static const int NAVMESHSET_MAGIC = 'M'<<24 | 'S'<<16 | 'E'<<8 | 'T'; //'MSET';
static const int NAVMESHSET_VERSION = 1;
struct NavMeshSetHeader
{
int magic;
int version;
int numTiles;
dtNavMeshParams params;
};
struct NavMeshTileHeader
{
dtTileRef tileRef;
int dataSize;
};
void Sample_TileMesh::saveAll(const char* path, const dtNavMesh* mesh)
{
if (!mesh) return;
FILE* fp = fopen(path, "wb");
if (!fp)
return;
// Store header.
NavMeshSetHeader header;
header.magic = NAVMESHSET_MAGIC;
header.version = NAVMESHSET_VERSION;
header.numTiles = 0;
for (int i = 0; i < mesh->getMaxTiles(); ++i)
{
const dtMeshTile* tile = mesh->getTile(i);
if (!tile || !tile->header || !tile->dataSize) continue;
header.numTiles++;
}
memcpy(&header.params, mesh->getParams(), sizeof(dtNavMeshParams));
fwrite(&header, sizeof(NavMeshSetHeader), 1, fp);
// Store tiles.
for (int i = 0; i < mesh->getMaxTiles(); ++i)
{
const dtMeshTile* tile = mesh->getTile(i);
if (!tile || !tile->header || !tile->dataSize) continue;
NavMeshTileHeader tileHeader;
tileHeader.tileRef = mesh->getTileRef(tile);
tileHeader.dataSize = tile->dataSize;
fwrite(&tileHeader, sizeof(tileHeader), 1, fp);
fwrite(tile->data, tile->dataSize, 1, fp);
}
fclose(fp);
}
dtNavMesh* Sample_TileMesh::loadAll(const char* path)
{
FILE* fp = fopen(path, "rb");
if (!fp) return 0;
// Read header.
NavMeshSetHeader header;
fread(&header, sizeof(NavMeshSetHeader), 1, fp);
if (header.magic != NAVMESHSET_MAGIC)
{
fclose(fp);
return 0;
}
if (header.version != NAVMESHSET_VERSION)
{
fclose(fp);
return 0;
}
dtNavMesh* mesh = new dtNavMesh;
if (!mesh || !mesh->init(&header.params))
{
fclose(fp);
return 0;
}
// Read tiles.
for (int i = 0; i < header.numTiles; ++i)
{
NavMeshTileHeader tileHeader;
fread(&tileHeader, sizeof(tileHeader), 1, fp);
if (!tileHeader.tileRef || !tileHeader.dataSize)
break;
unsigned char* data = new unsigned char[tileHeader.dataSize];
if (!data) break;
memset(data, 0, tileHeader.dataSize);
fread(data, tileHeader.dataSize, 1, fp);
mesh->addTile(data, tileHeader.dataSize, DT_TILE_FREE_DATA, tileHeader.tileRef);
}
fclose(fp);
return mesh;
}
void Sample_TileMesh::handleSettings()
{
Sample::handleCommonSettings();
@@ -244,6 +348,22 @@ void Sample_TileMesh::handleSettings()
m_maxTiles = 0;
m_maxPolysPerTile = 0;
}
imguiSeparator();
if (imguiButton("Save"))
{
saveAll("all_tiles_navmesh.bin", m_navMesh);
}
if (imguiButton("Load"))
{
delete m_navMesh;
m_navMesh = loadAll("all_tiles_navmesh.bin");
}
imguiSeparator();
}
void Sample_TileMesh::handleTools()
@@ -380,11 +500,15 @@ bool Sample_TileMesh::handleBuild()
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Could not allocate navmesh.");
return false;
}
const float* bmin = m_geom->getMeshBoundsMin();
const float tileWorldWidth = m_tileSize*m_cellSize;
const float tileWorldHeight = m_tileSize*m_cellSize;
if (!m_navMesh->init(bmin, tileWorldWidth, tileWorldHeight, m_maxTiles, m_maxPolysPerTile, 2048))
dtNavMeshParams params;
vcopy(params.orig, m_geom->getMeshBoundsMin());
params.tileWidth = m_tileSize*m_cellSize;
params.tileHeight = m_tileSize*m_cellSize;
params.maxTiles = m_maxTiles;
params.maxPolys = m_maxPolysPerTile;
params.maxNodes = 2048;
if (!m_navMesh->init(&params))
{
if (rcGetLog())
rcGetLog()->log(RC_LOG_ERROR, "buildTiledNavigation: Could not init navmesh.");
@@ -423,15 +547,15 @@ void Sample_TileMesh::buildTile(const float* pos)
m_tileCol = duRGBA(77,204,0,255);
int dataSize = 0;
unsigned char* data = buildTileMesh(m_tileBmin, m_tileBmax, dataSize);
unsigned char* data = buildTileMesh(tx, ty, m_tileBmin, m_tileBmax, dataSize);
if (data)
{
// Remove any previous data (navmesh owns and deletes the data).
m_navMesh->removeTileAt(tx,ty,0,0);
m_navMesh->removeTile(m_navMesh->getTileRefAt(tx,ty),0,0);
// Let the navmesh own the data.
if (!m_navMesh->addTileAt(tx,ty,data,dataSize,true))
if (!m_navMesh->addTile(data,dataSize,DT_TILE_FREE_DATA))
delete [] data;
}
}
@@ -458,10 +582,7 @@ void Sample_TileMesh::removeTile(const float* pos)
m_tileCol = duRGBA(204,25,0,255);
unsigned char* rdata = 0;
int rdataSize = 0;
if (m_navMesh->removeTileAt(tx,ty,&rdata,&rdataSize))
delete [] rdata;
m_navMesh->removeTile(m_navMesh->getTileRefAt(tx,ty),0,0);
}
void Sample_TileMesh::buildAllTiles()
@@ -488,13 +609,13 @@ void Sample_TileMesh::buildAllTiles()
m_tileBmax[2] = bmin[2] + (y+1)*tcs;
int dataSize = 0;
unsigned char* data = buildTileMesh(m_tileBmin, m_tileBmax, dataSize);
unsigned char* data = buildTileMesh(x, y, m_tileBmin, m_tileBmax, dataSize);
if (data)
{
// Remove any previous data (navmesh owns and deletes the data).
m_navMesh->removeTileAt(x,y,0,0);
m_navMesh->removeTile(m_navMesh->getTileRefAt(x,y),0,0);
// Let the navmesh own the data.
if (!m_navMesh->addTileAt(x,y,data,dataSize,true))
if (!m_navMesh->addTile(data,dataSize,true))
delete [] data;
}
}
@@ -513,10 +634,10 @@ void Sample_TileMesh::removeAllTiles()
for (int y = 0; y < th; ++y)
for (int x = 0; x < tw; ++x)
m_navMesh->removeTileAt(x,y,0,0);
m_navMesh->removeTile(m_navMesh->getTileRefAt(x,y),0,0);
}
unsigned char* Sample_TileMesh::buildTileMesh(const float* bmin, const float* bmax, int& dataSize)
unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const float* bmin, const float* bmax, int& dataSize)
{
if (!m_geom || !m_geom->getMesh() || !m_geom->getChunkyMesh())
{
@@ -818,6 +939,8 @@ unsigned char* Sample_TileMesh::buildTileMesh(const float* bmin, const float* bm
params.walkableHeight = m_agentHeight;
params.walkableRadius = m_agentRadius;
params.walkableClimb = m_agentMaxClimb;
params.tileX = tx;
params.tileY = ty;
vcopy(params.bmin, bmin);
vcopy(params.bmax, bmax);
params.cs = m_cfg.cs;