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Merge pull request #433 from eightyeight/recast-pull-navigation

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Recast part 3: wrapper classes
This commit is contained in:
SilentMike 2013-07-22 11:33:47 -07:00
parent e507086961 df2abed2c4
commit afc40ae714
16 changed files with 2806 additions and 0 deletions
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244
Engine/source/navigation/duDebugDrawTorque.cpp Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "torqueRecast.h"
#include "duDebugDrawTorque.h"
#include "gfx/gfxDevice.h"
#include "gfx/primBuilder.h"
#include "gfx/gfxStateBlock.h"
/// @class duDebugDrawTorque
/// This class uses the primitive builder (gfx/primBuild.h) to render navmeshes
/// and other Recast data. To facilitate the primbuilder's requirement to know
/// the number of vertices to render beforehand, this class stores all vertices
/// in a buffer of its own, then passes on that known-size buffer.
/// This means that you only need to call the duDebugDraw functions when your
/// data changes. At other times, you can cache the duDebugDrawTorque object
/// and call its render() method, which actually renders its buffered data.
duDebugDrawTorque::duDebugDrawTorque()
{
mOverrideColor = 0;
mOverride = false;
mGroup = 0;
}
duDebugDrawTorque::~duDebugDrawTorque()
{
clear();
}
void duDebugDrawTorque::depthMask(bool state)
{
mDesc.setZReadWrite(state, state);
}
void duDebugDrawTorque::texture(bool state)
{
}
/// Begin drawing primitives.
/// @param prim [in] primitive type to draw, one of rcDebugDrawPrimitives.
/// @param size [in] size of a primitive, applies to point size and line width only.
void duDebugDrawTorque::begin(duDebugDrawPrimitives prim, float size)
{
mCurrColor = -1;
mQuadsMode = false;
mVertCount = 0;
mPrimType = 0;
switch(prim)
{
case DU_DRAW_POINTS: mPrimType = GFXPointList; break;
case DU_DRAW_LINES: mPrimType = GFXLineList; break;
case DU_DRAW_TRIS: mPrimType = GFXTriangleList; break;
case DU_DRAW_QUADS: mPrimType = GFXTriangleList;
mQuadsMode = true; break;
}
mBuffers.push_back(Buffer(mPrimType));
mBuffers.last().group = mGroup;
mDesc.setCullMode(GFXCullNone);
mDesc.setBlend(true);
}
void duDebugDrawTorque::beginGroup(U32 group)
{
mGroup = group;
}
/// Submit a vertex
/// @param pos [in] position of the verts.
/// @param color [in] color of the verts.
void duDebugDrawTorque::vertex(const float* pos, unsigned int color)
{
vertex(pos[0], pos[1], pos[2], color);
}
/// Submit a vertex
/// @param x,y,z [in] position of the verts.
/// @param color [in] color of the verts.
void duDebugDrawTorque::vertex(const float x, const float y, const float z, unsigned int color)
{
if(mQuadsMode)
{
if(mVertCount == 3)
{
_vertex(x, -z, y, color);
_vertex(mStore[0][0], mStore[0][1], mStore[0][2], color);
_vertex(mStore[1][0], mStore[1][1], mStore[1][2], color);
_vertex(mStore[1][0], mStore[1][1], mStore[1][2], color);
_vertex(mStore[2][0], mStore[2][1], mStore[2][2], color);
_vertex(x, -z, y, color);
mVertCount = 0;
}
else
{
mStore[mVertCount][0] = x;
mStore[mVertCount][1] = -z;
mStore[mVertCount][2] = y;
mVertCount++;
}
}
else
{
_vertex(x, -z, y, color);
}
}
/// Submit a vertex
/// @param pos [in] position of the verts.
/// @param color [in] color of the verts.
void duDebugDrawTorque::vertex(const float* pos, unsigned int color, const float* uv)
{
vertex(pos[0], pos[1], pos[2], color);
}
/// Submit a vertex
/// @param x,y,z [in] position of the verts.
/// @param color [in] color of the verts.
void duDebugDrawTorque::vertex(const float x, const float y, const float z, unsigned int color, const float u, const float v)
{
vertex(x, y, z, color);
}
/// Push a vertex onto the buffer.
void duDebugDrawTorque::_vertex(const float x, const float y, const float z, unsigned int color)
{
// Use override color if we must.
//if(mOverride)
//color = mOverrideColor;
if(mCurrColor != color || !mBuffers.last().buffer.size())
{
U8 r, g, b, a;
// Convert color integer to components.
rcCol(color, r, g, b, a);
mBuffers.last().buffer.push_back(Instruction(r, g, b, a));
mCurrColor = color;
}
// Construct vertex data.
mBuffers.last().buffer.push_back(Instruction(x, y, z));
}
/// End drawing primitives.
void duDebugDrawTorque::end()
{
}
void duDebugDrawTorque::overrideColor(unsigned int col)
{
mOverride = true;
mOverrideColor = col;
}
void duDebugDrawTorque::cancelOverride()
{
mOverride = false;
}
void duDebugDrawTorque::renderBuffer(Buffer &b)
{
PrimBuild::begin(b.primType, b.buffer.size());
Vector<Instruction> &buf = b.buffer;
for(U32 i = 0; i < buf.size(); i++)
{
switch(buf[i].type)
{
case Instruction::POINT:
PrimBuild::vertex3f(buf[i].data.point.x,
buf[i].data.point.y,
buf[i].data.point.z);
break;
case Instruction::COLOR:
if(mOverride)
break;
PrimBuild::color4i(buf[i].data.color.r,
buf[i].data.color.g,
buf[i].data.color.b,
buf[i].data.color.a);
break;
}
}
PrimBuild::end();
}
void duDebugDrawTorque::render()
{
GFXStateBlockRef sb = GFX->createStateBlock(mDesc);
GFX->setStateBlock(sb);
// Use override color for all rendering.
if(mOverride)
{
U8 r, g, b, a;
rcCol(mOverrideColor, r, g, b, a);
PrimBuild::color4i(r, g, b, a);
}
for(U32 b = 0; b < mBuffers.size(); b++)
{
renderBuffer(mBuffers[b]);
}
}
void duDebugDrawTorque::renderGroup(U32 group)
{
GFXStateBlockRef sb = GFX->createStateBlock(mDesc);
GFX->setStateBlock(sb);
// Use override color for all rendering.
if(mOverride)
{
U8 r, g, b, a;
rcCol(mOverrideColor, r, g, b, a);
PrimBuild::color4i(r, g, b, a);
}
for(U32 b = 0; b < mBuffers.size(); b++)
{
if(mBuffers[b].group == group)
renderBuffer(mBuffers[b]);
}
}
void duDebugDrawTorque::clear()
{
for(U32 b = 0; b < mBuffers.size(); b++)
mBuffers[b].buffer.clear();
mBuffers.clear();
}

157
Engine/source/navigation/duDebugDrawTorque.h Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _DU_DEBUG_DRAW_TORQUE_H_
#define _DU_DEBUG_DRAW_TORQUE_H_
#include "core/util/tVector.h"
#include <DebugDraw.h>
#include "gfx/gfxStateBlock.h"
/// @brief Implements the duDebugDraw interface in Torque.
class duDebugDrawTorque: public duDebugDraw {
public:
duDebugDrawTorque();
~duDebugDrawTorque();
/// Enable/disable Z read.
void depthMask(bool state);
/// Enable/disable texturing. Not used.
void texture(bool state);
/// Special colour overwrite for when I get picky about the colours Mikko chose.
void overrideColor(unsigned int col);
/// Stop the colour override.
void cancelOverride();
/// Begin drawing primitives.
/// @param prim [in] primitive type to draw, one of rcDebugDrawPrimitives.
/// @param size [in] size of a primitive, applies to point size and line width only.
void begin(duDebugDrawPrimitives prim, float size = 1.0f);
/// All new buffers go into this group.
void beginGroup(U32 group);
/// Submit a vertex
/// @param pos [in] position of the verts.
/// @param color [in] color of the verts.
void vertex(const float* pos, unsigned int color);
/// Submit a vertex
/// @param x,y,z [in] position of the verts.
/// @param color [in] color of the verts.
void vertex(const float x, const float y, const float z, unsigned int color);
/// Submit a vertex
/// @param pos [in] position of the verts.
/// @param color [in] color of the verts.
void vertex(const float* pos, unsigned int color, const float* uv);
/// Submit a vertex
/// @param x,y,z [in] position of the verts.
/// @param color [in] color of the verts.
void vertex(const float x, const float y, const float z, unsigned int color, const float u, const float v);
/// End drawing primitives.
void end();
/// Render buffered primitive.
void render();
/// Render buffered primitives in a group.
void renderGroup(U32 group);
/// Delete buffered primitive.
void clear();
private:
GFXStateBlockDesc mDesc;
U32 mPrimType;
bool mQuadsMode;
U32 mVertCount;
F32 mStore[3][3];
U32 mGroup;
struct Instruction {
// Contain either a point or a color command.
union {
struct {
U8 r, g, b, a;
} color;
struct {
float x, y, z;
} point;
U32 primType;
} data;
// Which type of data do we store?
enum {
COLOR,
POINT,
PRIMTYPE,
} type;
// Construct as color instruction.
Instruction(U8 r, U8 g, U8 b, U8 a) {
type = COLOR;
data.color.r = r;
data.color.g = g;
data.color.b = b;
data.color.a = a;
}
// Construct as point.
Instruction(float x, float y, float z) {
type = POINT;
data.point.x = x;
data.point.y = y;
data.point.z = z;
}
Instruction(U32 t = 0) {
type = PRIMTYPE;
data.primType = t;
}
};
struct Buffer {
U32 group;
Vector<Instruction> buffer;
GFXPrimitiveType primType;
Buffer(U32 type = 0) {
primType = (GFXPrimitiveType)type;
group = 0;
}
};
Vector<Buffer> mBuffers;
U32 mCurrColor;
U32 mOverrideColor;
bool mOverride;
void _vertex(const float x, const float y, const float z, unsigned int color);
void renderBuffer(Buffer &b);
};
#endif

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Engine/source/navigation/navMesh.cpp Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include <stdio.h>
#include "navMesh.h"
#include <DetourDebugDraw.h>
#include <RecastDebugDraw.h>
#include "math/mathUtils.h"
#include "math/mRandom.h"
#include "console/consoleTypes.h"
#include "console/engineAPI.h"
#include "console/typeValidators.h"
#include "scene/sceneRenderState.h"
#include "gfx/gfxDrawUtil.h"
#include "renderInstance/renderPassManager.h"
#include "gfx/primBuilder.h"
#include "core/stream/bitStream.h"
#include "math/mathIO.h"
extern bool gEditingMission;
IMPLEMENT_CO_NETOBJECT_V1(NavMesh);
const U32 NavMesh::mMaxVertsPerPoly = 3;
NavMesh::NavMesh()
{
mTypeMask |= StaticShapeObjectType | MarkerObjectType;
mFileName = StringTable->insert("");
mNetFlags.clear(Ghostable);
nm = NULL;
dMemset(&cfg, 0, sizeof(cfg));
mCellSize = mCellHeight = 0.2f;
mWalkableHeight = 2.0f;
mWalkableClimb = 0.3f;
mWalkableRadius = 0.5f;
mWalkableSlope = 40.0f;
mBorderSize = 1;
mDetailSampleDist = 6.0f;
mDetailSampleMaxError = 1.0f;
mMaxEdgeLen = 12;
mMaxSimplificationError = 1.3f;
mMinRegionArea = 8;
mMergeRegionArea = 20;
mTileSize = 10.0f;
mMaxPolysPerTile = 128;
mAlwaysRender = false;
mBuilding = false;
}
NavMesh::~NavMesh()
{
dtFreeNavMesh(nm);
nm = NULL;
}
bool NavMesh::setProtectedDetailSampleDist(void *obj, const char *index, const char *data)
{
F32 dist = dAtof(data);
if(dist == 0.0f || dist >= 0.9f)
return true;
Con::errorf("NavMesh::detailSampleDist must be 0 or greater than 0.9!");
return false;
}
bool NavMesh::setProtectedAlwaysRender(void *obj, const char *index, const char *data)
{
NavMesh *mesh = static_cast<NavMesh*>(obj);
bool always = dAtob(data);
if(always)
{
if(!gEditingMission)
mesh->mNetFlags.set(Ghostable);
}
else
{
if(!gEditingMission)
mesh->mNetFlags.clear(Ghostable);
}
mesh->mAlwaysRender = always;
mesh->setMaskBits(LoadFlag);
return true;
}
FRangeValidator ValidCellSize(0.01f, 10.0f);
FRangeValidator ValidSlopeAngle(0.0f, 89.9f);
IRangeValidator PositiveInt(0, S32_MAX);
IRangeValidator NaturalNumber(1, S32_MAX);
FRangeValidator CornerAngle(0.0f, 90.0f);
void NavMesh::initPersistFields()
{
addGroup("NavMesh Options");
addField("fileName", TypeString, Offset(mFileName, NavMesh),
"Name of the data file to store this navmesh in (relative to engine executable).");
addFieldV("cellSize", TypeF32, Offset(mCellSize, NavMesh), &ValidCellSize,
"Length/width of a voxel.");
addFieldV("cellHeight", TypeF32, Offset(mCellHeight, NavMesh), &ValidCellSize,
"Height of a voxel.");
addFieldV("tileSize", TypeF32, Offset(mTileSize, NavMesh), &CommonValidators::PositiveNonZeroFloat,
"The horizontal size of tiles.");
addFieldV("actorHeight", TypeF32, Offset(mWalkableHeight, NavMesh), &CommonValidators::PositiveFloat,
"Height of an actor.");
addFieldV("actorClimb", TypeF32, Offset(mWalkableClimb, NavMesh), &CommonValidators::PositiveFloat,
"Maximum climbing height of an actor.");
addFieldV("actorRadius", TypeF32, Offset(mWalkableRadius, NavMesh), &CommonValidators::PositiveFloat,
"Radius of an actor.");
addFieldV("walkableSlope", TypeF32, Offset(mWalkableSlope, NavMesh), &ValidSlopeAngle,
"Maximum walkable slope in degrees.");
endGroup("NavMesh Options");
addGroup("NavMesh Rendering");
addProtectedField("alwaysRender", TypeBool, Offset(mAlwaysRender, NavMesh),
&setProtectedAlwaysRender, &defaultProtectedGetFn,
"Display this NavMesh even outside the editor.");
endGroup("NavMesh Rendering");
addGroup("NavMesh Advanced Options");
addFieldV("borderSize", TypeS32, Offset(mBorderSize, NavMesh), &PositiveInt,
"Size of the non-walkable border around the navigation mesh (in voxels).");
addProtectedField("detailSampleDist", TypeF32, Offset(mDetailSampleDist, NavMesh),
&setProtectedDetailSampleDist, &defaultProtectedGetFn,
"Sets the sampling distance to use when generating the detail mesh.");
addFieldV("detailSampleError", TypeF32, Offset(mDetailSampleMaxError, NavMesh), &CommonValidators::PositiveFloat,
"The maximum distance the detail mesh surface should deviate from heightfield data.");
addFieldV("maxEdgeLen", TypeS32, Offset(mDetailSampleDist, NavMesh), &PositiveInt,
"The maximum allowed length for contour edges along the border of the mesh.");
addFieldV("simplificationError", TypeF32, Offset(mMaxSimplificationError, NavMesh), &CommonValidators::PositiveFloat,
"The maximum distance a simplfied contour's border edges should deviate from the original raw contour.");
addFieldV("minRegionArea", TypeS32, Offset(mMinRegionArea, NavMesh), &PositiveInt,
"The minimum number of cells allowed to form isolated island areas.");
addFieldV("mergeRegionArea", TypeS32, Offset(mMergeRegionArea, NavMesh), &PositiveInt,
"Any regions with a span count smaller than this value will, if possible, be merged with larger regions.");
addFieldV("maxPolysPerTile", TypeS32, Offset(mMaxPolysPerTile, NavMesh), &NaturalNumber,
"The maximum number of polygons allowed in a tile.");
endGroup("NavMesh Advanced Options");
Parent::initPersistFields();
}
bool NavMesh::onAdd()
{
if(!Parent::onAdd())
return false;
mObjBox.set(Point3F(-10.0f, -10.0f, -1.0f),
Point3F( 10.0f, 10.0f, 1.0f));
resetWorldBox();
addToScene();
if(gEditingMission || mAlwaysRender)
{
mNetFlags.set(Ghostable);
if(isClientObject())
renderToDrawer();
}
if(isServerObject())
{
setProcessTick(true);
}
load();
return true;
}
void NavMesh::onRemove()
{
removeFromScene();
Parent::onRemove();
}
void NavMesh::setTransform(const MatrixF &mat)
{
Parent::setTransform(mat);
}
void NavMesh::setScale(const VectorF &scale)
{
Parent::setScale(scale);
}
bool NavMesh::build(bool background, bool saveIntermediates)
{
if(mBuilding)
cancelBuild();
mBuilding = true;
dtFreeNavMesh(nm);
// Allocate a new navmesh.
nm = dtAllocNavMesh();
if(!nm)
{
Con::errorf("Could not allocate dtNavMesh for NavMesh %s", getIdString());
return false;
}
updateConfig();
// Build navmesh parameters from console members.
dtNavMeshParams params;
rcVcopy(params.orig, cfg.bmin);
params.tileWidth = cfg.tileSize * mCellSize;
params.tileHeight = cfg.tileSize * mCellSize;
params.maxTiles = mCeil(getWorldBox().len_x() / params.tileWidth) * mCeil(getWorldBox().len_y() / params.tileHeight);
params.maxPolys = mMaxPolysPerTile;
// Initialise our navmesh.
if(dtStatusFailed(nm->init(&params)))
{
Con::errorf("Could not init dtNavMesh for NavMesh %s", getIdString());
return false;
}
updateTiles(true);
if(!background)
{
while(mDirtyTiles.size())
buildNextTile();
}
return true;
}
DefineEngineMethod(NavMesh, build, bool, (bool background, bool save), (true, false),
"@brief Create a Recast nav mesh.")
{
return object->build(background, save);
}
void NavMesh::cancelBuild()
{
while(mDirtyTiles.size()) mDirtyTiles.pop();
mBuilding = false;
}
DefineEngineMethod(NavMesh, cancelBuild, void, (),,
"@brief Cancel the current NavMesh build.")
{
object->cancelBuild();
}
void NavMesh::inspectPostApply()
{
if(mBuilding)
cancelBuild();
}
void NavMesh::updateConfig()
{
// Build rcConfig object from our console members.
dMemset(&cfg, 0, sizeof(cfg));
cfg.cs = mCellSize;
cfg.ch = mCellHeight;
Box3F box = DTStoRC(getWorldBox());
rcVcopy(cfg.bmin, box.minExtents);
rcVcopy(cfg.bmax, box.maxExtents);
rcCalcGridSize(cfg.bmin, cfg.bmax, cfg.cs, &cfg.width, &cfg.height);
cfg.walkableHeight = mCeil(mWalkableHeight / mCellHeight);
cfg.walkableClimb = mCeil(mWalkableClimb / mCellHeight);
cfg.walkableRadius = mCeil(mWalkableRadius / mCellSize);
cfg.walkableSlopeAngle = mWalkableSlope;
cfg.borderSize = cfg.walkableRadius + 3;
cfg.detailSampleDist = mDetailSampleDist;
cfg.detailSampleMaxError = mDetailSampleMaxError;
cfg.maxEdgeLen = mMaxEdgeLen;
cfg.maxSimplificationError = mMaxSimplificationError;
cfg.maxVertsPerPoly = mMaxVertsPerPoly;
cfg.minRegionArea = mMinRegionArea;
cfg.mergeRegionArea = mMergeRegionArea;
cfg.tileSize = mTileSize / cfg.cs;
}
S32 NavMesh::getTile(Point3F pos)
{
if(mBuilding)
return -1;
for(U32 i = 0; i < mTiles.size(); i++)
{
if(mTiles[i].box.isContained(pos))
return i;
}
return -1;
}
Box3F NavMesh::getTileBox(U32 id)
{
if(mBuilding || id >= mTiles.size())
return Box3F::Invalid;
return mTiles[id].box;
}
void NavMesh::updateTiles(bool dirty)
{
if(!isProperlyAdded())
return;
mTiles.clear();
while(mDirtyTiles.size()) mDirtyTiles.pop();
const Box3F &box = DTStoRC(getWorldBox());
if(box.isEmpty())
return;
updateConfig();
// Calculate tile dimensions.
const U32 ts = cfg.tileSize;
const U32 tw = (cfg.width + ts-1) / ts;
const U32 th = (cfg.height + ts-1) / ts;
const F32 tcs = cfg.tileSize * cfg.cs;
// Iterate over tiles.
F32 tileBmin[3], tileBmax[3];
for(U32 y = 0; y < th; ++y)
{
for(U32 x = 0; x < tw; ++x)
{
tileBmin[0] = cfg.bmin[0] + x*tcs;
tileBmin[1] = cfg.bmin[1];
tileBmin[2] = cfg.bmin[2] + y*tcs;
tileBmax[0] = cfg.bmin[0] + (x+1)*tcs;
tileBmax[1] = cfg.bmax[1];
tileBmax[2] = cfg.bmin[2] + (y+1)*tcs;
mTiles.push_back(
Tile(RCtoDTS(tileBmin, tileBmax),
x, y,
tileBmin, tileBmax));
if(dirty)
mDirtyTiles.push(mTiles.size() - 1);
}
}
}
void NavMesh::processTick(const Move *move)
{
buildNextTile();
}
void NavMesh::buildNextTile()
{
if(mDirtyTiles.size())
{
// Pop a single dirty tile and process it.
U32 i = mDirtyTiles.front();
mDirtyTiles.pop();
const Tile &tile = mTiles[i];
// Intermediate data for tile build.
TileData tempdata;
// Generate navmesh for this tile.
U32 dataSize = 0;
unsigned char* data = buildTileData(tile, tempdata, dataSize);
if(data)
{
// Remove any previous data.
nm->removeTile(nm->getTileRefAt(tile.x, tile.y, 0), 0, 0);
// Add new data (navmesh owns and deletes the data).
dtStatus status = nm->addTile(data, dataSize, DT_TILE_FREE_DATA, 0, 0);
int success = 1;
if(dtStatusFailed(status))
{
success = 0;
dtFree(data);
}
}
// Did we just build the last tile?
if(!mDirtyTiles.size())
{
mBuilding = false;
}
setMaskBits(BuildFlag);
}
}
static void buildCallback(SceneObject* object,void *key)
{
SceneContainer::CallbackInfo* info = reinterpret_cast<SceneContainer::CallbackInfo*>(key);
object->buildPolyList(info->context,info->polyList,info->boundingBox,info->boundingSphere);
}
unsigned char *NavMesh::buildTileData(const Tile &tile, TileData &data, U32 &dataSize)
{
// Push out tile boundaries a bit.
F32 tileBmin[3], tileBmax[3];
rcVcopy(tileBmin, tile.bmin);
rcVcopy(tileBmax, tile.bmax);
tileBmin[0] -= cfg.borderSize * cfg.cs;
tileBmin[2] -= cfg.borderSize * cfg.cs;
tileBmax[0] += cfg.borderSize * cfg.cs;
tileBmax[2] += cfg.borderSize * cfg.cs;
// Parse objects from level into RC-compatible format.
Box3F box = RCtoDTS(tileBmin, tileBmax);
SceneContainer::CallbackInfo info;
info.context = PLC_Navigation;
info.boundingBox = box;
info.polyList = &data.geom;
getContainer()->findObjects(box, StaticObjectType, buildCallback, &info);
// Check for no geometry.
if(!data.geom.getVertCount())
return false;
// Figure out voxel dimensions of this tile.
U32 width = 0, height = 0;
width = cfg.tileSize + cfg.borderSize * 2;
height = cfg.tileSize + cfg.borderSize * 2;
// Create a dummy context.
rcContext ctx(false);
// Create a heightfield to voxelise our input geometry.
data.hf = rcAllocHeightfield();
if(!data.hf)
{
Con::errorf("Out of memory (rcHeightField) for NavMesh %s", getIdString());
return NULL;
}
if(!rcCreateHeightfield(&ctx, *data.hf, width, height, tileBmin, tileBmax, cfg.cs, cfg.ch))
{
Con::errorf("Could not generate rcHeightField for NavMesh %s", getIdString());
return NULL;
}
unsigned char *areas = new unsigned char[data.geom.getTriCount()];
if(!areas)
{
Con::errorf("Out of memory (area flags) for NavMesh %s", getIdString());
return NULL;
}
dMemset(areas, 0, data.geom.getTriCount() * sizeof(unsigned char));
// Filter triangles by angle and rasterize.
rcMarkWalkableTriangles(&ctx, cfg.walkableSlopeAngle,
data.geom.getVerts(), data.geom.getVertCount(),
data.geom.getTris(), data.geom.getTriCount(), areas);
rcRasterizeTriangles(&ctx, data.geom.getVerts(), data.geom.getVertCount(),
data.geom.getTris(), areas, data.geom.getTriCount(),
*data.hf, cfg.walkableClimb);
delete[] areas;
// Filter out areas with low ceilings and other stuff.
rcFilterLowHangingWalkableObstacles(&ctx, cfg.walkableClimb, *data.hf);
rcFilterLedgeSpans(&ctx, cfg.walkableHeight, cfg.walkableClimb, *data.hf);
rcFilterWalkableLowHeightSpans(&ctx, cfg.walkableHeight, *data.hf);
data.chf = rcAllocCompactHeightfield();
if(!data.chf)
{
Con::errorf("Out of memory (rcCompactHeightField) for NavMesh %s", getIdString());
return NULL;
}
if(!rcBuildCompactHeightfield(&ctx, cfg.walkableHeight, cfg.walkableClimb, *data.hf, *data.chf))
{
Con::errorf("Could not generate rcCompactHeightField for NavMesh %s", getIdString());
return NULL;
}
if(!rcErodeWalkableArea(&ctx, cfg.walkableRadius, *data.chf))
{
Con::errorf("Could not erode walkable area for NavMesh %s", getIdString());
return NULL;
}
//--------------------------
// Todo: mark areas here.
//const ConvexVolume* vols = m_geom->getConvexVolumes();
//for (int i = 0; i < m_geom->getConvexVolumeCount(); ++i)
//rcMarkConvexPolyArea(m_NULL, vols[i].verts, vols[i].nverts, vols[i].hmin, vols[i].hmax, (unsigned char)vols[i].area, *m_chf);
//--------------------------
if(false)
{
if(!rcBuildRegionsMonotone(&ctx, *data.chf, cfg.borderSize, cfg.minRegionArea, cfg.mergeRegionArea))
{
Con::errorf("Could not build regions for NavMesh %s", getIdString());
return NULL;
}
}
else
{
if(!rcBuildDistanceField(&ctx, *data.chf))
{
Con::errorf("Could not build distance field for NavMesh %s", getIdString());
return NULL;
}
if(!rcBuildRegions(&ctx, *data.chf, cfg.borderSize, cfg.minRegionArea, cfg.mergeRegionArea))
{
Con::errorf("Could not build regions for NavMesh %s", getIdString());
return NULL;
}
}
data.cs = rcAllocContourSet();
if(!data.cs)
{
Con::errorf("Out of memory (rcContourSet) for NavMesh %s", getIdString());
return NULL;
}
if(!rcBuildContours(&ctx, *data.chf, cfg.maxSimplificationError, cfg.maxEdgeLen, *data.cs))
{
Con::errorf("Could not construct rcContourSet for NavMesh %s", getIdString());
return NULL;
}
if(data.cs->nconts <= 0)
{
Con::errorf("No contours in rcContourSet for NavMesh %s", getIdString());
return NULL;
}
data.pm = rcAllocPolyMesh();
if(!data.pm)
{
Con::errorf("Out of memory (rcPolyMesh) for NavMesh %s", getIdString());
return NULL;
}
if(!rcBuildPolyMesh(&ctx, *data.cs, cfg.maxVertsPerPoly, *data.pm))
{
Con::errorf("Could not construct rcPolyMesh for NavMesh %s", getIdString());
return NULL;
}
data.pmd = rcAllocPolyMeshDetail();
if(!data.pmd)
{
Con::errorf("Out of memory (rcPolyMeshDetail) for NavMesh %s", getIdString());
return NULL;
}
if(!rcBuildPolyMeshDetail(&ctx, *data.pm, *data.chf, cfg.detailSampleDist, cfg.detailSampleMaxError, *data.pmd))
{
Con::errorf("Could not construct rcPolyMeshDetail for NavMesh %s", getIdString());
return NULL;
}
if(data.pm->nverts >= 0xffff)
{
Con::errorf("Too many vertices in rcPolyMesh for NavMesh %s", getIdString());
return NULL;
}
for(U32 i = 0; i < data.pm->npolys; i++)
{
if(data.pm->areas[i] == RC_WALKABLE_AREA)
data.pm->areas[i] = GroundArea;
if(data.pm->areas[i] == GroundArea)
data.pm->flags[i] |= WalkFlag;
if(data.pm->areas[i] == WaterArea)
data.pm->flags[i] |= SwimFlag;
}
unsigned char* navData = 0;
int navDataSize = 0;
dtNavMeshCreateParams params;
dMemset(&params, 0, sizeof(params));
params.verts = data.pm->verts;
params.vertCount = data.pm->nverts;
params.polys = data.pm->polys;
params.polyAreas = data.pm->areas;
params.polyFlags = data.pm->flags;
params.polyCount = data.pm->npolys;
params.nvp = data.pm->nvp;
params.detailMeshes = data.pmd->meshes;
params.detailVerts = data.pmd->verts;
params.detailVertsCount = data.pmd->nverts;
params.detailTris = data.pmd->tris;
params.detailTriCount = data.pmd->ntris;
params.walkableHeight = mWalkableHeight;
params.walkableRadius = mWalkableRadius;
params.walkableClimb = mWalkableClimb;
params.tileX = tile.x;
params.tileY = tile.y;
params.tileLayer = 0;
rcVcopy(params.bmin, data.pm->bmin);
rcVcopy(params.bmax, data.pm->bmax);
params.cs = cfg.cs;
params.ch = cfg.ch;
params.buildBvTree = true;
if(!dtCreateNavMeshData(&params, &navData, &navDataSize))
{
Con::errorf("Could not create dtNavMeshData for tile (%d, %d) of NavMesh %s",
tile.x, tile.y, getIdString());
return NULL;
}
dataSize = navDataSize;
return navData;
}
/// This method should never be called in a separate thread to the rendering
/// or pathfinding logic. It directly replaces data in the dtNavMesh for
/// this NavMesh object.
void NavMesh::buildTiles(const Box3F &box)
{
// Make sure we've already built or loaded.
if(!nm)
return;
// Iterate over tiles.
for(U32 i = 0; i < mTiles.size(); i++)
{
const Tile &tile = mTiles[i];
// Check tile box.
if(!tile.box.isOverlapped(box))
continue;
// Mark as dirty.
mDirtyTiles.push(i);
}
}
DefineEngineMethod(NavMesh, buildTiles, void, (Box3F box),,
"@brief Rebuild the tiles overlapped by the input box.")
{
return object->buildTiles(box);
}
void NavMesh::buildTile(const U32 &tile)
{
if(tile < mTiles.size())
{
mDirtyTiles.push(tile);
}
}
void NavMesh::renderToDrawer()
{
dd.clear();
// Recast debug draw
NetObject *no = getServerObject();
if(no)
{
NavMesh *n = static_cast<NavMesh*>(no);
if(n->nm)
{
dd.beginGroup(0);
duDebugDrawNavMesh (&dd, *n->nm, 0);
dd.beginGroup(1);
duDebugDrawNavMeshPortals(&dd, *n->nm);
dd.beginGroup(2);
duDebugDrawNavMeshBVTree (&dd, *n->nm);
}
}
}
void NavMesh::prepRenderImage(SceneRenderState *state)
{
ObjectRenderInst *ri = state->getRenderPass()->allocInst<ObjectRenderInst>();
ri->renderDelegate.bind(this, &NavMesh::render);
ri->type = RenderPassManager::RIT_Object;
ri->translucentSort = true;
ri->defaultKey = 1;
state->getRenderPass()->addInst(ri);
}
void NavMesh::render(ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat)
{
if(overrideMat)
return;
if(state->isReflectPass())
return;
PROFILE_SCOPE(NavMesh_Render);
// Recast debug draw
NetObject *no = getServerObject();
if(no)
{
NavMesh *n = static_cast<NavMesh*>(no);
if(n->isSelected())
{
GFXDrawUtil *drawer = GFX->getDrawUtil();
GFXStateBlockDesc desc;
desc.setZReadWrite(true, false);
desc.setBlend(true);
desc.setCullMode(GFXCullNone);
drawer->drawCube(desc, getWorldBox(), n->mBuilding
? ColorI(255, 0, 0, 80)
: ColorI(136, 228, 255, 45));
desc.setFillModeWireframe();
drawer->drawCube(desc, getWorldBox(), ColorI::BLACK);
}
if(n->mBuilding)
{
int alpha = 80;
if(!n->isSelected() || !Con::getBoolVariable("$Nav::EditorOpen"))
alpha = 20;
dd.overrideColor(duRGBA(255, 0, 0, alpha));
}
else
{
dd.cancelOverride();
}
if((!gEditingMission && n->mAlwaysRender) || (gEditingMission && Con::getBoolVariable("$Nav::Editor::renderMesh", 1))) dd.renderGroup(0);
if(Con::getBoolVariable("$Nav::Editor::renderPortals")) dd.renderGroup(1);
if(Con::getBoolVariable("$Nav::Editor::renderBVTree")) dd.renderGroup(2);
}
}
void NavMesh::onEditorEnable()
{
mNetFlags.set(Ghostable);
if(isClientObject() && !mAlwaysRender)
addToScene();
}
void NavMesh::onEditorDisable()
{
if(!mAlwaysRender)
{
mNetFlags.clear(Ghostable);
if(isClientObject())
removeFromScene();
}
}
U32 NavMesh::packUpdate(NetConnection *conn, U32 mask, BitStream *stream)
{
U32 retMask = Parent::packUpdate(conn, mask, stream);
mathWrite(*stream, getTransform());
mathWrite(*stream, getScale());
stream->writeFlag(mAlwaysRender);
return retMask;
}
void NavMesh::unpackUpdate(NetConnection *conn, BitStream *stream)
{
Parent::unpackUpdate(conn, stream);
mathRead(*stream, &mObjToWorld);
mathRead(*stream, &mObjScale);
mAlwaysRender = stream->readFlag();
setTransform(mObjToWorld);
renderToDrawer();
}
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;
};
bool NavMesh::load()
{
if(!dStrlen(mFileName))
return false;
FILE* fp = fopen(mFileName, "rb");
if(!fp)
return false;
// 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;
}
if(nm)
dtFreeNavMesh(nm);
nm = dtAllocNavMesh();
if(!nm)
{
fclose(fp);
return false;
}
dtStatus status = nm->init(&header.params);
if(dtStatusFailed(status))
{
fclose(fp);
return false;
}
// Read tiles.
for(U32 i = 0; i < header.numTiles; ++i)
{
NavMeshTileHeader tileHeader;
fread(&tileHeader, sizeof(tileHeader), 1, fp);
if(!tileHeader.tileRef || !tileHeader.dataSize)
break;
unsigned char* data = (unsigned char*)dtAlloc(tileHeader.dataSize, DT_ALLOC_PERM);
if(!data) break;
memset(data, 0, tileHeader.dataSize);
fread(data, tileHeader.dataSize, 1, fp);
nm->addTile(data, tileHeader.dataSize, DT_TILE_FREE_DATA, tileHeader.tileRef, 0);
}
fclose(fp);
updateTiles();
if(isServerObject())
{
setMaskBits(LoadFlag);
}
return true;
}
DefineEngineMethod(NavMesh, load, bool, (),,
"@brief Load this NavMesh from its file.")
{
return object->load();
}
bool NavMesh::save()
{
if(!dStrlen(mFileName) || !nm)
return false;
// Save our navmesh into a file to load from next time
FILE* fp = fopen(mFileName, "wb");
if(!fp)
return false;
// Store header.
NavMeshSetHeader header;
header.magic = NAVMESHSET_MAGIC;
header.version = NAVMESHSET_VERSION;
header.numTiles = 0;
for(U32 i = 0; i < nm->getMaxTiles(); ++i)
{
const dtMeshTile* tile = ((const dtNavMesh*)nm)->getTile(i);
if (!tile || !tile->header || !tile->dataSize) continue;
header.numTiles++;
}
memcpy(&header.params, nm->getParams(), sizeof(dtNavMeshParams));
fwrite(&header, sizeof(NavMeshSetHeader), 1, fp);
// Store tiles.
for(U32 i = 0; i < nm->getMaxTiles(); ++i)
{
const dtMeshTile* tile = ((const dtNavMesh*)nm)->getTile(i);
if(!tile || !tile->header || !tile->dataSize) continue;
NavMeshTileHeader tileHeader;
tileHeader.tileRef = nm->getTileRef(tile);
tileHeader.dataSize = tile->dataSize;
fwrite(&tileHeader, sizeof(tileHeader), 1, fp);
fwrite(tile->data, tile->dataSize, 1, fp);
}
fclose(fp);
return true;
}
DefineEngineMethod(NavMesh, save, void, (),,
"@brief Save this NavMesh to its file.")
{
object->save();
}
void NavMesh::write(Stream &stream, U32 tabStop, U32 flags)
{
save();
Parent::write(stream, tabStop, flags);
}

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _NAVMESH_H_
#define _NAVMESH_H_
#include <queue>
#include "torqueRecast.h"
#include "scene/sceneObject.h"
#include "recastPolyList.h"
#include "duDebugDrawTorque.h"
#include <Recast.h>
#include <DetourNavMesh.h>
#include <DetourNavMeshBuilder.h>
#include <DebugDraw.h>
/// @class NavMesh
/// Represents a set of bounds within which a Recast navigation mesh is generated.
/// @see NavMeshPolyList
/// @see Trigger
class NavMesh : public SceneObject {
typedef SceneObject Parent;
friend class NavPath;
public:
/// @name NavMesh build
/// @{
/// Initiates the navmesh build process, which includes notifying the
/// clients and posting an event.
bool build(bool background = true, bool saveIntermediates = false);
/// Stop a build in progress.
void cancelBuild();
/// Save the navmesh to a file.
bool save();
/// Load a saved navmesh from a file.
bool load();
/// Instantly rebuild the tiles in the navmesh that overlap the box.
void buildTiles(const Box3F &box);
/// Instantly rebuild a specific tile.
void buildTile(const U32 &tile);
/// Data file to store this nav mesh in. (From engine executable dir.)
StringTableEntry mFileName;
/// Cell width and height.
F32 mCellSize, mCellHeight;
/// @name Actor data
/// @{
F32 mWalkableHeight,
mWalkableClimb,
mWalkableRadius,
mWalkableSlope;
/// @}
/// @name Generation data
/// @{
U32 mBorderSize;
F32 mDetailSampleDist, mDetailSampleMaxError;
U32 mMaxEdgeLen;
F32 mMaxSimplificationError;
static const U32 mMaxVertsPerPoly;
U32 mMinRegionArea;
U32 mMergeRegionArea;
F32 mTileSize;
U32 mMaxPolysPerTile;
/// @}
/// @}
/// Return the index of the tile included by this point.
S32 getTile(Point3F pos);
/// Return the box of a given tile.
Box3F getTileBox(U32 id);
/// @name SimObject
/// @{
virtual void onEditorEnable();
virtual void onEditorDisable();
void write(Stream &stream, U32 tabStop, U32 flags);
/// @}
/// @name SceneObject
/// @{
static void initPersistFields();
bool onAdd();
void onRemove();
enum flags {
BuildFlag = Parent::NextFreeMask << 0,
LoadFlag = Parent::NextFreeMask << 1,
NextFreeMask = Parent::NextFreeMask << 2,
};
U32 packUpdate(NetConnection *conn, U32 mask, BitStream *stream);
void unpackUpdate(NetConnection *conn, BitStream *stream);
void setTransform(const MatrixF &mat);
void setScale(const VectorF &scale);
/// @}
/// @name ProcessObject
/// @{
void processTick(const Move *move);
/// @}
/// @name Rendering
/// @{
void prepRenderImage(SceneRenderState *state);
void render(ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat);
bool mAlwaysRender;
/// @}
NavMesh();
~NavMesh();
DECLARE_CONOBJECT(NavMesh);
void inspectPostApply();
protected:
dtNavMesh const* getNavMesh() { return nm; }
private:
/// Generates a navigation mesh for the collection of objects in this
/// mesh. Returns true if successful. Stores the created mesh in tnm.
bool generateMesh();
/// Builds the next tile in the dirty list.
void buildNextTile();
/// @name Tiles
/// @{
struct Tile {
/// Torque-space world box of this tile.
Box3F box;
/// Local coordinates of this box.
U32 x, y;
/// Recast min and max points.
F32 bmin[3], bmax[3];
/// Default constructor.
Tile() : box(Box3F::Invalid), x(0), y(0)
{
bmin[0] = bmin[1] = bmin[2] = bmax[0] = bmax[1] = bmax[2] = 0.0f;
}
/// Value constructor.
Tile(const Box3F &b, U32 _x, U32 _y, const F32 *min, const F32 *max)
: box(b), x(_x), y(_y)
{
rcVcopy(bmin, min);
rcVcopy(bmax, max);
}
};
/// Intermediate data for tile creation.
struct TileData {
RecastPolyList geom;
rcHeightfield *hf;
rcCompactHeightfield *chf;
rcContourSet *cs;
rcPolyMesh *pm;
rcPolyMeshDetail *pmd;
TileData()
{
hf = NULL;
chf = NULL;
cs = NULL;
pm = NULL;
pmd = NULL;
}
void freeAll()
{
geom.clear();
rcFreeHeightField(hf);
rcFreeCompactHeightfield(chf);
rcFreeContourSet(cs);
rcFreePolyMesh(pm);
rcFreePolyMeshDetail(pmd);
}
~TileData()
{
freeAll();
}
};
/// List of tiles.
Vector<Tile> mTiles;
/// List of indices to the tile array which are dirty.
std::queue<U32> mDirtyTiles;
/// Update tile dimensions.
void updateTiles(bool dirty = false);
/// Generates navmesh data for a single tile.
unsigned char *buildTileData(const Tile &tile, TileData &data, U32 &dataSize);
/// @}
/// @name Intermediate data
/// @{
/// Config struct.
rcConfig cfg;
/// Updates our config from console members.
void updateConfig();
dtNavMesh *nm;
/// @}
/// Used to perform non-standard validation. detailSampleDist can be 0, or >= 0.9.
static bool setProtectedDetailSampleDist(void *obj, const char *index, const char *data);
/// Updates the client when we check the alwaysRender option.
static bool setProtectedAlwaysRender(void *obj, const char *index, const char *data);
/// @name Threaded updates
/// @{
/// A simple flag to say we are building.
bool mBuilding;
/// @}
/// @name Rendering
/// @{
duDebugDrawTorque dd;
void renderToDrawer();
/// @}
};
#endif

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "torqueRecast.h"
#include "navPath.h"
#include "console/consoleTypes.h"
#include "console/engineAPI.h"
#include "console/typeValidators.h"
#include "scene/sceneRenderState.h"
#include "gfx/gfxDrawUtil.h"
#include "renderInstance/renderPassManager.h"
#include "gfx/primBuilder.h"
#include "core/stream/bitStream.h"
#include "math/mathIO.h"
#include <DetourDebugDraw.h>
extern bool gEditingMission;
IMPLEMENT_CO_NETOBJECT_V1(NavPath);
NavPath::NavPath() :
mFrom(0.0f, 0.0f, 0.0f),
mTo(0.0f, 0.0f, 0.0f)
{
mTypeMask |= MarkerObjectType;
mMesh = NULL;
mWaypoints = NULL;
mFrom.set(0, 0, 0);
mFromSet = false;
mTo.set(0, 0, 0);
mToSet = false;
mLength = 0.0f;
mIsLooping = false;
mAlwaysRender = false;
mXray = false;
mQuery = dtAllocNavMeshQuery();
}
NavPath::~NavPath()
{
// Required for Detour.
dtFreeNavMeshQuery(mQuery);
mQuery = NULL;
}
bool NavPath::setProtectedMesh(void *obj, const char *index, const char *data)
{
NavMesh *mesh = NULL;
NavPath *object = static_cast<NavPath*>(obj);
if(Sim::findObject(data, mesh))
object->mMesh = mesh;
return false;
}
const char *NavPath::getProtectedMesh(void *obj, const char *data)
{
NavPath *object = static_cast<NavPath*>(obj);
if(object->mMesh.isNull())
return "";
if(object->mMesh->getName())
return object->mMesh->getName();
else
return object->mMesh->getIdString();
}
bool NavPath::setProtectedWaypoints(void *obj, const char *index, const char *data)
{
SimPath::Path *points = NULL;
NavPath *object = static_cast<NavPath*>(obj);
if(Sim::findObject(data, points))
{
object->mWaypoints = points;
object->mIsLooping = points->isLooping();
}
else
object->mWaypoints = NULL;
return false;
}
bool NavPath::setProtectedFrom(void *obj, const char *index, const char *data)
{
NavPath *object = static_cast<NavPath*>(obj);
if(dStrcmp(data, ""))
{
object->mFromSet = true;
return true;
}
else
{
object->mFromSet = false;
return false;
}
}
bool NavPath::setProtectedTo(void *obj, const char *index, const char *data)
{
NavPath *object = static_cast<NavPath*>(obj);
if(dStrcmp(data, ""))
{
object->mToSet = true;
return true;
}
else
{
object->mToSet = false;
return false;
}
}
const char *NavPath::getProtectedFrom(void *obj, const char *data)
{
NavPath *object = static_cast<NavPath*>(obj);
if(object->mFromSet)
return data;
else
return "";
}
const char *NavPath::getProtectedTo(void *obj, const char *data)
{
NavPath *object = static_cast<NavPath*>(obj);
if(object->mToSet)
return data;
else
return "";
}
static IRangeValidator NaturalNumber(1, S32_MAX);
void NavPath::initPersistFields()
{
addGroup("NavPath");
addProtectedField("from", TypePoint3F, Offset(mFrom, NavPath),
&setProtectedFrom, &getProtectedFrom,
"World location this path starts at.");
addProtectedField("to", TypePoint3F, Offset(mTo, NavPath),
&setProtectedTo, &getProtectedTo,
"World location this path should end at.");
addProtectedField("mesh", TYPEID<NavMesh>(), Offset(mMesh, NavPath),
&setProtectedMesh, &getProtectedMesh,
"NavMesh object this path travels within.");
addProtectedField("waypoints", TYPEID<SimPath::Path>(), Offset(mWaypoints, NavPath),
&setProtectedWaypoints, &defaultProtectedGetFn,
"Path containing waypoints for this NavPath to visit.");
addField("isLooping", TypeBool, Offset(mIsLooping, NavPath),
"Does this path loop?");
endGroup("NavPath");
addGroup("NavPath Render");
addField("alwaysRender", TypeBool, Offset(mAlwaysRender, NavPath),
"Render this NavPath even when not selected.");
addField("xray", TypeBool, Offset(mXray, NavPath),
"Render this NavPath through other objects.");
endGroup("NavPath Render");
Parent::initPersistFields();
}
bool NavPath::onAdd()
{
if(!Parent::onAdd())
return false;
// Ghost immediately if the editor's already open.
if(gEditingMission)
mNetFlags.set(Ghostable);
// Automatically find a path if we can.
if(isServerObject())
plan();
// Set initial world bounds and stuff.
resize();
// Finally, add us to the simulation.
addToScene();
return true;
}
void NavPath::onRemove()
{
Parent::onRemove();
// Remove from simulation.
removeFromScene();
}
bool NavPath::init()
{
// Check that enough data is provided.
if(mMesh.isNull() || !mMesh->getNavMesh())
return false;
if(!(mFromSet && mToSet) && !(!mWaypoints.isNull() && mWaypoints->size()))
return false;
// Initialise query in Detour.
if(dtStatusFailed(mQuery->init(mMesh->getNavMesh(), MaxPathLen)))
return false;
mPoints.clear();
mVisitPoints.clear();
mLength = 0.0f;
// Send path data to clients who are ghosting this object.
if(isServerObject())
setMaskBits(PathMask);
// Add points we need to visit in reverse order.
if(mWaypoints && mWaypoints->size())
{
// Add destination. For looping paths, that includes 'from'.
if(mIsLooping && mFromSet)
mVisitPoints.push_back(mFrom);
if(mToSet)
mVisitPoints.push_front(mTo);
// Add waypoints.
for(S32 i = mWaypoints->size() - 1; i >= 0; i--)
{
SceneObject *s = dynamic_cast<SceneObject*>(mWaypoints->at(i));
if(s)
{
mVisitPoints.push_back(s->getPosition());
// This is potentially slow, but safe.
if(!i && mIsLooping && !mFromSet)
mVisitPoints.push_front(s->getPosition());
}
}
// Add source (only ever specified by 'from').
if(mFromSet)
mVisitPoints.push_back(mFrom);
}
else
{
// Add (from,) to and from
if(mIsLooping)
mVisitPoints.push_back(mFrom);
mVisitPoints.push_back(mTo);
mVisitPoints.push_back(mFrom);
}
return true;
}
void NavPath::resize()
{
if(!mPoints.size())
{
mObjBox.set(Point3F(-0.5f, -0.5f, -0.5f),
Point3F( 0.5f, 0.5f, 0.5f));
resetWorldBox();
setTransform(MatrixF(true));
return;
}
// Grow a box to just fit over all our points.
Point3F max(mPoints[0]), min(mPoints[0]), pos(0.0f);
for(U32 i = 1; i < mPoints.size(); i++)
{
Point3F p = mPoints[i];
max.x = getMax(max.x, p.x);
max.y = getMax(max.y, p.y);
max.z = getMax(max.z, p.z);
min.x = getMin(min.x, p.x);
min.y = getMin(min.y, p.y);
min.z = getMin(min.z, p.z);
pos += p;
}
pos /= mPoints.size();
min -= Point3F(0.5f, 0.5f, 0.5f);
max += Point3F(0.5f, 0.5f, 0.5f);
mObjBox.set(min - pos, max - pos);
MatrixF mat = Parent::getTransform();
mat.setPosition(pos);
Parent::setTransform(mat);
}
bool NavPath::plan()
{
if(!init())
return false;
visitNext();
while(update());
if(!finalise())
return false;
resize();
return true;
}
bool NavPath::visitNext()
{
U32 s = mVisitPoints.size();
if(s < 2)
return false;
// Current leg of journey.
Point3F start = mVisitPoints[s-1];
Point3F end = mVisitPoints[s-2];
// Convert to Detour-friendly coordinates and data structures.
F32 from[] = {start.x, start.z, -start.y};
F32 to[] = {end.x, end.z, -end.y};
F32 extents[] = {1.0f, 1.0f, 1.0f};
dtPolyRef startRef, endRef;
if(dtStatusFailed(mQuery->findNearestPoly(from, extents, &mFilter, &startRef, start)))
{
Con::errorf("No NavMesh polygon near visit point (%g, %g, %g) of NavPath %s",
start.x, start.y, start.z, getIdString());
return false;
}
if(dtStatusFailed(mQuery->findNearestPoly(to, extents, &mFilter, &endRef, end)))
{
Con::errorf("No NavMesh polygon near visit point (%g, %g, %g) of NavPath %s",
end.x, end.y, end.z, getIdString());
return false;
}
// Init sliced pathfind.
mStatus = mQuery->initSlicedFindPath(startRef, endRef, from, to, &mFilter);
if(dtStatusFailed(mStatus))
return false;
return true;
}
bool NavPath::update()
{
// StatusInProgress means a query is underway.
if(dtStatusInProgress(mStatus))
mStatus = mQuery->updateSlicedFindPath(INT_MAX, NULL);
// StatusSucceeded means the query found its destination.
if(dtStatusSucceed(mStatus))
{
// Finalize the path. Need to use the static path length cap again.
dtPolyRef path[MaxPathLen];
S32 pathLen;
mStatus = mQuery->finalizeSlicedFindPath(path, &pathLen, MaxPathLen);
// Apparently stuff can go wrong during finalizing, so check the status again.
if(dtStatusSucceed(mStatus) && pathLen)
{
// These next few blocks are straight from Detour example code.
F32 straightPath[MaxPathLen * 3];
S32 straightPathLen;
dtPolyRef straightPathPolys[MaxPathLen];
U8 straightPathFlags[MaxPathLen];
U32 s = mVisitPoints.size();
Point3F start = mVisitPoints[s-1];
Point3F end = mVisitPoints[s-2];
F32 from[] = {start.x, start.z, -start.y};
F32 to[] = {end.x, end.z, -end.y};
// Straightens out the path.
mQuery->findStraightPath(from, to, path, pathLen,
straightPath, straightPathFlags,
straightPathPolys, &straightPathLen, MaxPathLen);
// Convert Detour point path to list of Torque points.
s = mPoints.size();
mPoints.increment(straightPathLen);
for(U32 i = 0; i < straightPathLen; i++)
{
F32 *f = straightPath + i * 3;
mPoints[s + i] = RCtoDTS(f);
// Accumulate length if we're not the first vertex.
if(s > 0 || i > 0)
mLength += (mPoints[s+i] - mPoints[s+i-1]).len();
}
if(isServerObject())
setMaskBits(PathMask);
}
else
return false;
// Check to see where we still need to visit.
if(mVisitPoints.size() > 1)
{
//Next leg of the journey.
mVisitPoints.pop_back();
return visitNext();
}
else
{
// Finished!
return false;
}
}
else if(dtStatusFailed(mStatus))
{
// Something went wrong in planning.
return false;
}
return true;
}
bool NavPath::finalise()
{
// Stop ticking.
setProcessTick(false);
// Reset world bounds and stuff.
resize();
return dtStatusSucceed(mStatus);
}
void NavPath::processTick(const Move *move)
{
if(dtStatusInProgress(mStatus))
update();
}
Point3F NavPath::getNode(S32 idx)
{
if(idx < getCount() && idx >= 0)
return mPoints[idx];
Con::errorf("Trying to access out-of-bounds path index %d (path length: %d)!", idx, getCount());
return Point3F(0,0,0);
}
S32 NavPath::getCount()
{
return mPoints.size();
}
void NavPath::onEditorEnable()
{
mNetFlags.set(Ghostable);
}
void NavPath::onEditorDisable()
{
mNetFlags.clear(Ghostable);
}
void NavPath::inspectPostApply()
{
plan();
}
void NavPath::onDeleteNotify(SimObject *obj)
{
if(obj == (SimObject*)mMesh)
{
mMesh = NULL;
plan();
}
}
void NavPath::prepRenderImage(SceneRenderState *state)
{
ObjectRenderInst *ri = state->getRenderPass()->allocInst<ObjectRenderInst>();
ri->renderDelegate.bind(this, &NavPath::renderSimple);
ri->type = RenderPassManager::RIT_Editor;
ri->translucentSort = true;
ri->defaultKey = 1;
state->getRenderPass()->addInst(ri);
}
void NavPath::renderSimple(ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat)
{
if(overrideMat)
return;
if(state->isReflectPass() || !(isSelected() || mAlwaysRender))
return;
GFXDrawUtil *drawer = GFX->getDrawUtil();
GFXStateBlockDesc desc;
desc.setZReadWrite(true, false);
desc.setBlend(true);
desc.setCullMode(GFXCullNone);
if(isSelected())
{
drawer->drawCube(desc, getWorldBox(), ColorI(136, 255, 228, 5));
desc.setFillModeWireframe();
drawer->drawCube(desc, getWorldBox(), ColorI::BLACK);
}
desc.setZReadWrite(!mXray, false);
ColorI pathColour(255, 0, 255);
if(!mIsLooping)
{
desc.setFillModeSolid();
if(mFromSet) drawer->drawCube(desc, Point3F(0.2f, 0.2f, 0.2f), mFrom, pathColour);
if(mToSet) drawer->drawCube(desc, Point3F(0.2f, 0.2f, 0.2f), mTo, pathColour);
}
GFXStateBlockRef sb = GFX->createStateBlock(desc);
GFX->setStateBlock(sb);
PrimBuild::color3i(pathColour.red, pathColour.green, pathColour.blue);
PrimBuild::begin(GFXLineStrip, mPoints.size());
for (U32 i = 0; i < mPoints.size(); i++)
PrimBuild::vertex3fv(mPoints[i]);
PrimBuild::end();
}
U32 NavPath::packUpdate(NetConnection *conn, U32 mask, BitStream *stream)
{
U32 retMask = Parent::packUpdate(conn, mask, stream);
stream->writeFlag(mIsLooping);
stream->writeFlag(mAlwaysRender);
stream->writeFlag(mXray);
if(stream->writeFlag(mFromSet))
mathWrite(*stream, mFrom);
if(stream->writeFlag(mToSet))
mathWrite(*stream, mTo);
if(stream->writeFlag(mask & PathMask))
{
stream->writeInt(mPoints.size(), 32);
for(U32 i = 0; i < mPoints.size(); i++)
mathWrite(*stream, mPoints[i]);
}
return retMask;
}
void NavPath::unpackUpdate(NetConnection *conn, BitStream *stream)
{
Parent::unpackUpdate(conn, stream);
mIsLooping = stream->readFlag();
mAlwaysRender = stream->readFlag();
mXray = stream->readFlag();
if((mFromSet = stream->readFlag()) == true)
mathRead(*stream, &mFrom);
if((mToSet = stream->readFlag()) == true)
mathRead(*stream, &mTo);
if(stream->readFlag())
{
mPoints.clear();
mPoints.setSize(stream->readInt(32));
for(U32 i = 0; i < mPoints.size(); i++)
{
Point3F p;
mathRead(*stream, &p);
mPoints[i] = p;
}
resize();
}
}
DefineEngineMethod(NavPath, replan, bool, (),,
"@brief Find a path using the already-specified path properties.")
{
return object->plan();
}
DefineEngineMethod(NavPath, getCount, S32, (),,
"@brief Return the number of nodes in this path.")
{
return object->getCount();
}
DefineEngineMethod(NavPath, getNode, Point3F, (S32 idx),,
"@brief Get a specified node along the path.")
{
return object->getNode(idx);
}
DefineEngineMethod(NavPath, getLength, F32, (),,
"@brief Get the length of this path in Torque units (i.e. the total distance it covers).")
{
return object->getLength();
}

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _NAVPATH_H_
#define _NAVPATH_H_
#include "scene/sceneObject.h"
#include "scene/simPath.h"
#include "navMesh.h"
#include <DetourNavMeshQuery.h>
class NavPath: public SceneObject {
typedef SceneObject Parent;
/// Maximum size of Detour path.
static const U32 MaxPathLen = 1024;
public:
/// @name NavPath
/// Functions for planning and accessing the path.
/// @{
SimObjectPtr<NavMesh> mMesh;
SimObjectPtr<SimPath::Path> mWaypoints;
/// Location to start at.
Point3F mFrom;
/// Has a starting location been set?
bool mFromSet;
/// Location to end at.
Point3F mTo;
/// Has an end been set?
bool mToSet;
/// This path should include a segment from the end to the start.
bool mIsLooping;
/// Render even when not selected in the editor.
bool mAlwaysRender;
/// Render on top of other objects.
bool mXray;
/// Plan the path.
bool plan();
/// Updated a sliced plan.
/// @return True if we need to keep updating, false if we can stop.
bool update();
/// Finalise a sliced plan.
/// @return True if the plan was successful overall.
bool finalise();
/// @}
/// @name Path interface
/// @{
/// Return world-space position of a path node.
/// @param[in] idx Node index to retrieve.
Point3F getNode(S32 idx);
/// Return the number of nodes in this path.
S32 getCount();
/// Return the length of this path.
F32 getLength() { return mLength; };
/// @}
/// @name SceneObject
/// @{
static void initPersistFields();
bool onAdd();
void onRemove();
void onEditorEnable();
void onEditorDisable();
void inspectPostApply();
void onDeleteNotify(SimObject *object);
U32 packUpdate(NetConnection *conn, U32 mask, BitStream *stream);
void unpackUpdate(NetConnection *conn, BitStream *stream);
void prepRenderImage(SceneRenderState *state);
void renderSimple(ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat);
DECLARE_CONOBJECT(NavPath);
/// @}
/// @name ProcessObject
/// @{
void processTick(const Move *move);
/// @}
NavPath();
~NavPath();
protected:
enum masks {
PathMask = Parent::NextFreeMask << 0,
NextFreeMask = Parent::NextFreeMask << 1
};
private:
/// Create appropriate data structures and stuff.
bool init();
/// 'Visit' the most recent two points on our visit list.
bool visitNext();
/// Detour path query.
dtNavMeshQuery *mQuery;
/// Current status of our Detour query.
dtStatus mStatus;
/// Filter that provides the movement costs for paths.
dtQueryFilter mFilter;
/// List of points the path should visit (waypoints, if you will).
Vector<Point3F> mVisitPoints;
/// List of points in the final path.
Vector<Point3F> mPoints;
/// Total length of path in world units.
F32 mLength;
/// Resets our world transform and bounds to fit our point list.
void resize();
/// @name Protected console getters/setters
/// @{
static bool setProtectedMesh(void *obj, const char *index, const char *data);
static const char *getProtectedMesh(void *obj, const char *data);
static bool setProtectedWaypoints(void *obj, const char *index, const char *data);
static bool setProtectedFrom(void *obj, const char *index, const char *data);
static const char *getProtectedFrom(void *obj, const char *data);
static bool setProtectedTo(void *obj, const char *index, const char *data);
static const char *getProtectedTo(void *obj, const char *data);
/// @}
};
#endif

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "recastPolyList.h"
#include "platform/platform.h"
#include "gfx/gfxDevice.h"
#include "gfx/primBuilder.h"
#include "gfx/gfxStateBlock.h"
RecastPolyList::RecastPolyList()
{
nverts = 0;
verts = NULL;
vertcap = 0;
ntris = 0;
tris = NULL;
tricap = 0;
}
RecastPolyList::~RecastPolyList()
{
clear();
}
void RecastPolyList::clear()
{
nverts = 0;
delete[] verts;
verts = NULL;
vertcap = 0;
ntris = 0;
delete[] tris;
tris = NULL;
tricap = 0;
}
bool RecastPolyList::isEmpty() const
{
return getTriCount() == 0;
}
U32 RecastPolyList::addPoint(const Point3F &p)
{
// If we've reached the vertex cap, double the array size.
if(nverts == vertcap)
{
// vertcap starts at 64, otherwise it doubles.
if(vertcap == 0) vertcap = 16;
else vertcap *= 2;
// Allocate new vertex storage.
F32 *newverts = new F32[vertcap*3];
if(!newverts)
return 0;
dMemcpy(newverts, verts, nverts*3 * sizeof(F32));
dFree(verts);
verts = newverts;
}
Point3F v = p;
mMatrix.mulP(v);
// Insert the new vertex.
verts[nverts*3] = v.x;
verts[nverts*3+1] = v.z;
verts[nverts*3+2] = -v.y;
// Return nverts before incrementing it.
return nverts++;
}
U32 RecastPolyList::addPlane(const PlaneF &plane)
{
planes.increment();
mPlaneTransformer.transform(plane, planes.last());
return planes.size() - 1;
}
void RecastPolyList::begin(BaseMatInstance *material, U32 surfaceKey)
{
vidx = 0;
// If we've reached the tri cap, grow the array.
if(ntris == tricap)
{
if(tricap == 0) tricap = 16;
else tricap *= 2;
// Allocate new vertex storage.
S32 *newtris = new S32[tricap*3];
if(!newtris)
return;
dMemcpy(newtris, tris, ntris*3 * sizeof(S32));
dFree(tris);
tris = newtris;
}
}
void RecastPolyList::plane(U32 v1, U32 v2, U32 v3)
{
}
void RecastPolyList::plane(const PlaneF& p)
{
}
void RecastPolyList::plane(const U32 index)
{
}
void RecastPolyList::vertex(U32 vi)
{
if(vidx == 3)
return;
tris[ntris*3+2-vidx] = vi;
vidx++;
}
void RecastPolyList::end()
{
ntris++;
}
U32 RecastPolyList::getVertCount() const
{
return nverts;
}
const F32 *RecastPolyList::getVerts() const
{
return verts;
}
U32 RecastPolyList::getTriCount() const
{
return ntris;
}
const S32 *RecastPolyList::getTris() const
{
return tris;
}
void RecastPolyList::renderWire() const
{
GFXStateBlockDesc desc;
desc.setCullMode(GFXCullNone);
desc.setZReadWrite(false, false);
//desc.setBlend(true);
GFXStateBlockRef sb = GFX->createStateBlock(desc);
GFX->setStateBlock(sb);
PrimBuild::color3i(255, 0, 255);
for(U32 t = 0; t < getTriCount(); t++)
{
PrimBuild::begin(GFXLineStrip, 4);
PrimBuild::vertex3f(verts[tris[t*3]*3], -verts[tris[t*3]*3+2], verts[tris[t*3]*3+1]);
PrimBuild::vertex3f(verts[tris[t*3+1]*3], -verts[tris[t*3+1]*3+2], verts[tris[t*3+1]*3+1]);
PrimBuild::vertex3f(verts[tris[t*3+2]*3], -verts[tris[t*3+2]*3+2], verts[tris[t*3+2]*3+1]);
PrimBuild::vertex3f(verts[tris[t*3]*3], -verts[tris[t*3]*3+2], verts[tris[t*3]*3+1]);
PrimBuild::end();
}
}

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _RECAST_POLYLIST_H_
#define _RECAST_POLYLIST_H_
#include "collision/abstractPolyList.h"
#include "core/util/tVector.h"
/// Represents polygons in the same manner as the .obj file format. Handy for
/// padding data to Recast, since it expects this data format. At the moment,
/// this class only accepts triangles.
/// @see AbstractPolyList
class RecastPolyList : public AbstractPolyList {
public:
/// @name AbstractPolyList
/// @{
bool isEmpty() const;
U32 addPoint(const Point3F &p);
U32 addPlane(const PlaneF &plane);
void begin(BaseMatInstance *material, U32 surfaceKey);
void plane(U32 v1, U32 v2, U32 v3);
void plane(const PlaneF& p);
void plane(const U32 index);
void vertex(U32 vi);
void end();
/// @}
/// @name Data interface
/// @{
U32 getVertCount() const;
const F32 *getVerts() const;
U32 getTriCount() const;
const S32 *getTris() const;
void clear();
/// @}
void renderWire() const;
/// Default constructor.
RecastPolyList();
/// Default destructor.
~RecastPolyList();
protected:
/// Number of vertices defined.
U32 nverts;
/// Array of vertex coordinates. Size nverts*3
F32 *verts;
/// Size of vertex array.
U32 vertcap;
/// Number of triangles defined.
U32 ntris;
/// Array of triangle vertex indices. Size ntris*3
S32 *tris;
/// Size of triangle array.
U32 tricap;
/// Index of vertex we're adding to the current triangle.
U8 vidx;
/// Store a list of planes - not actually used.
Vector<PlaneF> planes;
/// Another inherited utility function.
const PlaneF& getIndexedPlane(const U32 index) { return planes[index]; }
private:
};
#endif

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//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _TORQUE_RECAST_H_
#define _TORQUE_RECAST_H_
#include "console/simSet.h"
#include "math/mPoint3.h"
#include "math/mBox.h"
inline Point3F DTStoRC(F32 x, F32 y, F32 z) { return Point3F(x, z, -y); }
inline Point3F DTStoRC(Point3F point) { return Point3F(point.x, point.z, -point.y); }
inline Point3F RCtoDTS(const F32* xyz) { return Point3F(xyz[0], -xyz[2], xyz[1]); }
inline Point3F RCtoDTS(F32 x, F32 y, F32 z) { return Point3F(x, -z, y); }
inline Point3F RCtoDTS(Point3F point) { return Point3F(point.x, -point.z, point.y); }
inline Box3F DTStoRC(Box3F box)
{
return Box3F(box.minExtents.x, box.minExtents.z, -box.maxExtents.y,
box.maxExtents.x, box.maxExtents.z, -box.minExtents.y);
}
inline Box3F RCtoDTS(const F32 *min, const F32 *max)
{
return Box3F(min[0], -max[2], min[1], max[0], -min[2], max[1]);
}
/// Convert a Rcast colour integer to RGBA components.
inline void rcCol(unsigned int col, U8 &r, U8 &g, U8 &b, U8 &a)
{
r = col % 256; col /= 256;
g = col % 256; col /= 256;
b = col % 256; col /= 256;
a = col % 256;
}
enum PolyAreas {
GroundArea,
WaterArea,
OffMeshArea,
NumAreas
};
enum PolyFlags {
WalkFlag = 1 << 0,
SwimFlag = 1 << 1,
JumpFlag = 1 << 2,
LedgeFlag = 1 << 3,
DropFlag = 1 << 4,
ClimbFlag = 1 << 5,
TeleportFlag = 1 << 6,
AllFlags = 0xffff
};
#endif

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Templates/Empty/game/tools/worldEditor/scripts/editors/creator.ed.cs
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@ -82,6 +82,8 @@ function EWCreatorWindow::init( %this )
%this.registerMissionObject( "SpawnSphere", "Observer Spawn Sphere", "ObserverDropPoint" );
%this.registerMissionObject( "SFXSpace", "Sound Space" );
%this.registerMissionObject( "OcclusionVolume", "Occlusion Volume" );
%this.registerMissionObject("NavMesh", "Navigation mesh");
%this.registerMissionObject("NavPath", "Path");
%this.endGroup();

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@ -82,6 +82,8 @@ function EWCreatorWindow::init( %this )
%this.registerMissionObject( "SpawnSphere", "Observer Spawn Sphere", "ObserverDropPoint" );
%this.registerMissionObject( "SFXSpace", "Sound Space" );
%this.registerMissionObject( "OcclusionVolume", "Occlusion Volume" );
%this.registerMissionObject("NavMesh", "Navigation mesh");
%this.registerMissionObject("NavPath", "Path");
%this.endGroup();

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<?php
//-----------------------------------------------------------------------------
// Copyright (c) 2013 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
beginModule( 'navigation' );
addProjectDefine( 'TORQUE_NAVIGATION_ENABLED' );
addSrcDir(getEngineSrcDir() . 'navigation', true);
includeLib( 'librecast' );
addLibIncludePath( 'recast/DebugUtils/Include' );
addLibIncludePath( 'recast/Recast/Include' );
addLibIncludePath( 'recast/Detour/Include' );
addLibIncludePath( 'recast/DetourTileCache/Include' );
addLibIncludePath( 'recast/DetourCrowd/Include' );
if (inProjectConfig())
{
addProjectDependency( 'librecast' );
addSolutionProjectRef( 'librecast' );
}
endModule();
?>