def __init__(self, path):
RenderNode.__init__(self, path, NodePath(path + "_terrainNode"))
# Add a task to keep updating the terrain
taskMgr.add(self.updateTask, "update")
def __init__(self,path,tileSource,minScale,focus):
RenderNode.__init__(self,path,NodePath(path+"_terrainNode"))
heightMapName=self.specialMaps['height']
self.heightMapRez=0
for s in tileSource.shaders:
if s.name==heightMapName:
self.heightMapRez=s.getRez(tileMapSize)
break
if self.heightMapRez==0: print 'Failed to determain height map resolution'
self.setShaderInput("heightMapRez",self.heightMapRez,0,0,0)
self.focus=focus
self.minScale=minScale
self.tileSource=tileSource
self.heightStage=TextureStage("height")
rezFactor=50
n=rezFactor*4-1
if n+4>=self.heightMapRez:
print 'Error: Can not have geoClipMap rez higher than height map rez'
self.rez=n
m=(n+1)/4
self.baseTileScale=minScale/n*self.heightMapRez
scale=minScale/(n-1)
self.terrainNode.setScale(scale,scale,scale)
self.shaderHeightScale=self.heightScale/scale
self.terrainNode.setShaderInput("heightScale",self.shaderHeightScale,0,0)
self.terrainNode.setShader(loader.loadShader("geoClip.sha"))
def makeGrid(xSize,ySize):
""" Size is in verts, not squares """
format=GeomVertexFormat.getV3()
vdata=GeomVertexData('grid', format, Geom.UHStatic)
vertex=GeomVertexWriter(vdata, 'vertex')
grid=Geom(vdata)
#snode=GeomNode('grid')
for x in xrange(xSize):
for y in xrange(ySize):
vertex.addData3f(x,y,0)
tri=GeomTristrips(Geom.UHStatic)
def index(lx,ly):
return ly+lx*(ySize)
for x in xrange(xSize-1):
for y in xrange(ySize):
tri.addVertex(index(x,y))
tri.addVertex(index(x+1,y))
tri.closePrimitive()
grid.addPrimitive(tri)
grid.setBoundsType(BoundingVolume.BTBox)
grid.setBounds(BoundingBox(Point3(0,0,0),Point3(xSize-1,ySize-1,self.shaderHeightScale)))
#snode.addGeom(grid)
#snode.setBoundsType(BoundingVolume.BTBox)
#snode.setBounds(BoundingBox(Point3(0,0,0),Point3(xSize-1,ySize-1,self.shaderHeightScale)))
#snode.setFinal(True)
return grid
nxn=makeGrid(n,n)
mxm=makeGrid(m,m)
mx3=makeGrid(m,3)
x3xm=makeGrid(3,m)
m2x2=makeGrid(2*m+1,2)
cNode=GeomNode('center')
cGeom=nxn.makeCopy()
cGeom.transformVertices(Mat4.translateMat(-n/2,-n/2,0))
cNode.addGeom(cGeom)
cGeom.setBoundsType(BoundingVolume.BTBox)
cGeom.setBounds(BoundingBox(Point3(-n/2,-n/2,0),Point3(n/2-1,n/2-1,self.shaderHeightScale)))
cNode.setBoundsType(BoundingVolume.BTBox)
center=_GeoClipLevel(0,self,cNode)
#NodePath(nxn).instanceTo(center).setPos(-n/2,-n/2,0)
center.reparentTo(self.terrainNode)
halfOffset=n/2
#ring=NodePath("Ring")
ring=GeomNode('ring')
def doCorner(x,y):
xd=x*n/2-(x+1)*m/2
yd=y*n/2-(y+1)*m/2
def doGeom(g,x,y):
cGeom=(g).makeCopy()
cGeom.transformVertices(Mat4.translateMat(x,y,0))
cGeom.setBoundsType(BoundingVolume.BTBox)
b=g.getBounds()
p=b.getPoint(7)
cGeom.setBounds(BoundingBox(Point3(x,y,0),Point3(p.getX()+x,p.getY()+y,self.shaderHeightScale)))
ring.addGeom(cGeom)
doGeom(mxm,xd,yd)
doGeom(mxm,xd,yd-y*(m-1))
doGeom(mxm,xd-x*(m-1),yd)
#NodePath(mxm).copyTo(ring).setPos(xd,yd,0)
#NodePath(mxm).copyTo(ring).setPos(xd,yd-y*(m-1),0)
#NodePath(mxm).copyTo(ring).setPos(xd-x*(m-1),yd,0)
if x==-1:
if y==1:
doGeom(mx3,xd,yd-y*(m+1))
#NodePath(mx3).copyTo(ring).setPos(xd,yd-y*(m+1),0)
else:
xd2=n/2-m
doGeom(mx3,xd2,yd+2*m-2)
#NodePath(mx3).copyTo(ring).setPos(xd2,yd+2*m-2,0)
else:
doGeom(x3xm,xd-x*(m+1),yd)
#NodePath(x3xm).copyTo(ring).setPos(xd-x*(m+1),yd,0)
doCorner(-1,-1)
doCorner(1,-1)
doCorner(-1,1)
doCorner(1,1)
ring.setBoundsType(BoundingVolume.BTBox)
ringCount=4
self.levels=[center]
for i in xrange(ringCount):
cNode=GeomNode('ring'+str(i))
cNode.addGeomsFrom(ring)
'''for c in ring.getChildren():
x=c.copyTo(r)
#v1=Point3()
#v2=Point3()
#x.calcTightBounds(v1,v2)
#v2.setZ(1)
node=x.node()
node.setBoundsType(BoundingVolume.BTBox)
node.setBounds(c.node().getBounds())#(BoundingBox(v1,v2))
node.setFinal(1)
x.showBounds()'''
#r.showBounds()
r=_GeoClipLevel(i+1,self,cNode)
r.reparentTo(self.terrainNode)
r.node().setBoundsType(BoundingVolume.BTBox)
#r.showBounds()
self.levels.append(r)
self.terrainNode.setShaderInput("n",n,0,0,0)
# Add a task to keep updating the terrain
taskMgr.add(self.update, "update")
self.grass=self.setUpGrass(center,n)
grassTex = loadTex("grassSheet",True)
self.grass.setShaderInput("grassSheet",grassTex)
grassTex.setWrapU(Texture.WMClamp)
grassTex.setWrapV(Texture.WMClamp)
self.terrainNode.setShaderInput("offset",0,0,0,0)
#for r in self.levels:
# for node in r.getChildren():
# node.setShaderInput("offset",node.getX()+halfOffset,node.getY()+halfOffset,0,0)
self.centerTile=None
def __init__(self, path, tileSource, minScale, focus):
RenderNode.__init__(self, path, NodePath(path + "_terrainNode"))
heightMapName = self.specialMaps['height']
self.heightMapRez = 0
for s in tileSource.shaders:
if s.name == heightMapName:
self.heightMapRez = s.getRez(tileMapSize)
break
if self.heightMapRez == 0:
print 'Failed to determain height map resolution'
self.setShaderInput("heightMapRez", self.heightMapRez, 0, 0, 0)
self.focus = focus
self.minScale = minScale
self.tileSource = tileSource
self.heightStage = TextureStage("height")
rezFactor = 50
n = rezFactor * 4 - 1
if n + 4 >= self.heightMapRez:
print 'Error: Can not have geoClipMap rez higher than height map rez'
self.rez = n
m = (n + 1) / 4
self.baseTileScale = minScale / n * self.heightMapRez
scale = minScale / (n - 1)
self.terrainNode.setScale(scale, scale, scale)
self.shaderHeightScale = self.heightScale / scale
self.terrainNode.setShaderInput("heightScale", self.shaderHeightScale,
0, 0)
self.terrainNode.setShader(loader.loadShader("geoClip.sha"))
def makeGrid(xSize, ySize):
""" Size is in verts, not squares """
format = GeomVertexFormat.getV3()
vdata = GeomVertexData('grid', format, Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
grid = Geom(vdata)
#snode=GeomNode('grid')
for x in xrange(xSize):
for y in xrange(ySize):
vertex.addData3f(x, y, 0)
tri = GeomTristrips(Geom.UHStatic)
def index(lx, ly):
return ly + lx * (ySize)
for x in xrange(xSize - 1):
for y in xrange(ySize):
tri.addVertex(index(x, y))
tri.addVertex(index(x + 1, y))
tri.closePrimitive()
grid.addPrimitive(tri)
grid.setBoundsType(BoundingVolume.BTBox)
grid.setBounds(
BoundingBox(
Point3(0, 0, 0),
Point3(xSize - 1, ySize - 1, self.shaderHeightScale)))
#snode.addGeom(grid)
#snode.setBoundsType(BoundingVolume.BTBox)
#snode.setBounds(BoundingBox(Point3(0,0,0),Point3(xSize-1,ySize-1,self.shaderHeightScale)))
#snode.setFinal(True)
return grid
nxn = makeGrid(n, n)
mxm = makeGrid(m, m)
mx3 = makeGrid(m, 3)
x3xm = makeGrid(3, m)
m2x2 = makeGrid(2 * m + 1, 2)
cNode = GeomNode('center')
cGeom = nxn.makeCopy()
cGeom.transformVertices(Mat4.translateMat(-n / 2, -n / 2, 0))
cNode.addGeom(cGeom)
cGeom.setBoundsType(BoundingVolume.BTBox)
cGeom.setBounds(
BoundingBox(Point3(-n / 2, -n / 2, 0),
Point3(n / 2 - 1, n / 2 - 1, self.shaderHeightScale)))
cNode.setBoundsType(BoundingVolume.BTBox)
center = _GeoClipLevel(0, self, cNode)
#NodePath(nxn).instanceTo(center).setPos(-n/2,-n/2,0)
center.reparentTo(self.terrainNode)
halfOffset = n / 2
#ring=NodePath("Ring")
ring = GeomNode('ring')
def doCorner(x, y):
xd = x * n / 2 - (x + 1) * m / 2
yd = y * n / 2 - (y + 1) * m / 2
def doGeom(g, x, y):
cGeom = (g).makeCopy()
cGeom.transformVertices(Mat4.translateMat(x, y, 0))
cGeom.setBoundsType(BoundingVolume.BTBox)
b = g.getBounds()
p = b.getPoint(7)
cGeom.setBounds(
BoundingBox(
Point3(x, y, 0),
Point3(p.getX() + x,
p.getY() + y, self.shaderHeightScale)))
ring.addGeom(cGeom)
doGeom(mxm, xd, yd)
doGeom(mxm, xd, yd - y * (m - 1))
doGeom(mxm, xd - x * (m - 1), yd)
#NodePath(mxm).copyTo(ring).setPos(xd,yd,0)
#NodePath(mxm).copyTo(ring).setPos(xd,yd-y*(m-1),0)
#NodePath(mxm).copyTo(ring).setPos(xd-x*(m-1),yd,0)
if x == -1:
if y == 1:
doGeom(mx3, xd, yd - y * (m + 1))
#NodePath(mx3).copyTo(ring).setPos(xd,yd-y*(m+1),0)
else:
xd2 = n / 2 - m
doGeom(mx3, xd2, yd + 2 * m - 2)
#NodePath(mx3).copyTo(ring).setPos(xd2,yd+2*m-2,0)
else:
doGeom(x3xm, xd - x * (m + 1), yd)
#NodePath(x3xm).copyTo(ring).setPos(xd-x*(m+1),yd,0)
doCorner(-1, -1)
doCorner(1, -1)
doCorner(-1, 1)
doCorner(1, 1)
ring.setBoundsType(BoundingVolume.BTBox)
ringCount = 4
self.levels = [center]
for i in xrange(ringCount):
cNode = GeomNode('ring' + str(i))
cNode.addGeomsFrom(ring)
'''for c in ring.getChildren():
x=c.copyTo(r)
#v1=Point3()
#v2=Point3()
#x.calcTightBounds(v1,v2)
#v2.setZ(1)
node=x.node()
node.setBoundsType(BoundingVolume.BTBox)
node.setBounds(c.node().getBounds())#(BoundingBox(v1,v2))
node.setFinal(1)
x.showBounds()'''
#r.showBounds()
r = _GeoClipLevel(i + 1, self, cNode)
r.reparentTo(self.terrainNode)
r.node().setBoundsType(BoundingVolume.BTBox)
#r.showBounds()
self.levels.append(r)
self.terrainNode.setShaderInput("n", n, 0, 0, 0)
# Add a task to keep updating the terrain
taskMgr.add(self.update, "update")
self.grass = self.setUpGrass(center, n)
grassTex = loadTex("grassSheet", True)
self.grass.setShaderInput("grassSheet", grassTex)
grassTex.setWrapU(Texture.WMClamp)
grassTex.setWrapV(Texture.WMClamp)
self.terrainNode.setShaderInput("offset", 0, 0, 0, 0)
#for r in self.levels:
# for node in r.getChildren():
# node.setShaderInput("offset",node.getX()+halfOffset,node.getY()+halfOffset,0,0)
self.centerTile = None
def __init__(self,path):
RenderNode.__init__(self,path,NodePath(path+"_terrainNode"))
# Add a task to keep updating the terrain
taskMgr.add(self.updateTask, "update")