def drawBody(nodePath,
vdata,
pos,
vecList,
radius=1,
keepDrawing=True,
numVertices=8):
circleGeom = Geom(vdata)
vertWriter = GeomVertexWriter(vdata, "vertex")
colorWriter = GeomVertexWriter(vdata, "color")
normalWriter = GeomVertexWriter(vdata, "normal")
drawReWriter = GeomVertexRewriter(vdata, "drawFlag")
texReWriter = GeomVertexRewriter(vdata, "texcoord")
startRow = vdata.getNumRows()
vertWriter.setRow(startRow)
colorWriter.setRow(startRow)
normalWriter.setRow(startRow)
sCoord = 0
if (startRow != 0):
texReWriter.setRow(startRow - numVertices)
sCoord = texReWriter.getData2f().getX() + 1
drawReWriter.setRow(startRow - numVertices)
if (drawReWriter.getData1f() == False):
sCoord -= 1
drawReWriter.setRow(startRow)
texReWriter.setRow(startRow)
angleSlice = 2 * math.pi / numVertices
currAngle = 0
#axisAdj=LMatrix4.rotateMat(45, axis)*LMatrix4.scaleMat(radius)*LMatrix4.translateMat(pos)
perp1 = vecList[1]
perp2 = vecList[2]
# vertex information is written here
for i in range(numVertices):
adjCircle = pos + \
(perp1 * math.cos(currAngle) + perp2 * math.sin(currAngle)) * \
radius
normal = perp1 * math.cos(currAngle) + perp2 * math.sin(currAngle)
normalWriter.addData3f(normal)
vertWriter.addData3f(adjCircle)
texReWriter.addData2f(sCoord, (i + 0.001) / (numVertices - 1))
colorWriter.addData4f(0.5, 0.5, 0.5, 1)
drawReWriter.addData1f(keepDrawing)
currAngle += angleSlice
if startRow == 0:
return
drawReader = GeomVertexReader(vdata, "drawFlag")
drawReader.setRow(startRow - numVertices)
# we cant draw quads directly so we use Tristrips
if drawReader.getData1i() != 0:
lines = GeomTristrips(Geom.UHStatic)
half = int(numVertices * 0.5)
for i in range(numVertices):
lines.addVertex(i + startRow)
if i < half:
lines.addVertex(i + startRow - half)
else:
lines.addVertex(i + startRow - half - numVertices)
lines.addVertex(startRow)
lines.addVertex(startRow - half)
lines.closePrimitive()
lines.decompose()
circleGeom.addPrimitive(lines)
circleGeomNode = GeomNode("Debug")
circleGeomNode.addGeom(circleGeom)
# I accidentally made the front-face face inwards. Make reverse makes the tree render properly and
# should cause any surprises to any poor programmer that tries to use
# this code
circleGeomNode.setAttrib(CullFaceAttrib.makeReverse(), 1)
global numPrimitives
numPrimitives += numVertices * 2
nodePath.attachNewNode(circleGeomNode)
class PolyGroup():
# vdata is the Panda3D vertex data object created by the main Mesh
def __init__(self, vdata, tex_idx):
self.vdata = vdata # vertex data, passed in from parent mesh
self.name = 'PolyGroup_' + str(tex_idx)
self.geom = Geom(self.vdata)
self.primitives = GeomTriangles(Geom.UHStatic)
self.geom.addPrimitive(self.primitives)
self.sprite_list_index = 0
self.nodePath = None
# Parameters:
# wld_container - WldContainer parent object
# f - the f36 fragment we are based on
# start_index - index of our first poly in the fragment's polyList polygon list
# n_polys - numer of polys to build
# tex_idx - index of the texture that all our polys share
def build(self,
wld_container,
f,
start_index,
n_polys,
tex_idx,
debug=False):
# f.dump()
self.sprite_list_index = f.fragment1 - 1 # the fragment1 ref is used as sprite list index
sprite = wld_container.getSprite(tex_idx, self.sprite_list_index)
polyList = f.polyList
poly_idx = start_index
for poly in range(0, n_polys):
p = polyList[poly_idx]
poly_idx += 1
self.primitives.addVertices(p[0], p[1], p[2])
self.node = GeomNode(self.name)
self.node.addGeom(self.geom)
# make a node path for our GEOM, these will be attached under our parent mesh's root
self.nodePath = NodePath(self.node)
# self.nodePath.setRenderModeWireframe()
# self.nodePath.setRenderModeFilled()
# self.nodePath.showBounds()
self.nodePath.setPos(f.centerX, f.centerY,
f.centerZ) # translate to correct position
self.nodePath.setAttrib(
CullFaceAttrib.make(CullFaceAttrib.MCullCounterClockwise))
# self.nodePath.setAttrib(CullFaceAttrib.make(CullFaceAttrib.MCullClockwise))
# Texture setup
if sprite != None:
# sprite.dump()
if sprite.numtex > 0:
t = sprite.textures[0]
self.nodePath.setTexture(t)
if debug:
print(" polygroup build had texture count: " +
str(sprite.numtex) + " AnimDelay: " +
str(sprite.anim_delay))
patchInvertDDSV(self.nodePath, t, debug)
if sprite.anim_delay > 0:
geom_num = self.node.getNumGeoms() - 1
if debug:
print("Adding geom render state for " + self.name)
from panda3d.core import ColorBlendAttrib
# seems animated "masked" textrue need this in order to function
# dont want to have it on the main zone geoms though cause it breaks
# semi trasparent surfaces (water etc). Probably should move away from making those
# transparent through color blending and simply patch up their alpha channels as needed?
if sprite.masked == 1:
self.node.setAttrib(
ColorBlendAttrib.make(ColorBlendAttrib.MAdd,
ColorBlendAttrib.OAlphaScale,
ColorBlendAttrib.OOne))
sprite.addAnimGeomRenderState(
(self.node, geom_num, self.node.getGeomState(geom_num),
self.name))
else:
print 'Error: texture (idx=%i) not found. PolyGroup will be rendered untextured' % (
tex_idx)
return 1
def drawBody(nodePath, vdata, pos, vecList, radius=1, keepDrawing=True, numVertices=8):
circleGeom = Geom(vdata)
vertWriter = GeomVertexWriter(vdata, "vertex")
colorWriter = GeomVertexWriter(vdata, "color")
normalWriter = GeomVertexWriter(vdata, "normal")
drawReWriter = GeomVertexRewriter(vdata, "drawFlag")
texReWriter = GeomVertexRewriter(vdata, "texcoord")
startRow = vdata.getNumRows()
vertWriter.setRow(startRow)
colorWriter.setRow(startRow)
normalWriter.setRow(startRow)
sCoord = 0
if (startRow != 0):
texReWriter.setRow(startRow - numVertices)
sCoord = texReWriter.getData2f().getX() + 1
drawReWriter.setRow(startRow - numVertices)
if(drawReWriter.getData1f() == False):
sCoord -= 1
drawReWriter.setRow(startRow)
texReWriter.setRow(startRow)
angleSlice = 2 * math.pi / numVertices
currAngle = 0
#axisAdj=LMatrix4.rotateMat(45, axis)*LMatrix4.scaleMat(radius)*LMatrix4.translateMat(pos)
perp1 = vecList[1]
perp2 = vecList[2]
# vertex information is written here
for i in range(numVertices):
adjCircle = pos + \
(perp1 * math.cos(currAngle) + perp2 * math.sin(currAngle)) * \
radius
normal = perp1 * math.cos(currAngle) + perp2 * math.sin(currAngle)
normalWriter.addData3f(normal)
vertWriter.addData3f(adjCircle)
texReWriter.addData2f(sCoord, (i + 0.001) / (numVertices - 1))
colorWriter.addData4f(0.5, 0.5, 0.5, 1)
drawReWriter.addData1f(keepDrawing)
currAngle += angleSlice
drawReader = GeomVertexReader(vdata, "drawFlag")
drawReader.setRow(startRow - numVertices)
# we cant draw quads directly so we use Tristrips
if (startRow != 0) & (drawReader.getData1f() != False):
lines = GeomTristrips(Geom.UHStatic)
half = int(numVertices * 0.5)
for i in range(numVertices):
lines.addVertex(i + startRow)
if i < half:
lines.addVertex(i + startRow - half)
else:
lines.addVertex(i + startRow - half - numVertices)
lines.addVertex(startRow)
lines.addVertex(startRow - half)
lines.closePrimitive()
lines.decompose()
circleGeom.addPrimitive(lines)
circleGeomNode = GeomNode("Debug")
circleGeomNode.addGeom(circleGeom)
# I accidentally made the front-face face inwards. Make reverse makes the tree render properly and
# should cause any surprises to any poor programmer that tries to use
# this code
circleGeomNode.setAttrib(CullFaceAttrib.makeReverse(), 1)
global numPrimitives
numPrimitives += numVertices * 2
nodePath.attachNewNode(circleGeomNode)
class PolyGroup():
# vdata is the Panda3D vertex data object created by the main Mesh
def __init__(self, vdata, tex_idx):
self.vdata = vdata # vertex data, passed in from parent mesh
self.name = 'PolyGroup_'+str(tex_idx)
self.geom = Geom(self.vdata)
self.primitives = GeomTriangles(Geom.UHStatic)
self.geom.addPrimitive(self.primitives)
self.sprite_list_index = 0
self.nodePath = None
# Parameters:
# wld_container - WldContainer parent object
# f - the f36 fragment we are based on
# start_index - index of our first poly in the fragment's polyList polygon list
# n_polys - numer of polys to build
# tex_idx - index of the texture that all our polys share
def build(self, wld_container, f, start_index, n_polys, tex_idx,debug=False):
# f.dump()
self.sprite_list_index = f.fragment1-1 # the fragment1 ref is used as sprite list index
sprite = wld_container.getSprite(tex_idx, self.sprite_list_index)
polyList = f.polyList
poly_idx = start_index
for poly in range(0, n_polys):
p = polyList[poly_idx]
poly_idx += 1
self.primitives.addVertices(p[0], p[1], p[2])
self.node = GeomNode(self.name)
self.node.addGeom(self.geom)
# make a node path for our GEOM, these will be attached under our parent mesh's root
self.nodePath = NodePath(self.node)
# self.nodePath.setRenderModeWireframe()
# self.nodePath.setRenderModeFilled()
# self.nodePath.showBounds()
self.nodePath.setPos(f.centerX, f.centerY,f.centerZ) # translate to correct position
self.nodePath.setAttrib(CullFaceAttrib.make(CullFaceAttrib.MCullCounterClockwise))
# self.nodePath.setAttrib(CullFaceAttrib.make(CullFaceAttrib.MCullClockwise))
# Texture setup
if sprite != None:
# sprite.dump()
if sprite.numtex > 0:
t = sprite.textures[0]
self.nodePath.setTexture(t)
if debug:
print(" polygroup build had texture count: " + str(sprite.numtex) + " AnimDelay: " + str(sprite.anim_delay))
patchInvertDDSV(self.nodePath,t,debug)
if sprite.anim_delay > 0:
geom_num = self.node.getNumGeoms()-1
if debug:
print("Adding geom render state for " + self.name)
from panda3d.core import ColorBlendAttrib
# seems animated "masked" textrue need this in order to function
# dont want to have it on the main zone geoms though cause it breaks
# semi trasparent surfaces (water etc). Probably should move away from making those
# transparent through color blending and simply patch up their alpha channels as needed?
if sprite.masked == 1:
self.node.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd,ColorBlendAttrib.OAlphaScale,ColorBlendAttrib.OOne))
sprite.addAnimGeomRenderState( (self.node,geom_num,self.node.getGeomState(geom_num),self.name) )
else:
print 'Error: texture (idx=%i) not found. PolyGroup will be rendered untextured' % (tex_idx)
return 1
