class Terrain():
def __init__(self, _heightField):
texture = loader.loadTexture("ground_tex.png")
self.zScale = 45
self.terrain = GeoMipTerrain("BasicTerrain")
self.terrain.setHeightfield(_heightField)
# Dynamic settings?
self.terrain.setBlockSize(16)
self.terrain.setNear(20)
self.terrain.setFar(100)
self.terrain.setFocalPoint(base.camera)
# Settings
self.terrain.getRoot().setSz(self.zScale)
self.terrain.getRoot().setTexture(texture)
self.terrain.getRoot().reparentTo(render)
self.terrain.generate()
self.terrainSize = (self.terrain.heightfield().getReadXSize(), self.terrain.heightfield().getReadYSize())
print "Terrain Size:", self.terrainSize
taskMgr.add(self.terrainTask, "TerrainTask")
self.skydome = loader.loadModel("Skydome")
self.skydome.setDepthTest(False)
self.skydome.setAttrib(CullBinAttrib.make("skydomeBin", 1000))
self.skydome.reparentTo(camera)
self.skydome.setScale(2)
self.skydome.setPos(0, 0, -0.5)
self.skydome.setCollideMask(BitMask32.allOff())
taskMgr.add(self.skydomeTask, "paperplanet_skydome")
# Add some fancy fog
self.fog = Fog("Fog Name")
self.fog.setColor(0.4,0.2,0.3)
self.fog.setExpDensity(0.015)
render.setFog(self.fog)
# Some Test light
dlight = DirectionalLight("dlight")
dlight.setColor(VBase4(0.8, 0.8, 0.5, 1))
dlnp = render.attachNewNode(dlight)
dlnp.setHpr(0, -60, 0)
render.setLight(dlnp)
# Add basic blacksmith hut
tmp = loader.loadModel("blacksmith_hut")
tmp.reparentTo(render)
tmp.setPos(164.054, 340.92, 11.3384)
def skydomeTask(self, task):
self.skydome.setHpr(render, 0,0,0)
return task.cont
def terrainTask(self, task):
# tmp
self.terrain.update()
return task.cont
class Terrain:
folder = os.path.dirname(os.path.abspath(__file__))
subfolder = "/Maps/"
file = "simple.jpg"
filepath = folder + subfolder + file
def __init__(self):
fn = Filename.fromOsSpecific(self.filepath)
self.terrain = GeoMipTerrain("mySimpleTerrain")
self.terrain.setHeightfield("Entities/Maps/heightmap.png")
self.terrain.getRoot().setSz(40)
#terrain.setBruteforce(True)
self.terrain.getRoot().reparentTo(render)
# Set terrain properties
self.terrain.setBlockSize(16)
self.terrain.setNear(500)
self.terrain.setFar(100)
self.terrain.setFocalPoint(base.camera)
# Store the root NodePath for convenience
root = self.terrain.getRoot()
root.reparentTo(render)
# some tinkering
"""
# tell renderer to repeat texture when reading over the edge.
texGrass.setWrapU(Texture.WM_repeat)
texGrass.setWrapV(Texture.WM_repeat)
# apply mipmapping: tell renderer how to handle multiple texture pixels being rendered t a single screen pixel (makes textures 30% larger in GPU mem.)
texGrass.setMinfilter(SamplerState.FT_linear_mipmap_linear)
"""
self.terrain.generate()
"""
new attempt to include blend mapping:
"""
# determine terrain size
self.heightmap = self.terrain.heightfield()
if self.heightmap.getXSize() > self.heightmap.getYSize():
self.size = self.heightmap.getXSize() - 1
else:
self.size = self.heightmap.getYSize() - 1
self.xsize = self.heightmap.getXSize() - 1
self.ysize = self.heightmap.getYSize() - 1
# Set multi texture
# Source http://www.panda3d.org/phpbb2/viewtopic.php?t=4536
self.generateSurfaceTextures()
# load a blend texture from file:
self.blendTexture = loader.loadTexture("Entities/Maps/blendMap.png")
self.blendTS = TextureStage('blend')
self.blendTS.setSort(0)
self.blendTS.setPriority(1)
# apply textures to the terrain and connect custom shader for blend mapping:
self.setSurfaceTextures()
# Add a task to keep updating the terrain (for changing terrain, or synamic resolution)
def updateTask(task):
self.terrain.update()
return task.cont
taskMgr.add(updateTask, "update")
# this is where we load the textures to be assigned to the terrain
def generateSurfaceTextures(self):
# Textureize
self.grassTexture = loader.loadTexture("Entities/Maps/grassy2.png")
self.grassTexture.setWrapU(Texture.WMRepeat)
self.grassTexture.setWrapV(Texture.WMRepeat)
self.grassTexture.setMinfilter(SamplerState.FT_linear_mipmap_linear)
self.grassTexture.setAnisotropicDegree(8)
self.grassTS = TextureStage('grass')
self.grassTS.setSort(
1) # sorting order is relevent for assigning textures to the four
self.rockTexture = loader.loadTexture("Entities/Maps/simple.jpg")
self.rockTexture.setWrapU(Texture.WMRepeat)
self.rockTexture.setWrapV(Texture.WMRepeat)
self.rockTexture.setMinfilter(SamplerState.FT_linear_mipmap_linear)
#self.grassTexture.setAnisotropicDegree(8)
self.rockTS = TextureStage('rock')
self.rockTS.setSort(2)
# self.rockTS.setCombineRgb(TextureStage.CMAdd, TextureStage.CSLastSavedResult, TextureStage.COSrcColor, TextureStage.CSTexture, TextureStage.COSrcColor)
self.sandTexture = loader.loadTexture("Entities/Maps/stars.png")
self.sandTexture.setWrapU(Texture.WMRepeat)
self.sandTexture.setWrapV(Texture.WMRepeat)
self.sandTexture.setMinfilter(SamplerState.FT_linear_mipmap_linear)
#self.sandTexture.setAnisotropicDegree(8)
self.sandTS = TextureStage('sand')
self.sandTS.setSort(3)
self.sandTS.setPriority(5) # TODO: figure out what this is for...
self.snowTexture = loader.loadTexture("Entities/Maps/grass.png")
self.snowTexture.setWrapU(Texture.WMRepeat)
self.snowTexture.setWrapV(Texture.WMRepeat)
self.snowTexture.setMinfilter(SamplerState.FT_linear_mipmap_linear)
#self.snowTexture.setAnisotropicDegree(8)
self.snowTS = TextureStage('snow')
self.snowTS.setSort(4)
self.snowTS.setPriority(0)
# a background (or rather freground?) texture that will be present independently from the blend map (consider removal)
self.overlayTexture = loader.loadTexture("Entities/Maps/heightmap.png")
self.overlayTexture.setWrapU(Texture.WMRepeat)
self.overlayTexture.setWrapV(Texture.WMRepeat)
self.overlayTexture.setMinfilter(SamplerState.FT_linear_mipmap_linear)
#self.overlayTexture.setAnisotropicDegree(8)
self.overlayTS = TextureStage('overlay')
self.overlayTS.setSort(5)
self.overlayTS.setPriority(10)
# this is where we assign loaded textures to be blended in the shader.
def setSurfaceTextures(self):
self.ownerview = False
root = self.terrain.getRoot()
root.clearTexture()
#self.terrain.setTextureMap()
root.setTexture(
self.blendTS, self.snowTexture
) # this texture determines where the other textures are visible
root.setTexture(self.grassTS, self.snowTexture)
#root.setTexScale(self.grassTS, self.size*5, self.size*5) # I try to make the texture 20 times smaller then the blend map...
root.setTexture(self.rockTS, self.snowTexture) #rockTexture
#root.setTexScale(self.rockTS, self.size*5, self.size*5)
root.setTexture(self.sandTS, self.snowTexture) #sandTexture
#root.setTexScale(self.sandTS, self.size*5, self.size*5)
root.setTexture(self.snowTS, self.snowTexture) #snowTexture
#root.setTexScale(self.snowTS, self.size*5, self.size*5)
#(consider removal)
root.setTexture(self.overlayTS, self.overlayTexture) #overlayTexture
#root.setTexScale(self.overlayTS, self.xsize, self.ysize)
root.setShaderInput('size', self.xsize, self.ysize, self.size,
self.size)
root.setShader(loader.loadShader('Entities/Maps/terrainblender.sha'))