/
alpha.py
695 lines (558 loc) · 27.6 KB
/
alpha.py
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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
# Author: Alpha Team
# Date: 2016/7/12
# Version: 0.1
# Alpha version.
from panda3d.core import *
from direct.showbase.ShowBase import ShowBase
from direct.task.Task import Task
from src import *
import sys
import os
import math
import random
# 加载配置文件
loadPrcFile("config/config.prc")
class Game(ShowBase):
# 窗口大小
Win_Size_X = 0
Win_Size_Y = 0
# 纹理过滤质量
# 1 - 双线性过滤
# 2 - 三线性过滤
# 3 - 各向异性过滤 2x
# 4 - 各向异性过滤 4x
# 5 - 各向异性过滤 8x
# 6 - 各向异性过滤 16x
Texture_Filter = 6
# 阴影质量
# 0 - 关闭
# 1 - 低
# 2 - 中
# 3 - 高
Shadow_Quality = 0
Shadow_Map_Size = 1024
# 环境光遮蔽
# 0 - 关闭
# 1 - SSAO
# 2 - HBAO+ 3.0 //TODO
Ambient_Occlusion = 0
# 抗锯齿
# 0 - 关闭
# 1 - FXAA
# 2 - SMAA 1x
# 3 - SMAA T2x //TODO
# 4 - SMAA 4x //TODO
Anti_Aliasing = 0
# 鼠标灵敏度
Mouse_Sensitivity = 100
# 镜头移动速度
Camera_Speed = 25
def __init__(self):
ShowBase.__init__(self)
self.InitRenderPipeline()
self.recenterMouse()
self.taskMgr.add(self.updateCamera, "Update Camera")
def InitRenderPipeline(self):
self.InitCamera()
self.InitGameVariable()
self.InitMasks()
self.InitShaders()
self.InitBuffers()
self.InitModels()
self.InitLights()
self.InitKeysBinding()
def InitCamera(self):
self.disableMouse()
self.camera.setPos(-3.5, 1.5, 5)
self.camera.setHpr(90, 0, 0)
self.camLens.setNearFar(1.0, 500.0)
self.camLens.setFov(90)
def InitGameVariable(self):
Game.Win_Size_X = self.win.getProperties().getXSize()
Game.Win_Size_Y = self.win.getProperties().getYSize()
if Game.Texture_Filter == 2:
loadPrcFileData('', 'texture-minfilter linear-mipmap-linear')
elif Game.Texture_Filter == 3:
loadPrcFileData('', 'texture-anisotropic-degree 2')
elif Game.Texture_Filter == 4:
loadPrcFileData('', 'texture-anisotropic-degree 4')
elif Game.Texture_Filter == 5:
loadPrcFileData('', 'texture-anisotropic-degree 8')
elif Game.Texture_Filter == 6:
loadPrcFileData('', 'texture-anisotropic-degree 16')
if Game.Shadow_Quality == 1:
Game.Shadow_Map_Size = 512
elif Game.Shadow_Quality == 2:
Game.Shadow_Map_Size = 1024
elif Game.Shadow_Quality == 3:
Game.Shadow_Map_Size = 2048
def InitMasks(self):
# Camera masks
self.mask = {
# 全部不透明模型
'model': 1,
# 屏幕大小的四边形
'quad': 2,
# 光体积
'light-volume': 4,
# 天空盒
'skybox': 8
}
def InitBuffers(self):
# Initialize off screen buffers
self.buffers = {}
self.bufferTex = {}
self.bufferCam = {}
self.InitBufferGBuffer()
if Game.Shadow_Quality != 0:
self.InitBufferShadow()
if Game.Ambient_Occlusion == 1:
self.InitBufferSSAONoise()
self.InitBufferSSAOBlur()
#elif Game.Ambient_Occlusion == 2:
self.InitBufferLight()
self.InitBufferSkybox()
self.InitBufferWin()
self.buffers['skybox'].shareDepthBuffer(self.buffers['gBuffer'])
def InitBufferGBuffer(self):
# g-Buffer
self.buffers['gBuffer'] = self.makeFBO("gBuffer", 2)
self.buffers['gBuffer'].setSort(1)
self.InitBufferGBufferTex()
self.InitBufferGBufferCam()
self.buffers['gBuffer'].addRenderTexture(self.bufferTex['DepthStencil'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPDepthStencil)
self.buffers['gBuffer'].addRenderTexture(self.bufferTex['Diffuse'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.buffers['gBuffer'].addRenderTexture(self.bufferTex['Normal'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPAuxRgba0)
self.buffers['gBuffer'].addRenderTexture(self.bufferTex['Specular'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPAuxRgba1)
self.buffers['gBuffer'].disableClears()
self.buffers['gBuffer'].setClearColorActive(1)
self.buffers['gBuffer'].setClearDepthActive(1)
self.buffers['gBuffer'].setClearActive(GraphicsOutput.RTPAuxRgba0, 1)
self.buffers['gBuffer'].setClearActive(GraphicsOutput.RTPAuxRgba1, 1)
self.buffers['gBuffer'].setClearColor(LVecBase4f(0.0, 0.0, 0.0, 1.0))
def InitBufferGBufferTex(self):
self.bufferTex['DepthStencil'] = Texture()
self.bufferTex['DepthStencil'].setFormat(Texture.FDepthStencil)
self.bufferTex['DepthStencil'].setMagfilter(Texture.FTLinear)
self.bufferTex['DepthStencil'].setMinfilter(Texture.FTLinear)
self.bufferTex['DepthStencil'].setAnisotropicDegree(1)
self.bufferTex['Diffuse'] = Texture()
self.bufferTex['Diffuse'].setMagfilter(Texture.FTLinear)
self.bufferTex['Diffuse'].setMinfilter(Texture.FTLinear)
self.bufferTex['Diffuse'].setAnisotropicDegree(1)
self.bufferTex['Normal'] = Texture()
self.bufferTex['Normal'].setMagfilter(Texture.FTLinear)
self.bufferTex['Normal'].setMinfilter(Texture.FTLinear)
self.bufferTex['Normal'].setAnisotropicDegree(1)
self.bufferTex['Specular'] = Texture()
self.bufferTex['Specular'].setMagfilter(Texture.FTLinear)
self.bufferTex['Specular'].setMinfilter(Texture.FTLinear)
self.bufferTex['Specular'].setAnisotropicDegree(1)
#self.bufferTex['Irradiance'] = Texture()
def InitBufferGBufferCam(self):
self.bufferCam['gBuffer'] = self.makeCamera(
self.buffers['gBuffer'], lens = self.camLens, scene = self.render, mask = self.mask['model'])
self.bufferCam['gBuffer'].node().getDisplayRegion(0).disableClears()
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShader(self.shaders['gBuffer'])
self.bufferCam['gBuffer'].node().setInitialState(tmpnode.getState())
def InitBufferShadow(self):
# Shadow buffer
self.buffers['shadow'] = self.makeShadowFBO("Shadow Buffer", Game.Shadow_Map_Size)
self.buffers['shadow'].setSort(2)
self.InitBufferShadowTex()
self.InitBufferShadowCam()
self.buffers['shadow'].addRenderTexture(self.bufferTex['Shadow'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPDepth)
self.buffers['shadow'].setClearDepthActive(1)
def InitBufferShadowTex(self):
self.bufferTex['Shadow'] = Texture()
self.bufferTex['Shadow'].setFormat(Texture.FDepthComponent16)
self.bufferTex['Shadow'].setMagfilter(Texture.FTNearest) # FTShadow
self.bufferTex['Shadow'].setMinfilter(Texture.FTNearest) # FTShadow
self.bufferTex['Shadow'].setAnisotropicDegree(1)
self.bufferTex['Shadow'].setWrapU(Texture.WMBorderColor)
self.bufferTex['Shadow'].setWrapV(Texture.WMBorderColor)
self.bufferTex['Shadow'].setBorderColor(LVecBase4f(1.0, 1.0, 1.0, 1.0))
def InitBufferShadowCam(self):
orthoLen = OrthographicLens()
orthoLen.setFilmSize(150, 150)
self.bufferCam['shadow'] = NodePath(Camera("shadowCam"))
self.bufferCam['shadow'].node().setLens(orthoLen)
self.bufferCam['shadow'].node().setScene(self.render)
self.bufferCam['shadow'].node().setCameraMask(self.mask['model'])
self.camList.append(self.bufferCam['shadow'])
dr = self.buffers['shadow'].makeDisplayRegion((0, 1, 0, 1))
dr.setSort(0)
dr.setClearDepthActive(1)
dr.setCamera(self.bufferCam['shadow'])
self.bufferCam['shadow'].setPos(0, 0, 0)
self.bufferCam['shadow'].lookAt(-1, -0.75, -4.52)
self.bufferCam['shadow'].node().getLens().setNearFar(-90, 20)
self.bufferCam['shadow'].node().getDisplayRegion(0).disableClears()
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShader(self.shaders['shadow_mapping'])
self.bufferCam['shadow'].node().setInitialState(tmpnode.getState())
def InitBufferSSAONoise(self):
# SSAO Noise pass buffer
self.buffers['SSAONoise'] = self.makeFBO("SSAO Noise Buffer", 0)
self.buffers['SSAONoise'].setSort(3)
self.InitBufferSSAONoiseTex()
self.InitBufferSSAONoiseCam()
self.buffers['SSAONoise'].addRenderTexture(self.bufferTex['SSAONoisy'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.buffers['SSAONoise'].setClearColorActive(1)
self.buffers['SSAONoise'].setClearColor(LVecBase4f(1.0, 1.0, 1.0, 1.0))
def InitBufferSSAONoiseTex(self):
self.bufferTex['SSAONoisy'] = Texture()
self.bufferTex['SSAONoisy'].setFormat(Texture.FRed)
self.bufferTex['SSAONoisy'].setMagfilter(Texture.FTLinear)
self.bufferTex['SSAONoisy'].setMinfilter(Texture.FTLinear)
self.bufferTex['SSAONoisy'].setAnisotropicDegree(1)
# 生成一个4x4的随机噪声贴图
noise = PNMImage(4, 4)
for i in range(4):
for j in range(4):
noise.setXel(i, j, LVecBase3f(random.random() * 2 - 1, random.random() * 2 - 1, 0.0))
self.bufferTex['SSAOnoise'] = Texture()
self.bufferTex['SSAOnoise'].load(noise)
self.bufferTex['SSAOnoise'].setFormat(Texture.FRgb16)
self.bufferTex['SSAOnoise'].setMagfilter(Texture.FTNearest)
self.bufferTex['SSAOnoise'].setMinfilter(Texture.FTNearest)
self.bufferTex['SSAOnoise'].setAnisotropicDegree(1)
self.bufferTex['SSAOnoise'].setWrapU(Texture.WMRepeat)
self.bufferTex['SSAOnoise'].setWrapV(Texture.WMRepeat)
def InitBufferSSAONoiseCam(self):
self.bufferCam['SSAONoise'] = self.makeCamera(
self.buffers['SSAONoise'], lens = self.camLens, scene = self.render, mask = self.mask['quad'])
self.bufferCam['SSAONoise'].node().getDisplayRegion(0).disableClears()
SSAOsamples = PTA_LVecBase4f()
for i in range(64):
# sample = LVecBase3f(random.random() * 2 - 1, random.random() * 2 - 1, random.random())
sample = LVecBase3f(random.uniform(-1.0, 1.0), random.uniform(-1.0, 1.0), random.uniform(0.0, 1.0))
sample_length = math.sqrt(sample.x * sample.x + sample.y * sample.y + sample.z * sample.z)
sample /= sample_length
sample *= random.random()
sample = sample * 0.5 + 0.5
scale = float(i) / 64.0
scale = 0.1 + 0.9 * (scale * scale)
sample *= scale
SSAOsamples.push_back(UnalignedLVecBase4f(sample.x, sample.y, sample.z, 0.0))
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShader(self.shaders['SSAONoise'])
tmpnode.setShaderInput("texScaleNoise", LVecBase2f(Game.Win_Size_X / 4.0, Game.Win_Size_Y / 4.0))
tmpnode.setShaderInput("TexDepthStencil", self.bufferTex['DepthStencil'])
tmpnode.setShaderInput("TexNormal", self.bufferTex['Normal'])
tmpnode.setShaderInput("TexNoise", self.bufferTex['SSAOnoise'])
tmpnode.setShaderInput("NEAR", self.camLens.getNear())
tmpnode.setShaderInput("FAR", self.camLens.getFar())
tmpnode.setShaderInput("samples", SSAOsamples)
self.bufferCam['SSAONoise'].node().setInitialState(tmpnode.getState())
def InitBufferSSAOBlur(self):
# SSAO blur pass buffer
self.buffers['SSAOBlur'] = self.makeFBO("SSAO Blur Buffer", 0)
self.buffers['SSAOBlur'].setSort(4)
self.InitBufferSSAOBlurTex()
self.InitBufferSSAOBlurCam()
self.buffers['SSAOBlur'].addRenderTexture(self.bufferTex['SSAOBlur'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.buffers['SSAOBlur'].setClearColorActive(1)
self.buffers['SSAOBlur'].setClearColor(LVecBase4f(1.0, 1.0, 1.0, 1.0))
def InitBufferSSAOBlurTex(self):
self.bufferTex['SSAOBlur'] = Texture()
self.bufferTex['SSAOBlur'].setFormat(Texture.FRed)
self.bufferTex['SSAOBlur'].setMagfilter(Texture.FTLinear)
self.bufferTex['SSAOBlur'].setMinfilter(Texture.FTLinear)
self.bufferTex['SSAOBlur'].setAnisotropicDegree(1)
def InitBufferSSAOBlurCam(self):
self.bufferCam['SSAOBlur'] = self.makeCamera(
self.buffers['SSAOBlur'], lens = self.camLens, scene = self.render, mask = self.mask['quad'])
self.bufferCam['SSAOBlur'].node().getDisplayRegion(0).disableClears()
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShader(self.shaders['SSAOBlur'])
tmpnode.setShaderInput("TexSSAONoisy", self.bufferTex['SSAONoisy'])
tmpnode.setShaderInput("ScreenSize", LVecBase2i(Game.Win_Size_X, Game.Win_Size_X))
self.bufferCam['SSAOBlur'].node().setInitialState(tmpnode.getState())
def InitBufferLight(self):
# Lighting calculation buffer
self.buffers['light'] = self.makeFBO("Light Buffer", 0)
self.buffers['light'].setSort(5)
self.InitBufferLightTex()
self.InitBufferLightCam()
self.buffers['light'].addRenderTexture(self.bufferTex['Light'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.buffers['light'].setClearColorActive(1)
self.buffers['light'].setClearColor(LVecBase4f(0.0, 0.0, 0.0, 1.0))
def InitBufferLightTex(self):
self.bufferTex['Light'] = Texture()
self.bufferTex['Light'].setMagfilter(Texture.FTLinear)
self.bufferTex['Light'].setMinfilter(Texture.FTLinear)
self.bufferTex['Light'].setAnisotropicDegree(1)
def InitBufferLightCam(self):
self.bufferCam['light_AD'] = self.makeCamera(
self.buffers['light'], lens = self.camLens, scene = self.render, mask = self.mask['quad'])
self.bufferCam['light_PS'] = self.makeCamera(
self.buffers['light'], lens = self.camLens, scene = self.render, mask = self.mask['light-volume'])
self.bufferCam['light_AD'].node().getDisplayRegion(0).setSort(1)
self.bufferCam['light_PS'].node().getDisplayRegion(0).setSort(2)
self.bufferCam['light_AD'].node().getDisplayRegion(0).disableClears()
self.bufferCam['light_PS'].node().getDisplayRegion(0).disableClears()
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShaderInput("TexDepthStencil", self.bufferTex['DepthStencil'])
tmpnode.setShaderInput("TexDiffuse", self.bufferTex['Diffuse'])
tmpnode.setShaderInput("TexNormal", self.bufferTex['Normal'])
tmpnode.setShaderInput("TexSpecular", self.bufferTex['Specular'])
if Game.Shadow_Quality != 0:
tmpnode.setShaderInput("light", self.bufferCam['shadow'])
tmpnode.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOne, ColorBlendAttrib.OOne))
tmpnode.setAttrib(DepthWriteAttrib.make(DepthWriteAttrib.MOff))
self.bufferCam['light_AD'].node().setInitialState(tmpnode.getState())
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShaderInput("TexDepthStencil", self.bufferTex['DepthStencil'])
tmpnode.setShaderInput("TexDiffuse", self.bufferTex['Diffuse'])
tmpnode.setShaderInput("TexNormal", self.bufferTex['Normal'])
tmpnode.setShaderInput("TexSpecular", self.bufferTex['Specular'])
tmpnode.setAttrib(ColorBlendAttrib.make(ColorBlendAttrib.MAdd, ColorBlendAttrib.OOne, ColorBlendAttrib.OOne))
tmpnode.setAttrib(CullFaceAttrib.make(CullFaceAttrib.MCullCounterClockwise))
tmpnode.setAttrib(DepthWriteAttrib.make(DepthWriteAttrib.MOff))
self.bufferCam['light_PS'].node().setInitialState(tmpnode.getState())
def InitBufferSkybox(self):
self.buffers['skybox'] = self.makeFBO("skybox", 0)
self.buffers['skybox'].setSort(6)
self.InitBufferSkyboxTex()
self.InitBufferSkyboxCam()
self.buffers['skybox'].addRenderTexture(self.bufferTex['Skybox'],
GraphicsOutput.RTMBindOrCopy, GraphicsOutput.RTPColor)
self.buffers['skybox'].setClearColorActive(1)
self.buffers['skybox'].setClearColor(LVecBase4f(0.0, 0.0, 0.0, 1.0))
def InitBufferSkyboxTex(self):
self.bufferTex['Skybox'] = Texture()
self.skyTex = self.loader.loadCubeMap("textures/skybox/Highnoon_#.jpg")
def InitBufferSkyboxCam(self):
self.bufferCam['skybox'] = self.makeCamera(
self.buffers['skybox'], lens = self.camLens, scene = self.render, mask = self.mask['skybox'])
self.bufferCam['skybox'].node().getDisplayRegion(0).disableClears()
tmpnode = NodePath(PandaNode("tmp node"))
tmpnode.setShader(self.shaders['skybox'])
tmpnode.setShaderInput("TexSkybox", self.skyTex)
tmpnode.setAttrib(DepthTestAttrib.make(RenderAttrib.MLessEqual))
self.bufferCam['skybox'].node().setInitialState(tmpnode.getState())
def InitBufferWin(self):
self.win.setSort(7)
self.InitBufferWinCam()
self.win.disableClears()
self.win.setClearColor(LVecBase4f(0.0, 0.0, 0.0, 1.0))
def InitBufferWinCam(self):
self.cam.node().setActive(0)
self.cam.node().getDisplayRegion(0).disableClears()
self.cam2d.node().getDisplayRegion(0).disableClears()
self.render.setState(RenderState.makeEmpty())
def InitShaders(self):
# Initialize shaders
self.shaders = {}
self.shaders['gBuffer'] = Shader.load(
Shader.SLGLSL, "shaders/gbuffer_vert.glsl", "shaders/gbuffer_frag.glsl")
self.shaders['ambient_light'] = Shader.load(
Shader.SLGLSL, "shaders/ambient_light_vert.glsl", "shaders/ambient_light_frag.glsl")
self.shaders['directional_light'] = Shader.load(
Shader.SLGLSL, "shaders/directional_light_vert.glsl", "shaders/directional_light_frag.glsl")
self.shaders['point_light'] = Shader.load(
Shader.SLGLSL, "shaders/point_light_vert.glsl", "shaders/point_light_frag.glsl")
self.shaders['spotlight'] = Shader.load(
Shader.SLGLSL, "shaders/spotlight_vert.glsl", "shaders/spotlight_frag.glsl")
if Game.Shadow_Quality != 0:
self.shaders['directional_light'] = Shader.load(
Shader.SLGLSL, "shaders/directional_light_vert.glsl", "shaders/directional_light_shadow_frag.glsl")
self.shaders['shadow_mapping'] = Shader.load(
Shader.SLGLSL, "shaders/shadow_mapping_vert.glsl", "shaders/shadow_mapping_frag.glsl")
if Game.Ambient_Occlusion != 0:
if Game.Ambient_Occlusion == 1:
# SSAO
self.shaders['ambient_light'] = Shader.load(
Shader.SLGLSL, "shaders/ambient_light_vert.glsl", "shaders/ambient_light_ao_frag.glsl")
self.shaders['SSAONoise'] = Shader.load(
Shader.SLGLSL, "shaders/ssao_noise_vert.glsl", "shaders/ssao_noise_frag.glsl")
self.shaders['SSAOBlur'] = Shader.load(
Shader.SLGLSL, "shaders/ssao_blur_vert.glsl", "shaders/ssao_blur_frag.glsl")
#elif Game.Ambient_Occlusion == 2:
# HBAO+
self.shaders['skybox'] = Shader.load(
Shader.SLGLSL, "shaders/skybox_vert.glsl", "shaders/skybox_frag.glsl")
self.shaders['tone_mapping'] = Shader.load(
Shader.SLGLSL, "shaders/tone_mapping_vert.glsl", "shaders/tone_mapping_frag.glsl")
if Game.Anti_Aliasing != 0:
if Game.Anti_Aliasing == 1:
# FXAA
self.shaders['FXAA'] = Shader.load(
Shader.SLGLSL, "shaders/fxaa_vert.glsl", "shaders/fxaa_frag.glsl")
elif Game.Anti_Aliasing == 2:
# SMAA 1x
self.shaders['SMAAEdge'] = Shader.load(
Shader.SLGLSL, "shaders/smaa_edge_vert.glsl", "shaders/smaa_edge_frag.glsl")
self.shaders['SMAABlend'] = Shader.load(
Shader.SLGLSL, "shaders/smaa_blend_vert.glsl", "shaders/smaa_blend_frag.glsl")
self.shaders['SMAANeighborhood'] = Shader.load(
Shader.SLGLSL, "shaders/smaa_neighborhood_vert.glsl", "shaders/smaa_neighborhood_frag.glsl")
def InitLights(self):
# 初始化光源
self.ambientLight = IWAmbientLight("ambientLight", self.quad)
self.ambientLight.light.setColor(LVecBase4f(0.37, 0.37, 0.43, 1.0))
self.ambientLight.NodePath.setShader(self.shaders['ambient_light'])
self.ambientLight.initShaderInput()
if Game.Ambient_Occlusion != 0:
self.ambientLight.NodePath.setShaderInput("TexAO", self.bufferTex['SSAOBlur'])
self.ambientLight.NodePath.reparentTo(self.quadRoot)
self.sunLight = IWDirectionalLight("sunLight", self.quad)
self.sunLight.light.setColor(LVecBase4f(1.0, 1.0, 0.85, 1.0))
self.sunLight.light.setDirection(LVecBase3f(-1, -1, -0.52))
self.sunLight.NodePath.setShader(self.shaders['directional_light'])
self.sunLight.initShaderInput()
if Game.Shadow_Quality != 0:
self.sunLight.NodePath.setShaderInput("light", self.bufferCam['shadow'])
self.sunLight.NodePath.setShaderInput("DirectionalLight.shadowMap", self.bufferTex['Shadow'])
self.sunLight.NodePath.setShaderInput("shadowMapScale", LVecBase2f(1.0 / Game.Shadow_Map_Size))
self.sunLight.NodePath.reparentTo(self.quadRoot)
self.pointLight = IWPointLight("pointLight", self.sphere)
self.pointLight.light.setColor(LVecBase4f(5.0, 5.0, 1.2, 1.0))
self.pointLight.light.setSpecularColor(LVecBase4f(5.0, 5.0, 2.5, 1.0))
self.pointLight.NodePath.setPos(LVecBase3f(15, 0, 1))
self.pointLight.light.setAttenuation(LVecBase3f(1.0, 0.7, 1.8))
self.pointLight.NodePath.setShader(self.shaders['point_light'])
self.pointLight.initShaderInput()
self.pointLight.calScale()
self.pointLight.NodePath.reparentTo(self.lightVolumeRoot)
def InitModels(self):
# 初始化模型根节点
self.InitModelRoots()
# 加载杂项模型
self.InitModelMisc()
# 将最后的结果显示在一个屏幕大小的四边形上
self.finalQuad = self.render2d.attachNewNode(PandaNode("finalQuad"))
self.quad.instanceTo(self.finalQuad)
self.finalQuad.setTexture(self.bufferTex['Light'])
self.sponza = self.loader.loadModel("models/sponza/sponza.bam")
self.sponza.reparentTo(self.modelRoot)
self.sponza.setScale(0.1, 0.1, 0.1)
def InitModelRoots(self):
# 全部不透明模型的根节点
self.modelRoot = NodePath(PandaNode("model root"))
self.modelRoot.reparentTo(self.render)
self.modelRoot.hide(BitMask32.allOn())
self.modelRoot.show(BitMask32(self.mask['model']))
# 全部满屏幕四边形的根节点
self.quadRoot = NodePath(PandaNode("quad root"))
self.quadRoot.reparentTo(self.camera)
self.quadRoot.hide(BitMask32.allOn())
self.quadRoot.show(BitMask32(self.mask['quad']))
# 全部有体积的光源（点光源/聚光灯）的根节点
self.lightVolumeRoot = NodePath(PandaNode("light root"))
self.lightVolumeRoot.reparentTo(self.render)
self.lightVolumeRoot.hide(BitMask32.allOn())
self.lightVolumeRoot.show(BitMask32(self.mask['light-volume']))
def InitModelMisc(self):
# 屏幕大小四边形
self.quad = self.makeQuad()
self.quad.reparentTo(self.quadRoot)
# 球体（点光源）
self.sphere = self.loader.loadModel("models/misc/sphere")
# 光椎（聚光灯）
self.cone = self.loader.loadModel("models/misc/cone")
# 天空盒
self.skybox = self.loader.loadModel("models/misc/skybox")
self.skybox.reparentTo(self.camera)
self.skybox.hide(BitMask32.allOn())
self.skybox.show(BitMask32(self.mask['skybox']))
def InitKeysBinding(self):
self.keys = {}
for key in ['w', 'a', 's', 'd']:
self.keys[key] = 0
self.accept(key, self.push_key, [key, 1])
self.accept('%s-up' % key, self.push_key, [key, 0])
# Debug
self.accept('1', self.set_card, [self.bufferTex['Skybox']])
self.accept('2', self.set_card, [self.bufferTex['Diffuse']])
self.accept('3', self.set_card, [self.bufferTex['Normal']])
self.accept('4', self.set_card, [self.bufferTex['Specular']])
if Game.Shadow_Quality != 0:
self.accept('4', self.set_card, [self.bufferTex['Shadow']])
self.accept('5', self.set_card, [self.bufferTex['Light']])
self.accept('escape', __import__('sys').exit, [0])
def makeQuad(self):
# Make a full screen quad.
vdata = GeomVertexData("vdata", GeomVertexFormat.getV3t2(),Geom.UHStatic)
vertex = GeomVertexWriter(vdata, 'vertex')
texcoord = GeomVertexWriter(vdata, 'texcoord')
# vertex.addData3f(-1, 0, 1)
# texcoord.addData2f(0, 1)
vertex.addData3f(-1, 0, 3)
texcoord.addData2f(0, 2)
# vertex.addData3f(-1, 0, -1)
# texcoord.addData2f(0, 0)
vertex.addData3f(-1, 0, -1)
texcoord.addData2f(0, 0)
# vertex.addData3f(1, 0, -1)
# texcoord.addData2f(1, 0)
vertex.addData3f(3, 0, -1)
texcoord.addData2f(2, 0)
# vertex.addData3f(1, 0, 1)
# texcoord.addData2f(1, 1)
prim = GeomTriangles(Geom.UHStatic)
prim.addVertices(0, 1, 2)
# prim.addVertices(0, 2, 3)
geom = Geom(vdata)
geom.addPrimitive(prim)
node = GeomNode('quad')
node.addGeom(geom)
return NodePath(node)
def makeFBO(self, name, auxrgba, rgbabit = 8):
winprops = WindowProperties()
props = FrameBufferProperties()
props.setRgbColor(True)
props.setRgbaBits(rgbabit, rgbabit, rgbabit, rgbabit)
props.setDepthBits(1)
props.setAuxRgba(auxrgba)
return self.graphicsEngine.makeOutput(
self.pipe, name, -2, props, winprops,
GraphicsPipe.BFSizeTrackHost | GraphicsPipe.BFCanBindEvery |
GraphicsPipe.BFRttCumulative | GraphicsPipe.BFRefuseWindow,
self.win.getGsg(), self.win)
def makeShadowFBO(self, name, size):
winprops = WindowProperties.size(size, size)
props = FrameBufferProperties()
props.setRgbColor(True)
props.setDepthBits(1)
return self.graphicsEngine.makeOutput(
self.pipe, name, -2, props, winprops,
GraphicsPipe.BFRefuseWindow,
self.win.getGsg(), self.win)
def updateCamera(self, task):
deltaTime = globalClock.getDt() # To get the time (in seconds) since the last frame was drawn
X = deltaTime * Game.Camera_Speed * (self.keys['a'] - self.keys['d'])
Y = deltaTime * Game.Camera_Speed * (self.keys['w'] - self.keys['s'])
self.camera.setPos(self.camera, -X, Y, 0)
if base.mouseWatcherNode.hasMouse():
mpos = base.mouseWatcherNode.getMouse() # get the mouse position
self.recenterMouse()
newHpr = self.camera.getHpr() + (mpos.getX() * -Game.Mouse_Sensitivity, mpos.getY() * Game.Mouse_Sensitivity, 0.0)
if newHpr.y > 90.0:
newHpr.y = 90.0
elif newHpr.y < -90.0:
newHpr.y = -90.0
self.camera.setHpr(newHpr)
return Task.cont
def push_key(self, key, value):
self.keys[key] = value
def set_card(self, tex):
self.finalQuad.setTexture(tex)
def recenterMouse(self):
self.win.movePointer(0,
int(Game.Win_Size_X / 2),
int(Game.Win_Size_Y / 2))
game = Game()
game.run()