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main.cxx
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main.cxx
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/*
(C) 2019 David Lettier
lettier.com
*/
#include <thread>
#include <unistd.h>
#include <random>
#include <string>
#include <chrono>
#include <thread>
#include <algorithm>
#include "pandaFramework.h" // Panda3D 1.10.9
#include "renderBuffer.h"
#include "load_prc_file.h"
#include "pStatClient.h"
#include "pandaSystem.h"
#include "mouseButton.h"
#include "mouseWatcher.h"
#include "buttonRegistry.h"
#include "orthographicLens.h"
#include "ambientLight.h"
#include "directionalLight.h"
#include "pointLight.h"
#include "spotlight.h"
#include "shader.h"
#include "nodePathCollection.h"
#include "auto_bind.h"
#include "animControlCollection.h"
#include "cardMaker.h"
#include "fontPool.h"
#include "texturePool.h"
#include "particleSystemManager.h"
#include "physicsManager.h"
#include "spriteParticleRenderer.h"
#include "pointParticleFactory.h"
#include "pointEmitter.h"
#include "physicalNode.h"
#include "forceNode.h"
#include "linearNoiseForce.h"
#include "linearVectorForce.h"
#include "linearJitterForce.h"
#include "linearCylinderVortexForce.h"
#include "linearEulerIntegrator.h"
#include "audioManager.h"
#include "audioSound.h"
// STRUCTURES
struct FramebufferTexture
{ PT(GraphicsOutput) buffer
; PT(DisplayRegion) bufferRegion
; PT(Camera) camera
; NodePath cameraNP
; NodePath shaderNP
;
};
struct FramebufferTextureArguments
{ PT(WindowFramework) window
; PT(GraphicsOutput) graphicsOutput
; PT(GraphicsEngine) graphicsEngine
; GraphicsOutput::RenderTexturePlane bitplane
; LVecBase4 rgbaBits
; LColor clearColor
; int aux_rgba
; bool setFloatColor
; bool setSrgbColor
; bool setRgbColor
; bool useScene
; std::string name
;
};
// END STRUCTURES
// FUNCTIONS
void generateLights
( NodePath render
, bool showLights
);
void generateWindowLight
( std::string name
, NodePath render
, LVecBase3 position
, bool show
);
float animateLights
( NodePath render
, AnimControlCollection shuttersAnimationCollection
, float delta
, float speed
, bool& closedShutters
, bool middayDown
, bool midnightDown
);
PT(Shader) loadShader
( std::string vert
, std::string frag
);
FramebufferTexture generateFramebufferTexture
( FramebufferTextureArguments framebufferTextureArguments
);
PTA_LVecBase3f generateSsaoSamples
( int numberOfSamples
);
PTA_LVecBase3f generateSsaoNoise
( int numberOfNoise
);
void showBuffer
( NodePath render2d
, NodePath statusNP
, std::tuple<std::string, PT(GraphicsOutput), int> bufferTexture
, bool alpha
);
void hideBuffer
( NodePath render2d
);
int microsecondsSinceEpoch
(
);
bool isButtonDown
( PT(MouseWatcher) mouseWatcher
, std::string character
);
PT(MouseWatcher) getMouseWatcher
( WindowFramework* window
);
void setSoundOff
( PT(AudioSound) sound
);
void setSoundOn
( PT(AudioSound) sound
);
void setSoundState
( PT(AudioSound) sound
, bool on
);
void updateAudoManager
( NodePath sceneRootNP
, NodePath cameraNP
);
LVecBase3f calculateCameraPosition
( double radius
, double phi
, double theta
, LVecBase3 cameraLookAt
);
LVecBase3f calculateCameraLookAt
( double upDownAdjust
, double leftRightAdjust
, double phi
, double theta
, LVecBase3 lookAt
);
NodePath setUpParticles
( NodePath render
, PT(Texture) smokeTexture
);
void squashGeometry
( NodePath environmentNP
);
double microsecondToSecond
( int m
);
double toRadians
( double d
);
LVecBase2f makeEnabledVec
( int t
);
LVecBase2f toggleEnabledVec
( LVecBase2f vec
);
void setTextureToNearestAndClamp
( PT(Texture) texture
);
LColor mixColor
( LColor a
, LColor b
, float amount
);
// END FUNCTIONS
// GLOBALS
const float TO_RAD = M_PI / 180.0;
const LVecBase2f PI_SHADER_INPUT = LVecBase2f(M_PI, TO_RAD);
const float GAMMA = 2.2;
const float GAMMA_REC = 1.0 / GAMMA;
const LVecBase2f GAMMA_SHADER_INPUT = LVecBase2f(GAMMA, GAMMA_REC);
const int BACKGROUND_RENDER_SORT_ORDER = 10;
const int UNSORTED_RENDER_SORT_ORDER = 50;
const int SSAO_SAMPLES = 8;
const int SSAO_NOISE = 4;
const int SHADOW_SIZE = 2048;
LVecBase4f sunlightColor0 =
LVecBase4f
( 0.612
, 0.365
, 0.306
, 1
);
LVecBase4f sunlightColor1 =
LVecBase4f
( 0.765
, 0.573
, 0.400
, 1
);
LVecBase4f moonlightColor0 =
LVecBase4f
( 0.247
, 0.384
, 0.404
, 1
);
LVecBase4f moonlightColor1 =
LVecBase4f
( 0.392
, 0.537
, 0.571
, 1
);
LVecBase4f windowLightColor =
LVecBase4f
( 0.765
, 0.573
, 0.400
, 1
);
std::uniform_real_distribution<float>
randomFloats
( 0.0
, 1.0
);
std::default_random_engine generator;
PT(AsyncTaskManager) taskManager = AsyncTaskManager::get_global_ptr();
PT(AudioManager) audioManager = AudioManager::create_AudioManager();
ParticleSystemManager particleSystemManager = ParticleSystemManager();
PhysicsManager physicsManager = PhysicsManager();
// END GLOBALS
// MAIN
int main
( int argc
, char *argv[]
) {
LColor backgroundColor [] =
{ LColor
( 0.392
, 0.537
, 0.561
, 1
)
, LColor
( 0.953
, 0.733
, 0.525
, 1
)
};
double cameraRotatePhiInitial = 67.5095;
double cameraRotateThetaInitial = 231.721;
double cameraRotateRadiusInitial = 1100.83;
LVecBase3 cameraLookAtInitial = LVecBase3(1.00839, 1.20764, 5.85055);
float cameraFov = 1.0;
int cameraNear = 150;
int cameraFar = 2000;
LVecBase2f cameraNearFar = LVecBase2f(cameraNear, cameraFar);
double cameraRotateRadius = cameraRotateRadiusInitial;
double cameraRotatePhi = cameraRotatePhiInitial;
double cameraRotateTheta = cameraRotateThetaInitial;
LVecBase3 cameraLookAt = cameraLookAtInitial;
float fogNearInitial = 2.0;
float fogFarInitial = 9.0;
float fogNear = fogNearInitial;
float fogFar = fogFarInitial;
float fogAdjust = 0.1;
LVecBase2f foamDepthInitial = LVecBase2f(1.5, 1.5);
float foamDepthAdjust = 0.1;
LVecBase2f foamDepth = foamDepthInitial;
LVecBase2f mouseThen = LVecBase2f(0.0, 0.0);
LVecBase2f mouseNow = mouseThen;
bool mouseWheelDown = false;
bool mouseWheelUp = false;
LVecBase2f riorInitial = LVecBase2f(1.05, 1.05);
float riorAdjust = 0.005;
LVecBase2f rior = riorInitial;
LVecBase2f mouseFocusPointInitial = LVecBase2f(0.509167, 0.598);
LVecBase2f mouseFocusPoint = mouseFocusPointInitial;
float sunlightP = 260;
bool animateSunlight = true;
bool soundEnabled = true;
bool soundStarted = false;
float startSoundAt = 0.5;
bool closedShutters = true;
float statusAlpha = 1.0;
LColor statusColor = LColor(0.9, 0.9, 1.0, statusAlpha);
LColor statusShadowColor = LColor(0.1, 0.1, 0.3, statusAlpha);
float statusFadeRate = 2.0;
std::string statusText = "Ready";
LVecBase2f ssaoEnabled = makeEnabledVec(1);
LVecBase2f blinnPhongEnabled = makeEnabledVec(1);
LVecBase2f fresnelEnabled = makeEnabledVec(1);
LVecBase2f rimLightEnabled = makeEnabledVec(1);
LVecBase2f refractionEnabled = makeEnabledVec(1);
LVecBase2f reflectionEnabled = makeEnabledVec(1);
LVecBase2f fogEnabled = makeEnabledVec(1);
LVecBase2f outlineEnabled = makeEnabledVec(1);
LVecBase2f celShadingEnabled = makeEnabledVec(1);
LVecBase2f normalMapsEnabled = makeEnabledVec(1);
LVecBase2f bloomEnabled = makeEnabledVec(1);
LVecBase2f sharpenEnabled = makeEnabledVec(1);
LVecBase2f depthOfFieldEnabled = makeEnabledVec(1);
LVecBase2f filmGrainEnabled = makeEnabledVec(1);
LVecBase2f flowMapsEnabled = makeEnabledVec(1);
LVecBase2f lookupTableEnabled = makeEnabledVec(1);
LVecBase2f painterlyEnabled = makeEnabledVec(0);
LVecBase2f motionBlurEnabled = makeEnabledVec(0);
LVecBase2f posterizeEnabled = makeEnabledVec(0);
LVecBase2f pixelizeEnabled = makeEnabledVec(0);
LVecBase2f chromaticAberrationEnabled = makeEnabledVec(1);
LVecBase4 rgba8 = ( 8, 8, 8, 8);
LVecBase4 rgba16 = (16, 16, 16, 16);
LVecBase4 rgba32 = (32, 32, 32, 32);
load_prc_file("panda3d-prc-file.prc");
PT(TextFont) font = FontPool::load_font("fonts/font.ttf");
std::vector<PT(AudioSound)> sounds =
{ audioManager->get_sound("sounds/wheel.ogg", true)
, audioManager->get_sound("sounds/water.ogg", true)
};
PT(Texture) blankTexture = TexturePool::load_texture("images/blank.png");
PT(Texture) foamPatternTexture = TexturePool::load_texture("images/foam-pattern.png");
PT(Texture) stillFlowTexture = TexturePool::load_texture("images/still-flow.png");
PT(Texture) upFlowTexture = TexturePool::load_texture("images/up-flow.png");
PT(Texture) colorLookupTableTextureN = TexturePool::load_texture("images/lookup-table-neutral.png");
PT(Texture) colorLookupTableTexture0 = TexturePool::load_texture("images/lookup-table-0.png");
PT(Texture) colorLookupTableTexture1 = TexturePool::load_texture("images/lookup-table-1.png");
PT(Texture) smokeTexture = TexturePool::load_texture("images/smoke.png");
PT(Texture) colorNoiseTexture = TexturePool::load_texture("images/color-noise.png");
setTextureToNearestAndClamp(colorLookupTableTextureN);
setTextureToNearestAndClamp(colorLookupTableTexture0);
setTextureToNearestAndClamp(colorLookupTableTexture1);
PandaFramework framework;
framework.open_framework(argc, argv);
framework.set_window_title("3D Game Shaders For Beginners By David Lettier");
PT(WindowFramework) window = framework.open_window();
PT(GraphicsWindow) graphicsWindow = window->get_graphics_window();
PT(GraphicsOutput) graphicsOutput = window->get_graphics_output();
PT(GraphicsStateGuardian) graphicsStateGuardian = graphicsOutput->get_gsg();
PT(GraphicsEngine) graphicsEngine = graphicsStateGuardian->get_engine();
window->enable_keyboard();
PT(DisplayRegion) displayRegion3d = window->get_display_region_3d();
displayRegion3d->set_clear_color_active(true);
displayRegion3d->set_clear_depth_active(true);
displayRegion3d->set_clear_stencil_active(true);
displayRegion3d->set_clear_color(backgroundColor[1]);
displayRegion3d->set_clear_depth(1.0f);
displayRegion3d->set_clear_stencil(0);
NodePath render = window->get_render();
NodePath render2d = window->get_render_2d();
PT(TextNode) status = new TextNode("status");
status->set_font(font);
status->set_text(statusText);
status->set_text_color(statusColor);
status->set_shadow(0.0, 0.06);
status->set_shadow_color(statusShadowColor);
NodePath statusNP = render2d.attach_new_node(status);
statusNP.set_scale(0.05);
statusNP.set_pos(-0.96, 0, -0.95);
PT(MouseWatcher) mouseWatcher = getMouseWatcher(window);
PT(Camera) mainCamera = window->get_camera(0);
PT(Lens) mainLens = mainCamera->get_lens();
mainLens->set_fov(cameraFov);
mainLens->set_near_far(cameraNear, cameraFar);
NodePath cameraNP = window->get_camera_group();
cameraNP.set_pos
( calculateCameraPosition
( cameraRotateRadius
, cameraRotatePhi
, cameraRotateTheta
, cameraLookAt
)
);
cameraNP.look_at(cameraLookAt);
PT(PandaNode) sceneRootPN = new PandaNode("sceneRoot");
NodePath sceneRootNP = NodePath(sceneRootPN);
sceneRootNP.reparent_to(render);
NodePath environmentNP =
window
->load_model
( framework.get_models()
, "eggs/mill-scene/mill-scene.bam"
);
environmentNP.reparent_to(sceneRootNP);
NodePath shuttersNP =
window
->load_model
( framework.get_models()
, "eggs/mill-scene/shutters.bam"
);
shuttersNP.reparent_to(sceneRootNP);
NodePath weatherVaneNP =
window
->load_model
( framework.get_models()
, "eggs/mill-scene/weather-vane.bam"
);
weatherVaneNP.reparent_to(sceneRootNP);
NodePath bannerNP =
window
->load_model
( framework.get_models()
, "eggs/mill-scene/banner.bam"
);
bannerNP.reparent_to(sceneRootNP);
NodePath wheelNP = environmentNP.find("**/wheel-lp");
NodePath waterNP = environmentNP.find("**/water-lp");
squashGeometry(environmentNP);
NodePath smokeNP = setUpParticles(render, smokeTexture);
waterNP.set_transparency(TransparencyAttrib::M_dual);
waterNP.set_bin("fixed", 0);
AnimControlCollection shuttersAnimationCollection;
AnimControlCollection weatherVaneAnimationCollection;
AnimControlCollection bannerAnimationCollection;
auto_bind
( shuttersNP.node()
, shuttersAnimationCollection
, PartGroup::HMF_ok_wrong_root_name
| PartGroup::HMF_ok_part_extra
| PartGroup::HMF_ok_anim_extra
);
auto_bind
( weatherVaneNP.node()
, weatherVaneAnimationCollection
, PartGroup::HMF_ok_wrong_root_name
| PartGroup::HMF_ok_part_extra
| PartGroup::HMF_ok_anim_extra
);
auto_bind
( bannerNP.node()
, bannerAnimationCollection
, PartGroup::HMF_ok_wrong_root_name
| PartGroup::HMF_ok_part_extra
| PartGroup::HMF_ok_anim_extra
);
generateLights(render, false);
PT(Shader) discardShader = loadShader("discard", "discard");
PT(Shader) baseShader = loadShader("base", "base");
PT(Shader) geometryBufferShader0 = loadShader("base", "geometry-buffer-0");
PT(Shader) geometryBufferShader1 = loadShader("base", "geometry-buffer-1");
PT(Shader) geometryBufferShader2 = loadShader("base", "geometry-buffer-2");
PT(Shader) foamShader = loadShader("basic", "foam");
PT(Shader) fogShader = loadShader("basic", "fog");
PT(Shader) boxBlurShader = loadShader("basic", "box-blur");
PT(Shader) motionBlurShader = loadShader("basic", "motion-blur");
PT(Shader) kuwaharaFilterShader = loadShader("basic", "kuwahara-filter");
PT(Shader) dilationShader = loadShader("basic", "dilation");
PT(Shader) sharpenShader = loadShader("basic", "sharpen");
PT(Shader) outlineShader = loadShader("basic", "outline");
PT(Shader) bloomShader = loadShader("basic", "bloom");
PT(Shader) ssaoShader = loadShader("basic", "ssao");
PT(Shader) screenSpaceRefractionShader = loadShader("basic", "screen-space-refraction");
PT(Shader) screenSpaceReflectionShader = loadShader("basic", "screen-space-reflection");
PT(Shader) refractionShader = loadShader("basic", "refraction");
PT(Shader) reflectionColorShader = loadShader("basic", "reflection-color");
PT(Shader) reflectionShader = loadShader("basic", "reflection");
PT(Shader) baseCombineShader = loadShader("basic", "base-combine");
PT(Shader) sceneCombineShader = loadShader("basic", "scene-combine");
PT(Shader) depthOfFieldShader = loadShader("basic", "depth-of-field");
PT(Shader) posterizeShader = loadShader("basic", "posterize");
PT(Shader) pixelizeShader = loadShader("basic", "pixelize");
PT(Shader) filmGrainShader = loadShader("basic", "film-grain");
PT(Shader) lookupTableShader = loadShader("basic", "lookup-table");
PT(Shader) gammaCorrectionShader = loadShader("basic", "gamma-correction");
PT(Shader) chromaticAberrationShader = loadShader("basic", "chromatic-aberration");
NodePath mainCameraNP = NodePath("mainCamera");
mainCameraNP.set_shader(discardShader);
mainCamera->set_initial_state(mainCameraNP.get_state());
NodePath isWaterNP = NodePath("isWater");
isWaterNP.set_shader_input("isWater", LVecBase2f(1.0, 1.0));
isWaterNP.set_shader_input("flowTexture", upFlowTexture);
isWaterNP.set_shader_input("foamPatternTexture", foamPatternTexture);
NodePath isSmokeNP = NodePath("isSmoke");
isSmokeNP.set_shader_input("isSmoke", LVecBase2f(1.0, 1.0));
isSmokeNP.set_shader_input("isParticle", LVecBase2f(1.0, 1.0));
LMatrix4 currentViewWorldMat = cameraNP.get_transform(render)->get_mat();
LMatrix4 previousViewWorldMat = previousViewWorldMat;
FramebufferTextureArguments framebufferTextureArguments;
framebufferTextureArguments.window = window;
framebufferTextureArguments.graphicsOutput = graphicsOutput;
framebufferTextureArguments.graphicsEngine = graphicsEngine;
framebufferTextureArguments.bitplane = GraphicsOutput::RTP_color;
framebufferTextureArguments.rgbaBits = rgba32;
framebufferTextureArguments.clearColor = LColor(0, 0, 0, 0);
framebufferTextureArguments.aux_rgba = 1;
framebufferTextureArguments.setFloatColor = true;
framebufferTextureArguments.setSrgbColor = false;
framebufferTextureArguments.setRgbColor = true;
framebufferTextureArguments.useScene = true;
framebufferTextureArguments.name = "geometry0";
FramebufferTexture geometryFramebufferTexture0 =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) geometryBuffer0 = geometryFramebufferTexture0.buffer;
PT(Camera) geometryCamera0 = geometryFramebufferTexture0.camera;
NodePath geometryNP0 = geometryFramebufferTexture0.shaderNP;
geometryBuffer0->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_0
);
geometryBuffer0->set_clear_active(3, true);
geometryBuffer0->set_clear_value( 3, framebufferTextureArguments.clearColor);
geometryNP0.set_shader(geometryBufferShader0);
geometryNP0.set_shader_input("normalMapsEnabled", normalMapsEnabled);
geometryCamera0->set_initial_state(geometryNP0.get_state());
geometryCamera0->set_camera_mask(BitMask32::bit(1));
PT(Texture) positionTexture0 = geometryBuffer0->get_texture(0);
PT(Texture) normalTexture0 = geometryBuffer0->get_texture(1);
PT(Lens) geometryCameraLens0 = geometryCamera0->get_lens();
waterNP.hide(BitMask32::bit(1));
smokeNP.hide(BitMask32::bit(1));
framebufferTextureArguments.aux_rgba = 4;
framebufferTextureArguments.name = "geometry1";
FramebufferTexture geometryFramebufferTexture1 =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) geometryBuffer1 = geometryFramebufferTexture1.buffer;
PT(Camera) geometryCamera1 = geometryFramebufferTexture1.camera;
NodePath geometryNP1 = geometryFramebufferTexture1.shaderNP;
geometryBuffer1->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_0
);
geometryBuffer1->set_clear_active(3, true);
geometryBuffer1->set_clear_value( 3, framebufferTextureArguments.clearColor);
geometryBuffer1->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_1
);
geometryBuffer1->set_clear_active(4, true);
geometryBuffer1->set_clear_value( 4, framebufferTextureArguments.clearColor);
geometryBuffer1->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_2
);
geometryBuffer1->set_clear_active(5, true);
geometryBuffer1->set_clear_value( 5, framebufferTextureArguments.clearColor);
geometryBuffer1->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_3
);
geometryBuffer1->set_clear_active(6, true);
geometryBuffer1->set_clear_value( 6, framebufferTextureArguments.clearColor);
geometryNP1.set_shader(geometryBufferShader1);
geometryNP1.set_shader_input("normalMapsEnabled", normalMapsEnabled);
geometryNP1.set_shader_input("flowTexture", stillFlowTexture);
geometryNP1.set_shader_input("foamPatternTexture", blankTexture);
geometryNP1.set_shader_input("flowMapsEnabled", flowMapsEnabled);
geometryCamera1->set_initial_state(geometryNP1.get_state());
geometryCamera1->set_tag_state_key("geometryBuffer1");
geometryCamera1->set_tag_state("isWater", isWaterNP.get_state());
geometryCamera1->set_camera_mask(BitMask32::bit(2));
PT(Texture) positionTexture1 = geometryBuffer1->get_texture(0);
PT(Texture) normalTexture1 = geometryBuffer1->get_texture(1);
PT(Texture) reflectionMaskTexture = geometryBuffer1->get_texture(2);
PT(Texture) refractionMaskTexture = geometryBuffer1->get_texture(3);
PT(Texture) foamMaskTexture = geometryBuffer1->get_texture(4);
PT(Lens) geometryCameraLens1 = geometryCamera1->get_lens();
waterNP.set_tag("geometryBuffer1", "isWater");
smokeNP.hide(BitMask32::bit(2));
framebufferTextureArguments.aux_rgba = 1;
framebufferTextureArguments.name = "geometry2";
FramebufferTexture geometryFramebufferTexture2 =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) geometryBuffer2 = geometryFramebufferTexture2.buffer;
PT(Camera) geometryCamera2 = geometryFramebufferTexture2.camera;
NodePath geometryNP2 = geometryFramebufferTexture2.shaderNP;
geometryBuffer2->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_0
);
geometryBuffer2->set_clear_active(3, true);
geometryBuffer2->set_clear_value( 3, framebufferTextureArguments.clearColor);
geometryBuffer2->set_sort(geometryBuffer1->get_sort() + 1);
geometryNP2.set_shader(geometryBufferShader2);
geometryNP2.set_shader_input("isSmoke", LVecBase2f(0, 0));
geometryNP2.set_shader_input("positionTexture", positionTexture1);
geometryCamera2->set_initial_state(geometryNP2.get_state());
geometryCamera2->set_tag_state_key("geometryBuffer2");
geometryCamera2->set_tag_state("isSmoke", isSmokeNP.get_state());
smokeNP.set_tag("geometryBuffer2", "isSmoke");
PT(Texture) positionTexture2 = geometryBuffer2->get_texture(0);
PT(Texture) smokeMaskTexture = geometryBuffer2->get_texture(1);
PT(Lens) geometryCameraLens2 = geometryCamera2->get_lens();
framebufferTextureArguments.rgbaBits = rgba8;
framebufferTextureArguments.aux_rgba = 0;
framebufferTextureArguments.clearColor = LColor(0, 0, 0, 0);
framebufferTextureArguments.setFloatColor = false;
framebufferTextureArguments.useScene = false;
framebufferTextureArguments.name = "fog";
FramebufferTexture fogFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) fogBuffer = fogFramebufferTexture.buffer;
PT(Camera) fogCamera = fogFramebufferTexture.camera;
NodePath fogNP = fogFramebufferTexture.shaderNP;
fogBuffer->set_sort(geometryBuffer2->get_sort() + 1);
fogNP.set_shader(fogShader);
fogNP.set_shader_input("pi", PI_SHADER_INPUT);
fogNP.set_shader_input("gamma", GAMMA_SHADER_INPUT);
fogNP.set_shader_input("backgroundColor0", backgroundColor[0]);
fogNP.set_shader_input("backgroundColor1", backgroundColor[1]);
fogNP.set_shader_input("positionTexture0", positionTexture1);
fogNP.set_shader_input("positionTexture1", positionTexture2);
fogNP.set_shader_input("smokeMaskTexture", smokeMaskTexture);
fogNP.set_shader_input("sunPosition", LVecBase2f(sunlightP, 0));
fogNP.set_shader_input("origin", cameraNP.get_relative_point(render, environmentNP.get_pos()));
fogNP.set_shader_input("nearFar", LVecBase2f(fogNear, fogFar));
fogNP.set_shader_input("enabled", fogEnabled);
fogCamera->set_initial_state(fogNP.get_state());
PT(Texture) fogTexture = fogBuffer->get_texture();
framebufferTextureArguments.clearColor = LColor(1, 1, 1, 0);
framebufferTextureArguments.name = "ssao";
FramebufferTexture ssaoFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) ssaoBuffer = ssaoFramebufferTexture.buffer;
PT(Camera) ssaoCamera = ssaoFramebufferTexture.camera;
NodePath ssaoNP = ssaoFramebufferTexture.shaderNP;
ssaoBuffer->set_sort(geometryBuffer0->get_sort() + 1);
ssaoNP.set_shader(ssaoShader);
ssaoNP.set_shader_input("positionTexture", positionTexture0);
ssaoNP.set_shader_input("normalTexture", normalTexture0);
ssaoNP.set_shader_input("samples", generateSsaoSamples(SSAO_SAMPLES));
ssaoNP.set_shader_input("noise", generateSsaoNoise(SSAO_NOISE));
ssaoNP.set_shader_input("lensProjection", geometryCameraLens0->get_projection_mat());
ssaoNP.set_shader_input("enabled", ssaoEnabled);
ssaoCamera->set_initial_state(ssaoNP.get_state());
framebufferTextureArguments.name = "ssaoBlur";
FramebufferTexture ssaoBlurFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) ssaoBlurBuffer = ssaoBlurFramebufferTexture.buffer;
NodePath ssaoBlurNP = ssaoBlurFramebufferTexture.shaderNP;
ssaoBlurBuffer->set_sort(ssaoBuffer->get_sort() + 1);
ssaoBlurNP.set_shader(kuwaharaFilterShader);
ssaoBlurNP.set_shader_input("colorTexture", ssaoBuffer->get_texture());
ssaoBlurNP.set_shader_input("parameters", LVecBase2f(1, 0));
ssaoBlurFramebufferTexture.camera->set_initial_state(ssaoBlurNP.get_state());
PT(Texture) ssaoBlurTexture = ssaoBlurBuffer->get_texture();
framebufferTextureArguments.rgbaBits = rgba16;
framebufferTextureArguments.clearColor = LColor(0, 0, 0, 0);
framebufferTextureArguments.name = "refractionUv";
FramebufferTexture refractionUvFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) refractionUvBuffer = refractionUvFramebufferTexture.buffer;
PT(Camera) refractionUvCamera = refractionUvFramebufferTexture.camera;
NodePath refractionUvNP = refractionUvFramebufferTexture.shaderNP;
refractionUvBuffer->set_sort(geometryBuffer1->get_sort() + 1);
refractionUvNP.set_shader(screenSpaceRefractionShader);
refractionUvNP.set_shader_input("positionFromTexture", positionTexture1);
refractionUvNP.set_shader_input("positionToTexture", positionTexture0);
refractionUvNP.set_shader_input("normalFromTexture", normalTexture1);
refractionUvNP.set_shader_input("lensProjection", geometryCameraLens0->get_projection_mat());
refractionUvNP.set_shader_input("enabled", refractionEnabled);
refractionUvNP.set_shader_input("rior", rior);
refractionUvCamera->set_initial_state(refractionUvNP.get_state());
PT(Texture) refractionUvTexture = refractionUvBuffer->get_texture();
framebufferTextureArguments.name = "reflectionUv";
FramebufferTexture reflectionUvFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) reflectionUvBuffer = reflectionUvFramebufferTexture.buffer;
PT(Camera) reflectionUvCamera = reflectionUvFramebufferTexture.camera;
NodePath reflectionUvNP = reflectionUvFramebufferTexture.shaderNP;
reflectionUvBuffer->set_sort(geometryBuffer1->get_sort() + 1);
reflectionUvNP.set_shader(screenSpaceReflectionShader);
reflectionUvNP.set_shader_input("positionTexture", positionTexture1);
reflectionUvNP.set_shader_input("normalTexture", normalTexture1);
reflectionUvNP.set_shader_input("maskTexture", reflectionMaskTexture);
reflectionUvNP.set_shader_input("lensProjection", geometryCameraLens0->get_projection_mat());
reflectionUvNP.set_shader_input("enabled", reflectionEnabled);
reflectionUvCamera->set_initial_state(reflectionUvNP.get_state());
PT(Texture) reflectionUvTexture = reflectionUvBuffer->get_texture();
framebufferTextureArguments.rgbaBits = rgba8;
framebufferTextureArguments.aux_rgba = 1;
framebufferTextureArguments.useScene = true;
framebufferTextureArguments.name = "base";
FramebufferTexture baseFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) baseBuffer = baseFramebufferTexture.buffer;
PT(Camera) baseCamera = baseFramebufferTexture.camera;
NodePath baseNP = baseFramebufferTexture.shaderNP;
baseBuffer->add_render_texture
( NULL
, GraphicsOutput::RTM_bind_or_copy
, GraphicsOutput::RTP_aux_rgba_0
);
baseBuffer->set_clear_active(3, true);
baseBuffer->set_clear_value( 3, framebufferTextureArguments.clearColor);
baseBuffer->set_sort
( std::max
( ssaoBlurBuffer->get_sort() + 1
, UNSORTED_RENDER_SORT_ORDER + 1
)
);
baseNP.set_shader(baseShader);
baseNP.set_shader_input("pi", PI_SHADER_INPUT);
baseNP.set_shader_input("gamma", GAMMA_SHADER_INPUT);
baseNP.set_shader_input("ssaoBlurTexture", ssaoBlurTexture);
baseNP.set_shader_input("flowTexture", stillFlowTexture);
baseNP.set_shader_input("normalMapsEnabled", normalMapsEnabled);
baseNP.set_shader_input("blinnPhongEnabled", blinnPhongEnabled);
baseNP.set_shader_input("fresnelEnabled", fresnelEnabled);
baseNP.set_shader_input("rimLightEnabled", rimLightEnabled);
baseNP.set_shader_input("celShadingEnabled", celShadingEnabled);
baseNP.set_shader_input("flowMapsEnabled", flowMapsEnabled);
baseNP.set_shader_input("specularOnly", LVecBase2f(0, 0));
baseNP.set_shader_input("isParticle", LVecBase2f(0, 0));
baseNP.set_shader_input("isWater", LVecBase2f(0, 0));
baseNP.set_shader_input("sunPosition", LVecBase2f(sunlightP, 0));
baseCamera->set_initial_state(baseNP.get_state());
baseCamera->set_tag_state_key("baseBuffer");
baseCamera->set_tag_state("isParticle", isSmokeNP.get_state());
baseCamera->set_tag_state("isWater", isWaterNP.get_state());
baseCamera->set_camera_mask(BitMask32::bit(6));
smokeNP.set_tag("baseBuffer", "isParticle");
waterNP.set_tag("baseBuffer", "isWater");
PT(Texture) baseTexture = baseBuffer->get_texture(0);
PT(Texture) specularTexture = baseBuffer->get_texture(1);
framebufferTextureArguments.aux_rgba = 0;
framebufferTextureArguments.useScene = false;
framebufferTextureArguments.name = "refraction";
FramebufferTexture refractionFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) refractionBuffer = refractionFramebufferTexture.buffer;
PT(Camera) refractionCamera = refractionFramebufferTexture.camera;
NodePath refractionNP = refractionFramebufferTexture.shaderNP;
refractionBuffer->set_sort(baseBuffer->get_sort() + 1);
refractionNP.set_shader(refractionShader);
refractionNP.set_shader_input("pi", PI_SHADER_INPUT);
refractionNP.set_shader_input("gamma", GAMMA_SHADER_INPUT);
refractionNP.set_shader_input("uvTexture", refractionUvTexture);
refractionNP.set_shader_input("maskTexture", refractionMaskTexture);
refractionNP.set_shader_input("positionFromTexture", positionTexture1);
refractionNP.set_shader_input("positionToTexture", positionTexture0);
refractionNP.set_shader_input("backgroundColorTexture", baseTexture);
refractionNP.set_shader_input("sunPosition", LVecBase2f(sunlightP, 0));
refractionCamera->set_initial_state(refractionNP.get_state());
PT(Texture) refractionTexture = refractionBuffer->get_texture();
framebufferTextureArguments.name = "foam";
FramebufferTexture foamFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) foamBuffer = foamFramebufferTexture.buffer;
PT(Camera) foamCamera = foamFramebufferTexture.camera;
NodePath foamNP = foamFramebufferTexture.shaderNP;
foamBuffer->set_sort(geometryBuffer1->get_sort() + 1);
foamNP.set_shader(foamShader);
foamNP.set_shader_input("pi", PI_SHADER_INPUT);
foamNP.set_shader_input("gamma", GAMMA_SHADER_INPUT);
foamNP.set_shader_input("maskTexture", foamMaskTexture);
foamNP.set_shader_input("foamDepth", foamDepth);
foamNP.set_shader_input("sunPosition", LVecBase2f(sunlightP, 0));
foamNP.set_shader_input("viewWorldMat", currentViewWorldMat);
foamNP.set_shader_input("positionFromTexture", positionTexture1);
foamNP.set_shader_input("positionToTexture", positionTexture0);
foamCamera->set_initial_state(foamNP.get_state());
PT(Texture) foamTexture = foamBuffer->get_texture();
framebufferTextureArguments.name = "reflectionColor";
FramebufferTexture reflectionColorFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) reflectionColorBuffer = reflectionColorFramebufferTexture.buffer;
PT(Camera) reflectionColorCamera = reflectionColorFramebufferTexture.camera;
NodePath reflectionColorNP = reflectionColorFramebufferTexture.shaderNP;
reflectionColorBuffer->set_sort(refractionBuffer->get_sort() + 1);
reflectionColorNP.set_shader(reflectionColorShader);
reflectionColorNP.set_shader_input("colorTexture", refractionTexture);
reflectionColorNP.set_shader_input("uvTexture", reflectionUvTexture);
reflectionColorCamera->set_initial_state(reflectionColorNP.get_state());
PT(Texture) reflectionColorTexture = reflectionColorBuffer->get_texture();
framebufferTextureArguments.name = "reflectionColorBlur";
FramebufferTexture reflectionColorBlurFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) reflectionColorBlurBuffer = reflectionColorBlurFramebufferTexture.buffer;
PT(Camera) reflectionColorBlurCamera = reflectionColorBlurFramebufferTexture.camera;
NodePath reflectionColorBlurNP = reflectionColorBlurFramebufferTexture.shaderNP;
reflectionColorBlurBuffer->set_sort(reflectionColorBuffer->get_sort() + 1);
reflectionColorBlurNP.set_shader(boxBlurShader);
reflectionColorBlurNP.set_shader_input("colorTexture", reflectionColorTexture);
reflectionColorBlurNP.set_shader_input("parameters", LVecBase2f(8, 1));
reflectionColorBlurCamera->set_initial_state(reflectionColorBlurNP.get_state());
PT(Texture) reflectionColorBlurTexture = reflectionColorBlurBuffer->get_texture();
framebufferTextureArguments.name = "reflection";
FramebufferTexture reflectionFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) reflectionBuffer = reflectionFramebufferTexture.buffer;
NodePath reflectionNP = reflectionFramebufferTexture.shaderNP;
reflectionBuffer->set_sort(reflectionColorBlurBuffer->get_sort() + 1);
reflectionNP.set_shader(reflectionShader);
reflectionNP.set_shader_input("colorTexture", reflectionColorTexture);
reflectionNP.set_shader_input("colorBlurTexture", reflectionColorBlurTexture);
reflectionNP.set_shader_input("maskTexture", reflectionMaskTexture);
reflectionFramebufferTexture.camera->set_initial_state(reflectionNP.get_state());
PT(Texture) reflectionTexture = reflectionBuffer->get_texture();
framebufferTextureArguments.name = "baseCombine";
FramebufferTexture baseCombineFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) baseCombineBuffer = baseCombineFramebufferTexture.buffer;
PT(Camera) baseCombineCamera = baseCombineFramebufferTexture.camera;
NodePath baseCombineNP = baseCombineFramebufferTexture.shaderNP;
baseCombineBuffer->set_sort(reflectionBuffer->get_sort() + 1);
baseCombineNP.set_shader(baseCombineShader);
baseCombineNP.set_shader_input("baseTexture", baseTexture);
baseCombineNP.set_shader_input("refractionTexture", refractionTexture);
baseCombineNP.set_shader_input("foamTexture", foamTexture);
baseCombineNP.set_shader_input("reflectionTexture", reflectionTexture);
baseCombineNP.set_shader_input("specularTexture", specularTexture);
baseCombineCamera->set_initial_state(baseCombineNP.get_state());
PT(Texture) baseCombineTexture = baseCombineBuffer->get_texture();
framebufferTextureArguments.name = "sharpen";
FramebufferTexture sharpenFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) sharpenBuffer = sharpenFramebufferTexture.buffer;
NodePath sharpenNP = sharpenFramebufferTexture.shaderNP;
sharpenBuffer->set_sort(baseCombineBuffer->get_sort() + 1);
sharpenNP.set_shader(sharpenShader);
sharpenNP.set_shader_input("colorTexture", baseCombineTexture);
sharpenNP.set_shader_input("enabled", sharpenEnabled);
PT(Camera) sharpenCamera = sharpenFramebufferTexture.camera;
sharpenCamera->set_initial_state(sharpenNP.get_state());
PT(Texture) sharpenTexture = sharpenBuffer->get_texture();
framebufferTextureArguments.name = "posterize";
FramebufferTexture posterizeFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);
PT(GraphicsOutput) posterizeBuffer = posterizeFramebufferTexture.buffer;
NodePath posterizeNP = posterizeFramebufferTexture.shaderNP;
posterizeBuffer->set_sort(sharpenBuffer->get_sort() + 1);
posterizeNP.set_shader(posterizeShader);
posterizeNP.set_shader_input("gamma", GAMMA_SHADER_INPUT);
posterizeNP.set_shader_input("colorTexture", sharpenTexture);
posterizeNP.set_shader_input("positionTexture", positionTexture2);
posterizeNP.set_shader_input("enabled", posterizeEnabled);
PT(Camera) posterizeCamera = posterizeFramebufferTexture.camera;
posterizeCamera->set_initial_state(posterizeNP.get_state());
PT(Texture) posterizeTexture = posterizeBuffer->get_texture();
framebufferTextureArguments.name = "bloom";
FramebufferTexture bloomFramebufferTexture =
generateFramebufferTexture
( framebufferTextureArguments
);