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This commit is contained in:
austin 2022-03-24 18:34:19 -04:00
parent 1c0ea25fb5
commit 4cf3a0e2d4
5 changed files with 226 additions and 33 deletions
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15
assets/Shaders/anime/renderNormals.fs Normal file
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@ -0,0 +1,15 @@
#version 330 core
out vec4 FragColor;
in vec3 FragPos;
in vec3 Normal;
void main(){
vec3 norm = normalize(Normal);
FragColor = vec4(norm,1.0);
}

63
assets/Shaders/anime/renderNormals.vs Normal file
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@ -0,0 +1,63 @@
//Vertex Shader
#version 330 core
//input buffers
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aNormal;
layout (location = 2) in vec4 aWeights;
layout (location = 3) in vec4 aIndex;
//coordinate space transformation matrices
uniform mat4 transform;
uniform mat4 model;
uniform mat4 view;
uniform mat4 projection;
//bone related variables
const int MAX_WEIGHTS = 4;
const int MAX_BONES = 100;
uniform mat4 bones[MAX_BONES];
uniform int hasBones;
uniform int numBones;
//output buffers
out vec3 Normal;
out vec3 FragPos;
void main() {
//calculate bone transform
mat4 BoneTransform = (bones[int(aIndex[0])] * aWeights[0]);
BoneTransform = BoneTransform + (bones[int(aIndex[1])] * aWeights[1]);
BoneTransform = BoneTransform + (bones[int(aIndex[2])] * aWeights[2]);
BoneTransform = BoneTransform + (bones[int(aIndex[3])] * aWeights[3]);
//apply bone transform to position vectors
vec4 FinalVertex = BoneTransform * vec4(aPos, 1.0);
vec4 FinalNormal = BoneTransform * vec4(aNormal, 1.0);
//make sure the W component is 1.0
FinalVertex = vec4(FinalVertex.xyz, 1.0);
FinalNormal = vec4(FinalNormal.xyz, 1.0);
//push frag, normal, and texture positions to fragment shader
FragPos = vec3(model * FinalVertex);
Normal = mat3(transpose(inverse(model))) * FinalNormal.xyz;
//set final position with opengl space
gl_Position = projection * view * model * FinalVertex;
}

151
src/main/java/electrosphere/renderer/RenderingEngine.java
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@ -148,6 +148,13 @@ public class RenderingEngine {
static Framebuffer transparencyBuffer;
static ShaderProgram oitCompositeProgram;
/*
render normals
*/
static Texture gameImageNormalsTexture;
static Framebuffer gameImageNormalsFramebuffer;
static ShaderProgram renderNormalsShader;
/*
Perspective volumetrics
*/
@ -296,6 +303,18 @@ public class RenderingEngine {
volumeDepthFrontfaceTexture = FramebufferUtils.generateDepthBufferTexture(Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT);
volumeDepthFrontfaceFramebuffer = FramebufferUtils.generateDepthBuffer(Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT, volumeDepthFrontfaceTexture);
//
//Game normals
//
/*
gameImageNormalsTexture;
static Framebuffer gameImageNormalsFramebuffer;
static ShaderProgram renderNormalsShader;
*/
gameImageNormalsTexture = FramebufferUtils.generateScreenTextureColor(Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT);
gameImageNormalsFramebuffer = FramebufferUtils.generateScreenTextureFramebuffer(Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT, gameImageNormalsTexture);
renderNormalsShader = ShaderProgram.loadSpecificShader("Shaders/anime/renderNormals.vs", "Shaders/anime/renderNormals.fs");
//
//Transparency framebuffers
//
@ -413,6 +432,8 @@ public class RenderingEngine {
if(Globals.RENDER_FLAG_RENDER_SCREEN_FRAMEBUFFER_CONTENT){
renderGameContent();
renderDebugContent();
renderNormals();
compositeGameImage();
}
@ -589,7 +610,7 @@ public class RenderingEngine {
modelTransformMatrix.scale(EntityUtils.getScale(currentEntity));
currentActor.applyModelMatrix(modelTransformMatrix);
//draw
currentActor.draw();
currentActor.draw(true);
}
}
@ -629,44 +650,31 @@ public class RenderingEngine {
modelTransformMatrix.scale(EntityUtils.getScale(currentEntity));
currentActor.applyModelMatrix(modelTransformMatrix);
//draw
currentActor.draw();
currentActor.draw(true);
}
}
//
// Pass Three: Composite transparency on top of solids
//
glDepthFunc(GL_ALWAYS);
// glDepthMask(false);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
screenFramebuffer.bind();
Globals.renderingEngine.setActiveShader(oitCompositeProgram);
glBindVertexArray(screenTextureVAO);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, transparencyAccumulatorTexture.getTexturePointer());
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, transparencyRevealageTexture.getTexturePointer());
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
// glBindVertexArray(0);
}
static void renderDebugContent(){
//bind screen fbo
screenFramebuffer.bind();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glDepthMask(true);
glViewport(0, 0, Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT);
///
/// R E N D E R I N G S T U F F
///
//Sets the background color.
Matrix4f modelTransformMatrix = new Matrix4f();
if(Globals.userSettings.graphicsDebugDrawCollisionSpheres()){
for(Entity currentHitbox : Globals.hitboxManager.getAllHitboxes()){
if((boolean)currentHitbox.getData(EntityDataStrings.DATA_STRING_DRAW)){
@ -814,6 +822,89 @@ public class RenderingEngine {
}
}
static void renderNormals(){
/*
gameImageNormalsTexture;
static Framebuffer gameImageNormalsFramebuffer;
static ShaderProgram renderNormalsShader;
*/
//bind screen fbo
gameImageNormalsFramebuffer.bind();
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glDepthMask(true);
glViewport(0, 0, Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT);
///
/// R E N D E R I N G S T U F F
///
//Sets the background color.
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
Matrix4f modelTransformMatrix = new Matrix4f();
Globals.renderingEngine.setActiveShader(renderNormalsShader);
Vector3f cameraPos = CameraEntityUtils.getCameraCenter(Globals.playerCamera);
modelTransformMatrix = new Matrix4f();
for(Entity currentEntity : Globals.entityManager.getDrawable()){
Vector3d position = EntityUtils.getPosition(currentEntity);
if(
(boolean)currentEntity.getData(EntityDataStrings.DATA_STRING_DRAW) &&
currentEntity.getData(EntityDataStrings.DRAW_SOLID_PASS) != null &&
drawPoint(cameraPos,new Vector3f((float)position.x,(float)position.y,(float)position.z))
){
//fetch actor
Actor currentActor = EntityUtils.getActor(currentEntity);
currentActor.incrementAnimationTime(0.001);
//calculate camera-modified vector3f
Vector3f cameraModifiedPosition = new Vector3f((float)position.x,(float)position.y,(float)position.z).sub(CameraEntityUtils.getCameraCenter(Globals.playerCamera));
//calculate and apply model transform
modelTransformMatrix.identity();
modelTransformMatrix.translate(cameraModifiedPosition);
modelTransformMatrix.rotate(EntityUtils.getRotation(currentEntity));
modelTransformMatrix.scale(EntityUtils.getScale(currentEntity));
currentActor.applyModelMatrix(modelTransformMatrix);
//draw
currentActor.draw(false);
}
}
}
static void compositeGameImage(){
//
// Pass Three: Composite transparency on top of solids
//
glDepthFunc(GL_ALWAYS);
// glDepthMask(false);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
screenFramebuffer.bind();
Globals.renderingEngine.setActiveShader(oitCompositeProgram);
glBindVertexArray(screenTextureVAO);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, transparencyAccumulatorTexture.getTexturePointer());
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, transparencyRevealageTexture.getTexturePointer());
glDrawArrays(GL_TRIANGLES, 0, 6);
glBindVertexArray(0);
}
static void renderScreenFramebuffer(){
//
//unbind texture channels
@ -855,7 +946,7 @@ public class RenderingEngine {
} else if(outputFramebuffer == 4){
glBindTexture(GL_TEXTURE_2D, transparencyAccumulatorTexture.getTexturePointer());
} else if(outputFramebuffer == 5){
glBindTexture(GL_TEXTURE_2D, transparencyRevealageTexture.getTexturePointer());
glBindTexture(GL_TEXTURE_2D, gameImageNormalsTexture.getTexturePointer());
} else if(outputFramebuffer == 6){
Globals.renderingEngine.setActiveShader(drawChannel);
glUniform1f(glGetUniformLocation(Globals.renderingEngine.getActiveShader().shaderProgram, "channel"),0);

6
src/main/java/electrosphere/renderer/actor/Actor.java
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@ -180,7 +180,7 @@ public class Actor {
}
}
public void draw(){
public void draw(boolean setShader){
Model model = Globals.assetManager.fetchModel(modelPath);
boolean hasDrawn = false;
if(model != null){
@ -208,11 +208,11 @@ public class Actor {
if(overrideTextureObject != null){
overrideTextureObject.bind();
hasDrawn = true;
model.draw(true, true, false, false, true, true, true);
model.draw(setShader, true, false, false, true, true, true);
}
}
if(!hasDrawn){
model.draw(true, true, false, true, true, true, true);
model.draw(setShader, true, false, true, true, true, true);
}
model.getShaderMask().clear();
model.setTextureMask(null);

24
src/main/java/electrosphere/renderer/framebuffer/FramebufferUtils.java
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@ -114,6 +114,30 @@ public class FramebufferUtils {
return buffer;
}
public static Framebuffer generateScreenTextureFramebuffer(int width, int height, Texture colorTexture){
Framebuffer buffer = new Framebuffer();
buffer.bind();
//texture
// int texture = glGenTextures();
// glBindTexture(GL_TEXTURE_2D,texture);
// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// //these make sure the texture actually clamps to the borders of the quad
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
buffer.setTexturePointer(colorTexture.getTexturePointer());
//bind texture to fbo
int mipMapLevel = 0;
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, colorTexture.getTexturePointer(), mipMapLevel);
//check make sure compiled
if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE){
System.out.println("Framebuffer is not complete!");
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
return buffer;
}
public static Framebuffer generateScreensizeTextureFramebuffer(){
Framebuffer buffer = new Framebuffer();
buffer.bind();