Resolving conflicts and applying textures

This commit is contained in:
EvilMuffinHa 2020-05-25 15:53:12 -04:00
commit e3a33d946c
27 changed files with 1132 additions and 535 deletions

1
.gitignore vendored
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# IntelliJ Idea folders
.idea
out

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.idea/.gitignore vendored Normal file
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# Default ignored files
/workspace.xml

13
.idea/Helium-Engine.iml Normal file
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@ -0,0 +1,5 @@
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<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
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<component name="libraryTable">
<library name="commons-io-2">
<CLASSES>
<root url="file://$USER_HOME$/Downloads/commons-io-2.6" />
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<root url="file://$USER_HOME$/Downloads/commons-io-2.6/docs" />
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</library>
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@ -0,0 +1,13 @@
<component name="libraryTable">
<library name="lwjgl-release-3.2">
<CLASSES>
<root url="file://$USER_HOME$/Downloads/lwjgl-release-3.2.3-custom" />
</CLASSES>
<JAVADOC />
<SOURCES>
<root url="file://$USER_HOME$/Downloads/lwjgl-release-3.2.3-custom" />
</SOURCES>
<jarDirectory url="file://$USER_HOME$/Downloads/lwjgl-release-3.2.3-custom" recursive="false" />
<jarDirectory url="file://$USER_HOME$/Downloads/lwjgl-release-3.2.3-custom" recursive="false" type="SOURCES" />
</library>
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.idea/misc.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
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.idea/modules.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/Helium-Engine.iml" filepath="$PROJECT_DIR$/.idea/Helium-Engine.iml" />
</modules>
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.idea/uiDesigner.xml Normal file
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.idea/vcs.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
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</project>

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@ -1,10 +1,8 @@
import org.hl.engine.graphics.Mesh;
import org.hl.engine.graphics.Renderer;
import org.hl.engine.graphics.Shader;
import org.hl.engine.graphics.Vertex;
import org.hl.engine.graphics.*;
import org.hl.engine.io.Display;
import org.hl.engine.io.Input;
import org.hl.engine.math.Vector3f;
import org.hl.engine.math.lalg.Vector3f;
import org.hl.engine.math.lalg.Vector2f;
import org.lwjgl.glfw.GLFW;
@ -18,35 +16,41 @@ public class Test {
public Shader shader;
public Mesh mesh = new Mesh(new Vertex[] {
new Vertex(new Vector3f(-0.5F, 0.5F, 0.0F), new Vector3f(0, 0, 1.0F)),
new Vertex(new Vector3f(-0.5F, -0.5F, 0.0F), new Vector3f(0, 0, 1.0F)),
new Vertex(new Vector3f(0.5F, -0.5F, 0.0F), new Vector3f(1.0F, 0, 1.0F)),
new Vertex(new Vector3f(0.5F, 0.5F, 0.0F), new Vector3f(1.0F, 0, 1.0F) ),
new Vertex(new Vector3f(-0.5F, 0.5F, 0.0F), new Vector3f(0, 0, 1.0F), new Vector2f(0, 0)),
new Vertex(new Vector3f(-0.5F, -0.5F, 0.0F), new Vector3f(0, 0, 1.0F), new Vector2f(0, 1)),
new Vertex(new Vector3f(0.5F, -0.5F, 0.0F), new Vector3f(1.0F, 0, 1.0F), new Vector2f(1, 1)),
new Vertex(new Vector3f(0.5F, 0.5F, 0.0F), new Vector3f(1.0F, 0, 1.0F), new Vector2f(1, 0)),
}, new int[] {
0, 1, 2,
0, 2, 3
});
}, new Material(new Texture("resources/textures/thonk.png")));
public void run() {
init();
public void run() throws Exception {
setup();
i = new Input(display);
while (!(display.shouldClose()) && !i.isKeyDown(GLFW.GLFW_KEY_ESCAPE)) {
update();
render();
loop();
}
close();
}
public void init() {
public void loop() {
update();
render();
}
public void setup() throws Exception {
// System.out.println("Initializing Game ");
display = new Display(WIDTH, HEIGHT, windowName);
display.create();
shader = new Shader("/resources/shaders/mainVertex.glsl", "/resources/shaders/mainFragment.glsl");
renderer = new Renderer(shader);
display.setBackgroundColor(1F, 0, 0);
display.create();
display.setBackgroundColor(1F, 1F, 1F);
mesh.create();
shader.create();
@ -73,7 +77,7 @@ public class Test {
shader.destroy();
}
public static void main(String[] args) {
public static void main(String[] args) throws Exception {
new Test().run();
}
}

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@ -0,0 +1,107 @@
package org.hl.engine.graphics;
import org.hl.engine.math.lalg.Vector4f;
public class Material {
private static final Vector4f DEFAULT_COLOR = new Vector4f(1.0f, 1.0f, 1.0f, 1.0f);
private Vector4f ambientColor;
private Vector4f diffuseColor;
private Vector4f specularColor;
private float reflectance;
private Texture texture;
private Texture normalMap;
public Material() {
this.ambientColor = DEFAULT_COLOR;
this.diffuseColor = DEFAULT_COLOR;
this.specularColor = DEFAULT_COLOR;
this.texture = null;
this.reflectance = 0;
}
public Material(Vector4f color, float reflectance) {
this(color, color, color, null, reflectance);
}
public Material(Texture texture) {
this(DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_COLOR, texture, 0);
}
public Material(Texture texture, float reflectance) {
this(DEFAULT_COLOR, DEFAULT_COLOR, DEFAULT_COLOR, texture, reflectance);
}
public Material(Vector4f ambientColor, Vector4f diffuseColor, Vector4f specularColor, Texture texture, float reflectance) {
this.ambientColor = ambientColor;
this.diffuseColor = diffuseColor;
this.specularColor = specularColor;
this.texture = texture;
this.reflectance = reflectance;
}
public Vector4f getAmbientColor() {
return ambientColor;
}
public void setAmbientColor(Vector4f ambientColor) {
this.ambientColor = ambientColor;
}
public Vector4f getDiffuseColor() {
return diffuseColor;
}
public void setDiffuseColor(Vector4f diffuseColor) {
this.diffuseColor = diffuseColor;
}
public Vector4f getSpecularColor() {
return specularColor;
}
public void setSpecularColor(Vector4f specularColor) {
this.specularColor = specularColor;
}
public float getReflectance() {
return reflectance;
}
public void setReflectance(float reflectance) {
this.reflectance = reflectance;
}
public boolean isTextured() {
return this.texture != null;
}
public Texture getTexture() {
return texture;
}
public void setTexture(Texture texture) {
this.texture = texture;
}
public boolean hasNormalMap() {
return this.normalMap != null;
}
public Texture getNormalMap() {
return normalMap;
}
public void setNormalMap(Texture normalMap) {
this.normalMap = normalMap;
}
public void create() {
texture.create();
}
}

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@ -10,23 +10,31 @@ import java.nio.FloatBuffer;
import java.nio.IntBuffer;
public class Mesh {
private Vertex[] vertices;
private int[] indices;
private int vertexArrayObject, positionBufferObject, indicesBufferObject, colorBufferObject;
private int vertexArrayObject, positionBufferObject, indicesBufferObject, colorBufferObject, textureBufferObject;
private Material material;
// A group of vertices combined based on the indexes
public Mesh(Vertex[] vertices, int[] indices) {
public Mesh(Vertex[] vertices, int[] indices, Material material) {
this.vertices = vertices;
this.indices = indices;
this.material = material;
}
// Destroy the mesh
public void destroy () {
GL15.glDeleteBuffers(positionBufferObject);
GL15.glDeleteBuffers(indicesBufferObject);
GL15.glDeleteBuffers(colorBufferObject);
GL30.glDeleteBuffers(textureBufferObject);
GL30.glDeleteVertexArrays(vertexArrayObject);
material.getTexture().destroy();
}
// getters for the mesh
@ -47,6 +55,7 @@ public class Mesh {
return positionBufferObject;
}
public int getIndicesBufferObject() {
return indicesBufferObject;
}
@ -55,8 +64,19 @@ public class Mesh {
return colorBufferObject;
}
public int getTextureBufferObject() {
return textureBufferObject;
}
public Material getMaterial() {
return material;
}
public void create() {
material.create();
// Creates the mesh by formatting the vertices and indices and inputting them to OpenGL
vertexArrayObject = GL30.glGenVertexArrays();
GL30.glBindVertexArray(vertexArrayObject);
@ -88,6 +108,18 @@ public class Mesh {
colorBufferObject = storeData(colorBuffer, 1, 3);
// Putting the texture into the buffer so renderer and shader can read it
FloatBuffer textureBuffer = MemoryUtil.memAllocFloat(vertices.length * 2);
float[] textureData = new float[vertices.length * 2];
for (int i = 0; i < vertices.length; i ++ ) {
textureData[i * 2] = vertices[i].getTextureCoords().getX();
textureData[i * 2 + 1] = vertices[i].getTextureCoords().getY();
}
textureBuffer.put(textureData).flip();
textureBufferObject = storeData(textureBuffer, 2, 2);
IntBuffer indicesBuffer = MemoryUtil.memAllocInt(indices.length);
indicesBuffer.put(indices).flip();

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@ -1,6 +1,7 @@
package org.hl.engine.graphics;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL15;
import org.lwjgl.opengl.GL30;
@ -19,8 +20,13 @@ public class Renderer {
GL30.glBindVertexArray(mesh.getVertexArrayObject());
GL30.glEnableVertexAttribArray(0);
GL30.glEnableVertexAttribArray(1);
GL30.glEnableVertexAttribArray(2);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, mesh.getIndicesBufferObject());
GL13.glActiveTexture(GL13.GL_TEXTURE0);
GL13.glBindTexture(GL11.GL_TEXTURE_2D, mesh.getMaterial().getTexture().getId());
shader.bind();
GL11.glDrawElements(GL11.GL_TRIANGLES, mesh.getIndices().length, GL11.GL_UNSIGNED_INT, 0);
@ -28,6 +34,7 @@ public class Renderer {
shader.unbind();
GL30.glDisableVertexAttribArray(0);
GL30.glDisableVertexAttribArray(1);
GL30.glDisableVertexAttribArray(2);
GL30.glBindVertexArray(0);
}

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@ -0,0 +1,133 @@
package org.hl.engine.graphics;
import static org.lwjgl.opengl.GL46.*;
import static org.lwjgl.stb.STBImage.*;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import org.lwjgl.system.MemoryStack;
public class Texture {
private int id;
private int width;
private int height;
private int type;
private String fileName;
private ByteBuffer imageBuffer;
private int pixelFormat;
public Texture(int width, int height, int pixelFormat) {
this.type = 0;
this.width = width;
this.height = height;
this.pixelFormat = pixelFormat;
}
public Texture(String fileName) {
this.type = 1;
this.fileName = fileName;
}
public Texture(ByteBuffer imageBuffer) {
type = 2;
this.imageBuffer = imageBuffer;
}
public void create() {
if (this.type == 0) {
this.id = glGenTextures();
glBindTexture(GL_TEXTURE_2D, this.id);
glTexImage2D(GL_TEXTURE_2D, 0, this.pixelFormat, this.width, this.height, 0, this.pixelFormat, GL_FLOAT, (ByteBuffer) null);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, 0);
} else if (this.type == 1) {
ByteBuffer buf;
try(MemoryStack stack = MemoryStack.stackPush()) {
IntBuffer w = stack.mallocInt(1);
IntBuffer h = stack.mallocInt(1);
IntBuffer channels = stack.mallocInt(1);
buf = stbi_load(this.fileName, w, h, channels, 4);
if(buf == null) {
System.err.println("Image file [" + this.fileName + "] not loaded: " + stbi_failure_reason());
System.exit(1);
}
this.width = w.get();
this.height = h.get();
}
this.id = createTexture(buf);
stbi_image_free(buf);
} else {
ByteBuffer buf;
try(MemoryStack stack = MemoryStack.stackPush()) {
IntBuffer w = stack.mallocInt(1);
IntBuffer h = stack.mallocInt(1);
IntBuffer channels = stack.mallocInt(1);
buf = stbi_load_from_memory(this.imageBuffer, w, h, channels, 4);
if(buf == null) {
System.err.println("Image file not loaded: " + stbi_failure_reason());
System.exit(1);
}
this.width = w.get();
this.height = h.get();
}
this.id = createTexture(buf);
stbi_image_free(buf);
}
}
private int createTexture(ByteBuffer buf) {
int textureID = glGenTextures();
glBindTexture(GL_TEXTURE_2D, textureID);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, buf);
glGenerateMipmap(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
return textureID;
}
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public int getId() {
return id;
}
public void destroy() {
glDeleteTextures(id);
}
}

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@ -1,6 +1,8 @@
package org.hl.engine.graphics;
import org.hl.engine.math.Vector3f;
import org.hl.engine.math.lalg.*;
public class Vertex {
@ -8,17 +10,26 @@ public class Vertex {
private Vector3f position;
private Vector3f color;
private Vector2f textureCoords;
public Vertex (Vector3f position, Vector3f color) {
public Vertex (Vector3f position, Vector3f color, Vector2f textureCoords) {
this.position = position;
this.color = color;
this.textureCoords = textureCoords;
}
public Vector3f getPosition() {
return position;
}
public Vector3f getColor() {
return color;
}
public Vector2f getTextureCoords() {
return textureCoords;
}
}

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@ -1,5 +1,7 @@
package org.hl.engine.io;
import org.hl.engine.math.Vector3f;
import org.hl.engine.math.lalg.Vector3f;
import org.lwjgl.glfw.GLFWErrorCallback;
import org.lwjgl.glfw.GLFWVidMode;
import org.lwjgl.glfw.GLFWWindowSizeCallback;
import org.lwjgl.opengl.GL;
@ -8,6 +10,7 @@ import org.lwjgl.opengl.GL11;
import static org.lwjgl.glfw.GLFW.*;
public class Display {
private int width, height;
private String windowName;
private long window;
@ -94,16 +97,19 @@ public class Display {
// Creates the window (should go in the init() function of your Main program)
public void create() {
public void create() throws Exception {
GLFWErrorCallback.createPrint(System.err).set();
// initializing glfw
if (!glfwInit()) {
System.err.println("Failed to initialize GLFW! ");
System.exit(1);
//System.err.println("Failed to initialize GLFW! ");
//System.exit(1);
throw new Exception("Failed to initialize GLFW! ");
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL11.GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
@ -111,8 +117,9 @@ public class Display {
glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
window = glfwCreateWindow(this.width, this.height, this.windowName, isFullscreen ? glfwGetPrimaryMonitor():0, 0);
if (window == 0) {
System.err.println("Failed to create window! ");
System.exit(1);
//System.err.println("Failed to create window! ");
//System.exit(1);
throw new Exception("Failed to create window! ");
}
// Setting size of window
@ -188,6 +195,7 @@ public class Display {
// Completely DESTROYS the window
public void destroy() {
resizeCallback.free();
glfwSetErrorCallback(null).free();
glfwDestroyWindow(window);
glfwTerminate();
}

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@ -1,43 +0,0 @@
package org.hl.engine.math;
public class Vector3f {
private float x, y, z;
public Vector3f(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
public void setVector(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
public float getX() {
return x;
}
public void setX(float x) {
this.x = x;
}
public float getY() {
return y;
}
public void setY(float y) {
this.y = y;
}
public float getZ() {
return z;
}
public void setZ(float z) {
this.z = z;
}
}

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@ -0,0 +1,33 @@
package org.hl.engine.math.lalg;
public class Vector2f {
private float x;
private float y;
// Just a vector if you know what I mean
public Vector2f (float x, float y) {
this.x = x;
this.y = y;
}
public void setVector(float x, float y) {
this.x = x;
this.y = y;
}
public float getX() {
return x;
}
public void setX(float x) {
this.x = x;
}
public float getY() {
return y;
}
public void setY(float y) {
this.y = y;
}
}

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@ -0,0 +1,46 @@
package org.hl.engine.math.lalg;
public class Vector3f {
private float x;
private float y;
private float z;
// Just a vector if you know what I mean
public Vector3f (float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
public void setVector(float x, float y, float z) {
this.x = x;
this.y = y;
this.z = z;
}
public float getX() {
return x;
}
public void setX(float x) {
this.x = x;
}
public float getY() {
return y;
}
public void setY(float y) {
this.y = y;
}
public float getZ() {
return z;
}
public void setZ(float z) {
this.z = z;
}
}

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@ -0,0 +1,55 @@
package org.hl.engine.math.lalg;
public class Vector4f {
private float x;
private float y;
private float z;
private float a;
// Just a vector if you know what I mean
public Vector4f (float x, float y, float z, float a) {
this.x = x;
this.y = y;
this.z = z;
this.a = a;
}
public void setVector(float x, float y, float z, float a) {
this.x = x;
this.y = y;
this.z = z;
this.a = a;
}
public float getX() {
return x;
}
public void setX(float x) {
this.x = x;
}
public float getY() {
return y;
}
public void setY(float y) {
this.y = y;
}
public float getZ() {
return z;
}
public void setZ(float z) {
this.z = z;
}
public float getA() {
return a;
}
public void setA(float a) {
this.a = a;
}
}

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@ -1,8 +1,11 @@
#version 330 core
#version 410 core
in vec3 passColor;
out vec4 outColor;
layout(location = 0) in vec3 passColor;
layout(location = 1) in vec2 passTextureCoord;
layout(location = 0) out vec4 outColor;
void main() {
outColor = vec4(passColor, 1.0);

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@ -1,11 +1,21 @@
#version 330 core
#version 410 core
layout(location = 0) in vec3 position;
layout(location = 1) in vec3 color;
layout(location = 2) in vec2 textureCoord;
layout(location = 0) out vec3 passColor;
layout(location = 1) out vec2 passTextureCoord;
out vec3 passColor;
void main() {
gl_Position = vec4(position, 1.0);
passColor = color;
passTextureCoord = textureCoord;
}