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

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.gitignore vendored
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# IntelliJ Idea folders
.idea
out

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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;
public class Test {
public final static int WIDTH = 640, HEIGHT = 480;
public final String windowName = "Game!";
public Display display;
public Input i;
public Renderer renderer;
public Shader shader;
public final static int WIDTH = 640, HEIGHT = 480;
public final String windowName = "Game!";
public Display display;
public Input i;
public Renderer renderer;
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) ),
public Mesh mesh = new Mesh(new Vertex[] {
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 int[] {
0, 1, 2,
0, 2, 3
});
}, new Material(new Texture("resources/textures/thonk.png")));
public void run() {
init();
i = new Input(display);
while (!(display.shouldClose()) && !i.isKeyDown(GLFW.GLFW_KEY_ESCAPE)) {
update();
render();
}
public void run() throws Exception {
setup();
i = new Input(display);
while (!(display.shouldClose()) && !i.isKeyDown(GLFW.GLFW_KEY_ESCAPE)) {
loop();
}
close();
close();
}
public void init() {
// System.out.println("Initializing Game ");
display = new Display(WIDTH, HEIGHT, windowName);
shader = new Shader("/resources/shaders/mainVertex.glsl", "/resources/shaders/mainFragment.glsl");
renderer = new Renderer(shader);
display.setBackgroundColor(1F, 0, 0);
display.create();
mesh.create();
shader.create();
}
}
private void update() {
// System.out.println("Updating ");
int frames = display.update();
display.setWindowName(display.getWindowName().substring(0, 4) + " (Frames : " + frames + ")");
public void loop() {
update();
render();
}
i.reset();
}
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, 1F, 1F);
mesh.create();
shader.create();
private void render() {
// System.out.println("Rendering ");
renderer.renderMesh(mesh);
display.swapBuffers();
}
private void update() {
// System.out.println("Updating ");
int frames = display.update();
display.setWindowName(display.getWindowName().substring(0, 4) + " (Frames : " + frames + ")");
}
i.reset();
private void close() {
display.destroy();
mesh.destroy();
shader.destroy();
}
}
public static void main(String[] args) {
new Test().run();
}
private void render() {
// System.out.println("Rendering ");
renderer.renderMesh(mesh);
display.swapBuffers();
}
private void close() {
display.destroy();
mesh.destroy();
shader.destroy();
}
public static void main(String[] args) throws Exception {
new Test().run();
}
}

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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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@ -10,102 +10,134 @@ import java.nio.FloatBuffer;
import java.nio.IntBuffer;
public class Mesh {
private Vertex[] vertices;
private int[] indices;
private int vertexArrayObject, positionBufferObject, indicesBufferObject, colorBufferObject;
// A group of vertices combined based on the indexes
public Mesh(Vertex[] vertices, int[] indices) {
this.vertices = vertices;
this.indices = indices;
}
private Vertex[] vertices;
private int[] indices;
private int vertexArrayObject, positionBufferObject, indicesBufferObject, colorBufferObject, textureBufferObject;
private Material material;
// Destroy the mesh
public void destroy () {
GL15.glDeleteBuffers(positionBufferObject);
GL15.glDeleteBuffers(indicesBufferObject);
GL15.glDeleteBuffers(colorBufferObject);
GL30.glDeleteVertexArrays(vertexArrayObject);
}
// getters for the mesh
public Vertex[] getVertices() {
return vertices;
}
public int[] getIndices() {
return indices;
}
public int getVertexArrayObject() {
return vertexArrayObject;
}
public int getPositionBufferObject() {
return positionBufferObject;
}
public int getIndicesBufferObject() {
return indicesBufferObject;
}
public int getColorBufferObject() {
return colorBufferObject;
}
public void create() {
// Creates the mesh by formatting the vertices and indices and inputting them to OpenGL
vertexArrayObject = GL30.glGenVertexArrays();
GL30.glBindVertexArray(vertexArrayObject);
// A group of vertices combined based on the indexes
public Mesh(Vertex[] vertices, int[] indices, Material material) {
this.vertices = vertices;
this.indices = indices;
this.material = material;
}
// Putting the position of the vertex into the buffer so the renderer can read it
// Destroy the mesh
public void destroy () {
GL15.glDeleteBuffers(positionBufferObject);
GL15.glDeleteBuffers(indicesBufferObject);
GL15.glDeleteBuffers(colorBufferObject);
GL30.glDeleteBuffers(textureBufferObject);
FloatBuffer positionBuffer = MemoryUtil.memAllocFloat(vertices.length * 3);
float[] positionData = new float[vertices.length * 3];
for (int i = 0; i < vertices.length; i ++ ) {
positionData[i * 3] = vertices[i].getPosition().getX();
positionData[i * 3 + 1] = vertices[i].getPosition().getY();
positionData[i * 3 + 2] = vertices[i].getPosition().getZ();
}
positionBuffer.put(positionData).flip();
GL30.glDeleteVertexArrays(vertexArrayObject);
positionBufferObject = storeData(positionBuffer, 0, 3);
material.getTexture().destroy();
// Putting the color into the buffer so renderer and shader can read it
}
FloatBuffer colorBuffer = MemoryUtil.memAllocFloat(vertices.length * 3);
float[] colorData = new float[vertices.length * 3];
for (int i = 0; i < vertices.length; i ++ ) {
colorData[i * 3] = vertices[i].getColor().getX();
colorData[i * 3 + 1] = vertices[i].getColor().getY();
colorData[i * 3 + 2] = vertices[i].getColor().getZ();
}
colorBuffer.put(colorData).flip();
// getters for the mesh
colorBufferObject = storeData(colorBuffer, 1, 3);
public Vertex[] getVertices() {
return vertices;
}
IntBuffer indicesBuffer = MemoryUtil.memAllocInt(indices.length);
indicesBuffer.put(indices).flip();
public int[] getIndices() {
return indices;
}
indicesBufferObject = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferObject);
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}
public int getVertexArrayObject() {
return vertexArrayObject;
}
// Storing data to the buffer at position index (helps with storing color / position)
public int getPositionBufferObject() {
return positionBufferObject;
}
private int storeData(FloatBuffer buffer, int index, int size) {
int bufferID = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, bufferID);
GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
GL20.glVertexAttribPointer(index, size, GL11.GL_FLOAT, false, 0, 0);
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
return bufferID;
}
public int getIndicesBufferObject() {
return indicesBufferObject;
}
public int getColorBufferObject() {
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);
// Putting the position of the vertex into the buffer so the renderer can read it
FloatBuffer positionBuffer = MemoryUtil.memAllocFloat(vertices.length * 3);
float[] positionData = new float[vertices.length * 3];
for (int i = 0; i < vertices.length; i ++ ) {
positionData[i * 3] = vertices[i].getPosition().getX();
positionData[i * 3 + 1] = vertices[i].getPosition().getY();
positionData[i * 3 + 2] = vertices[i].getPosition().getZ();
}
positionBuffer.put(positionData).flip();
positionBufferObject = storeData(positionBuffer, 0, 3);
// Putting the color into the buffer so renderer and shader can read it
FloatBuffer colorBuffer = MemoryUtil.memAllocFloat(vertices.length * 3);
float[] colorData = new float[vertices.length * 3];
for (int i = 0; i < vertices.length; i ++ ) {
colorData[i * 3] = vertices[i].getColor().getX();
colorData[i * 3 + 1] = vertices[i].getColor().getY();
colorData[i * 3 + 2] = vertices[i].getColor().getZ();
}
colorBuffer.put(colorData).flip();
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();
indicesBufferObject = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBufferObject);
GL15.glBufferData(GL15.GL_ELEMENT_ARRAY_BUFFER, indicesBuffer, GL15.GL_STATIC_DRAW);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, 0);
}
// Storing data to the buffer at position index (helps with storing color / position)
private int storeData(FloatBuffer buffer, int index, int size) {
int bufferID = GL15.glGenBuffers();
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, bufferID);
GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
GL20.glVertexAttribPointer(index, size, GL11.GL_FLOAT, false, 0, 0);
GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
return bufferID;
}
}

View File

@ -1,34 +1,41 @@
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;
public class Renderer {
private Shader shader;
private Shader shader;
public Renderer(Shader shader) {
this.shader = shader;
}
public Renderer(Shader shader) {
this.shader = shader;
}
public void renderMesh(Mesh mesh) {
public void renderMesh(Mesh mesh) {
// Renders the mesh by drawing it using triangles (least complicated)
GL30.glBindVertexArray(mesh.getVertexArrayObject());
GL30.glEnableVertexAttribArray(0);
GL30.glEnableVertexAttribArray(1);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, mesh.getIndicesBufferObject());
// Renders the mesh by drawing it using triangles (least complicated)
GL30.glBindVertexArray(mesh.getVertexArrayObject());
GL30.glEnableVertexAttribArray(0);
GL30.glEnableVertexAttribArray(1);
GL30.glEnableVertexAttribArray(2);
GL15.glBindBuffer(GL15.GL_ELEMENT_ARRAY_BUFFER, mesh.getIndicesBufferObject());
shader.bind();
GL13.glActiveTexture(GL13.GL_TEXTURE0);
GL11.glDrawElements(GL11.GL_TRIANGLES, mesh.getIndices().length, GL11.GL_UNSIGNED_INT, 0);
GL13.glBindTexture(GL11.GL_TEXTURE_2D, mesh.getMaterial().getTexture().getId());
shader.unbind();
GL30.glDisableVertexAttribArray(0);
GL30.glDisableVertexAttribArray(1);
GL30.glBindVertexArray(0);
shader.bind();
}
GL11.glDrawElements(GL11.GL_TRIANGLES, mesh.getIndices().length, GL11.GL_UNSIGNED_INT, 0);
shader.unbind();
GL30.glDisableVertexAttribArray(0);
GL30.glDisableVertexAttribArray(1);
GL30.glDisableVertexAttribArray(2);
GL30.glBindVertexArray(0);
}
}

View File

@ -5,84 +5,84 @@ import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL20;
public class Shader {
private String vertexFile;
private String fragmentFile;
private String vertexFile;
private String fragmentFile;
private int vertexID, fragmentID, programID;
private int vertexID, fragmentID, programID;
public Shader(String vertexPath, String fragmentPath) {
vertexFile = FileUtils.loadAsString(vertexPath);
fragmentFile = FileUtils.loadAsString(fragmentPath);
public Shader(String vertexPath, String fragmentPath) {
vertexFile = FileUtils.loadAsString(vertexPath);
fragmentFile = FileUtils.loadAsString(fragmentPath);
}
}
public void create() {
public void create() {
// Creates the program
programID = GL20.glCreateProgram();
// Creates the program
programID = GL20.glCreateProgram();
// loads the vertex shader
vertexID = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);
// loads the vertex shader
vertexID = GL20.glCreateShader(GL20.GL_VERTEX_SHADER);
GL20.glShaderSource(vertexID, vertexFile);
GL20.glCompileShader(vertexID);
GL20.glShaderSource(vertexID, vertexFile);
GL20.glCompileShader(vertexID);
if (GL20.glGetShaderi(vertexID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
System.err.println("Vertex Shader: " + GL20.glGetShaderInfoLog(vertexID));
System.exit(1);
if (GL20.glGetShaderi(vertexID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
System.err.println("Vertex Shader: " + GL20.glGetShaderInfoLog(vertexID));
System.exit(1);
}
}
// loads the fragment shader
fragmentID = GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER);
// loads the fragment shader
fragmentID = GL20.glCreateShader(GL20.GL_FRAGMENT_SHADER);
GL20.glShaderSource(fragmentID, fragmentFile);
GL20.glCompileShader(fragmentID);
GL20.glShaderSource(fragmentID, fragmentFile);
GL20.glCompileShader(fragmentID);
if (GL20.glGetShaderi(fragmentID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
System.err.println("Fragment Shader: " + GL20.glGetShaderInfoLog(fragmentID));
System.exit(1);
if (GL20.glGetShaderi(fragmentID, GL20.GL_COMPILE_STATUS) == GL11.GL_FALSE) {
System.err.println("Fragment Shader: " + GL20.glGetShaderInfoLog(fragmentID));
System.exit(1);
}
}
// Attach shaders to program
GL20.glAttachShader(programID, vertexID);
GL20.glAttachShader(programID, fragmentID);
// Attach shaders to program
GL20.glAttachShader(programID, vertexID);
GL20.glAttachShader(programID, fragmentID);
// Link the program
GL20.glLinkProgram(programID);
if (GL20.glGetProgrami(programID, GL20.GL_LINK_STATUS) == GL11.GL_FALSE) {
System.err.println("Program Linking: " + GL20.glGetProgramInfoLog(programID));
System.exit(1);
return;
}
// Link the program
GL20.glLinkProgram(programID);
if (GL20.glGetProgrami(programID, GL20.GL_LINK_STATUS) == GL11.GL_FALSE) {
System.err.println("Program Linking: " + GL20.glGetProgramInfoLog(programID));
System.exit(1);
return;
}
// Validate the program
GL20.glValidateProgram(programID);
if (GL20.glGetProgrami(programID, GL20.GL_VALIDATE_STATUS) == GL11.GL_FALSE) {
System.err.println("Program Validation: " + GL20.glGetProgramInfoLog(programID));
System.exit(1);
return;
}
// Validate the program
GL20.glValidateProgram(programID);
if (GL20.glGetProgrami(programID, GL20.GL_VALIDATE_STATUS) == GL11.GL_FALSE) {
System.err.println("Program Validation: " + GL20.glGetProgramInfoLog(programID));
System.exit(1);
return;
}
GL20.glDeleteShader(vertexID);
GL20.glDeleteShader(fragmentID);
GL20.glDeleteShader(vertexID);
GL20.glDeleteShader(fragmentID);
}
}
// Bind so we can use the shader
public void bind() {
GL20.glUseProgram(programID);
}
// Bind so we can use the shader
public void bind() {
GL20.glUseProgram(programID);
}
// Unbind the shader after use
public void unbind() {
GL20.glUseProgram(0);
}
// Unbind the shader after use
public void unbind() {
GL20.glUseProgram(0);
}
// Destroy the program
public void destroy() {
GL20.glDeleteProgram(programID);
}
// Destroy the program
public void destroy() {
GL20.glDeleteProgram(programID);
}
}

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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);
}
}

View File

@ -1,24 +1,35 @@
package org.hl.engine.graphics;
import org.hl.engine.math.Vector3f;
import org.hl.engine.math.lalg.*;
public class Vertex {
// Just a vertex
// Just a vertex
private Vector3f position;
private Vector3f color;
private Vector3f position;
private Vector3f color;
private Vector2f textureCoords;
public Vertex (Vector3f position, Vector3f color) {
this.position = position;
this.color = color;
}
public Vector3f getPosition() {
return position;
}
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;
}
public Vector3f getColor() {
return color;
}
}

View File

@ -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;
@ -8,205 +10,211 @@ import org.lwjgl.opengl.GL11;
import static org.lwjgl.glfw.GLFW.*;
public class Display {
private int width, height;
private String windowName;
private long window;
public int frames;
public int previousFrames = frames;
public long time;
public Input input;
private Vector3f background = new Vector3f(0, 0, 0);
private GLFWWindowSizeCallback resizeCallback;
private boolean isResized;
private boolean isFullscreen;
private int[] windowXPos = new int[1];
private int[] windowYPos = new int[1];
private GLFWVidMode videoMode;
private int savedPosX;
private int savedPosY;
private int savedWidth;
private int savedHeight;
private int width, height;
private String windowName;
private long window;
public int frames;
public int previousFrames = frames;
public long time;
public Input input;
private Vector3f background = new Vector3f(0, 0, 0);
private GLFWWindowSizeCallback resizeCallback;
private boolean isResized;
private boolean isFullscreen;
private int[] windowXPos = new int[1];
private int[] windowYPos = new int[1];
private GLFWVidMode videoMode;
private int savedPosX;
private int savedPosY;
private int savedWidth;
private int savedHeight;
// Constructor to create the display
public Display (int width, int height, String windowName) {
this.width = width;
this.height = height;
this.windowName = windowName;
}
// Constructor to create the display
public Display (int width, int height, String windowName) {
this.width = width;
this.height = height;
this.windowName = windowName;
}
// Change the window name
public void setWindowName(String windowName) {
this.windowName = windowName;
glfwSetWindowTitle(window, windowName);
}
// Change the window name
public void setWindowName(String windowName) {
this.windowName = windowName;
glfwSetWindowTitle(window, windowName);
}
// Getters for size, name, window, time, and fullScreen
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public String getWindowName() {
return windowName;
}
public long getWindow() {
return window;
}
public long getTime() {
return time;
}
// Getters for size, name, window, time, and fullScreen
public int getWidth() {
return width;
}
public int getHeight() {
return height;
}
public String getWindowName() {
return windowName;
}
public long getWindow() {
return window;
}
public long getTime() {
return time;
}
public boolean isFullscreen() {
return isFullscreen;
}
public boolean isFullscreen() {
return isFullscreen;
}
// Makes the screen fullscreen or not based on the argument
public void setFullscreen(boolean fullscreen) {
isFullscreen = fullscreen;
isResized = true;
GL11.glViewport(0, 0, width, height);
if (isFullscreen) {
// Makes the screen fullscreen or not based on the argument
public void setFullscreen(boolean fullscreen) {
isFullscreen = fullscreen;
isResized = true;
GL11.glViewport(0, 0, width, height);
if (isFullscreen) {
int[] xpos = {0};
int[] ypos = {0};
glfwGetWindowPos(this.window, xpos, ypos);
savedPosX = xpos[0];
savedPosY = ypos[0];
int[] xpos = {0};
int[] ypos = {0};
glfwGetWindowPos(this.window, xpos, ypos);
savedPosX = xpos[0];
savedPosY = ypos[0];
savedWidth = width;
savedHeight = height;
glfwGetWindowPos(window, windowXPos, windowYPos);
glfwSetWindowMonitor(window, glfwGetPrimaryMonitor(), 0, 0, videoMode.width(), videoMode.height(), 0);
} else {
glfwSetWindowMonitor(window, 0, savedPosX, savedPosY, savedWidth, savedHeight, 0);
}
}
savedWidth = width;
savedHeight = height;
glfwGetWindowPos(window, windowXPos, windowYPos);
glfwSetWindowMonitor(window, glfwGetPrimaryMonitor(), 0, 0, videoMode.width(), videoMode.height(), 0);
} else {
glfwSetWindowMonitor(window, 0, savedPosX, savedPosY, savedWidth, savedHeight, 0);
}
}
// resized getter
// resized getter
public boolean isResized() {
return isResized;
}
public boolean isResized() {
return isResized;
}
// Creates the window (should go in the init() function of your Main program)
public void create() {
// Creates the window (should go in the init() function of your Main program)
public void create() throws Exception {
// initializing glfw
if (!glfwInit()) {
System.err.println("Failed to initialize GLFW! ");
System.exit(1);
}
GLFWErrorCallback.createPrint(System.err).set();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL11.GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
// initializing glfw
if (!glfwInit()) {
//System.err.println("Failed to initialize GLFW! ");
//System.exit(1);
throw new Exception("Failed to initialize GLFW! ");
}
//Creating window
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);
}
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);
// Setting size of window
//Creating window
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);
throw new Exception("Failed to create window! ");
}
videoMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
windowXPos[0] = (videoMode.width() - this.width) / 2;
windowYPos[0] = (videoMode.height() - this.height ) / 2;
glfwSetWindowPos(window, windowXPos[0], windowYPos[0]);
// Setting size of window
videoMode = glfwGetVideoMode(glfwGetPrimaryMonitor());
windowXPos[0] = (videoMode.width() - this.width) / 2;
windowYPos[0] = (videoMode.height() - this.height ) / 2;
glfwSetWindowPos(window, windowXPos[0], windowYPos[0]);
// Graphics
glfwMakeContextCurrent(window);
GL.createCapabilities();
// Graphics
glfwMakeContextCurrent(window);
GL.createCapabilities();
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_DEPTH_TEST);
callBacks();
glfwShowWindow(window);
glfwSwapInterval(1);
callBacks();
glfwShowWindow(window);
glfwSwapInterval(1);
// setting time
// setting time
time = System.currentTimeMillis();
time = System.currentTimeMillis();
}
}
// Creating the resize callback (all other callbacks were removed and are now in Input class)
private void callBacks() {
// Creating the resize callback (all other callbacks were removed and are now in Input class)
private void callBacks() {
resizeCallback = new GLFWWindowSizeCallback() {
resizeCallback = new GLFWWindowSizeCallback() {
@Override
public void invoke(long window, int w, int h) {
width = w;
height = h;
isResized = true;
}
};
@Override
public void invoke(long window, int w, int h) {
width = w;
height = h;
isResized = true;
}
};
glfwSetWindowSizeCallback(window, resizeCallback);
}
glfwSetWindowSizeCallback(window, resizeCallback);
}
// Refreshes the screen, resets frame count
public int update() {
if (isResized) {
GL11.glViewport(0, 0, width, height);
isResized = false;
}
GL11.glClearColor(background.getX(), background.getY(), background.getZ(), 1.0F);
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
glfwPollEvents();
frames++;
if (System.currentTimeMillis() > time + 1000) {
previousFrames = frames;
time = System.currentTimeMillis();
frames = 0;
return frames;
} else {
return previousFrames;
// Refreshes the screen, resets frame count
public int update() {
if (isResized) {
GL11.glViewport(0, 0, width, height);
isResized = false;
}
GL11.glClearColor(background.getX(), background.getY(), background.getZ(), 1.0F);
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
glfwPollEvents();
frames++;
if (System.currentTimeMillis() > time + 1000) {
previousFrames = frames;
time = System.currentTimeMillis();
frames = 0;
return frames;
} else {
return previousFrames;
}
}
}
}
// Terminates the program (making WindowShouldClose)
// Terminates the program (making WindowShouldClose)
public void terminate() {
glfwSetWindowShouldClose(window, true);
}
public void terminate() {
glfwSetWindowShouldClose(window, true);
}
// Completely DESTROYS the window
public void destroy() {
resizeCallback.free();
glfwDestroyWindow(window);
glfwTerminate();
}
// Completely DESTROYS the window
public void destroy() {
resizeCallback.free();
glfwSetErrorCallback(null).free();
glfwDestroyWindow(window);
glfwTerminate();
}
// switches the buffers (for rendering)
// switches the buffers (for rendering)
public void swapBuffers() {
glfwSwapBuffers(window);
}
public void swapBuffers() {
glfwSwapBuffers(window);
}
// get whether the window should close
public boolean shouldClose() {
return glfwWindowShouldClose(window);
}
// get whether the window should close
public boolean shouldClose() {
return glfwWindowShouldClose(window);
}
// changes the background color
// changes the background color
public void setBackgroundColor(float r, float g, float b) {
background.setVector(r, g, b);
}
public void setBackgroundColor(float r, float g, float b) {
background.setVector(r, g, b);
}
}

View File

@ -7,115 +7,115 @@ import java.util.Arrays;
import static org.lwjgl.glfw.GLFW.*;
public class Input {
private boolean[] keys = new boolean[GLFW.GLFW_KEY_LAST];
private boolean[] buttons = new boolean[GLFW.GLFW_MOUSE_BUTTON_LAST];
private boolean[] keys = new boolean[GLFW.GLFW_KEY_LAST];
private boolean[] buttons = new boolean[GLFW.GLFW_MOUSE_BUTTON_LAST];
private int[] keyState = new int[GLFW.GLFW_KEY_LAST];
private int[] buttonState = new int[GLFW.GLFW_MOUSE_BUTTON_LAST];
private int[] keyState = new int[GLFW.GLFW_KEY_LAST];
private int[] buttonState = new int[GLFW.GLFW_MOUSE_BUTTON_LAST];
private long window;
private Display display;
private long window;
private Display display;
private boolean inWindow;
private boolean inWindow;
private double mouseX, mouseY;
private double scrollX, scrollY;
private double mouseX, mouseY;
private double scrollX, scrollY;
// Sets up the callbacks based on the window
public Input(Display d) {
this.display = d;
this.window = this.display.getWindow();
// Sets up the callbacks based on the window
public Input(Display d) {
this.display = d;
this.window = this.display.getWindow();
glfwSetKeyCallback(this.window, (window, key, scancode, action, mods) -> {
keys[key] = action != GLFW.GLFW_RELEASE;
keyState[key] = action;
});
glfwSetKeyCallback(this.window, (window, key, scancode, action, mods) -> {
keys[key] = action != GLFW.GLFW_RELEASE;
keyState[key] = action;
});
glfwSetMouseButtonCallback(this.window, (window, button, action, mods) -> {
buttons[button] = action != GLFW.GLFW_RELEASE;
buttonState[button] = action;
});
glfwSetMouseButtonCallback(this.window, (window, button, action, mods) -> {
buttons[button] = action != GLFW.GLFW_RELEASE;
buttonState[button] = action;
});
glfwSetCursorPosCallback(this.window, (window, xpos, ypos) -> {
mouseX = xpos;
mouseY = ypos;
});
glfwSetCursorPosCallback(this.window, (window, xpos, ypos) -> {
mouseX = xpos;
mouseY = ypos;
});
glfwSetCursorEnterCallback(this.window, (window, entered) -> {
inWindow = entered;
});
glfwSetCursorEnterCallback(this.window, (window, entered) -> {
inWindow = entered;
});
glfwSetScrollCallback(this.window, (window, xoffset, yoffset) -> {
scrollX += xoffset;
scrollY += yoffset;
});
glfwSetScrollCallback(this.window, (window, xoffset, yoffset) -> {
scrollX += xoffset;
scrollY += yoffset;
});
resetKeyboard();
resetButtons();
}
resetKeyboard();
resetButtons();
}
// All states (is<name>Down will return whether it has been held down but <name>Press only returns a press)
// All states (is<name>Down will return whether it has been held down but <name>Press only returns a press)
public boolean isKeyDown(int key) {
return keys[key];
}
public boolean isKeyDown(int key) {
return keys[key];
}
public boolean keyPress(int key) {
return keyState[key] == GLFW.GLFW_PRESS;
}
public boolean keyPress(int key) {
return keyState[key] == GLFW.GLFW_PRESS;
}
public boolean keyReleased(int key) {
return keyState[key] == GLFW.GLFW_RELEASE;
}
public boolean keyReleased(int key) {
return keyState[key] == GLFW.GLFW_RELEASE;
}
public boolean isButtonDown(int button) {
return buttons[button];
}
public boolean isButtonDown(int button) {
return buttons[button];
}
public boolean buttonPress(int button) {
return buttonState[button] == GLFW.GLFW_PRESS;
}
public boolean buttonPress(int button) {
return buttonState[button] == GLFW.GLFW_PRESS;
}
public boolean buttonReleased(int button) {
return buttonState[button] == GLFW.GLFW_RELEASE;
}
public boolean buttonReleased(int button) {
return buttonState[button] == GLFW.GLFW_RELEASE;
}
// Resets keyboard and buttons so the presses will only be registered once
private void resetKeyboard() {
Arrays.fill(keyState, -1);
}
// Resets keyboard and buttons so the presses will only be registered once
private void resetKeyboard() {
Arrays.fill(keyState, -1);
}
private void resetButtons() {
Arrays.fill(buttonState, -1);
}
private void resetButtons() {
Arrays.fill(buttonState, -1);
}
// This function should only be called after all input has been taken inside the loop. It must be called if keyPress and buttonPress should work.
// This function should only be called after all input has been taken inside the loop. It must be called if keyPress and buttonPress should work.
public void reset() {
resetKeyboard();
resetButtons();
}
public void reset() {
resetKeyboard();
resetButtons();
}
// Scroll, mouse, and window getters
// Scroll, mouse, and window getters
public double getMouseX() {
return mouseX;
}
public double getMouseX() {
return mouseX;
}
public double getMouseY() {
return mouseY;
}
public double getMouseY() {
return mouseY;
}
public boolean inWindow() {
return inWindow;
}
public boolean inWindow() {
return inWindow;
}
public double getScrollX() {
return scrollX;
}
public double getScrollX() {
return scrollX;
}
public double getScrollY() {
return scrollY;
}
public double getScrollY() {
return scrollY;
}
}

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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;
}
}

View File

@ -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;
}
}

View File

@ -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;
}
}

View File

@ -7,22 +7,22 @@ import java.io.InputStreamReader;
public class FileUtils {
// Reads a filepath and returns that as a String
public static String loadAsString(String filepath) {
StringBuilder result = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new
InputStreamReader(FileUtils.class.getResourceAsStream(filepath)))) {
String line = "";
while ((line = reader.readLine()) != null) {
result.append(line) .append("\n");
}
} catch (Exception e) {
System.err.println("Couldn't get the file at " + filepath);
System.exit(1);
// Reads a filepath and returns that as a String
public static String loadAsString(String filepath) {
StringBuilder result = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new
InputStreamReader(FileUtils.class.getResourceAsStream(filepath)))) {
String line = "";
while ((line = reader.readLine()) != null) {
result.append(line) .append("\n");
}
} catch (Exception e) {
System.err.println("Couldn't get the file at " + filepath);
System.exit(1);
}
}
return result.toString();
}
return result.toString();
}
}

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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);

View File

@ -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;
}