First commit

2015-12-23 18:38:34 +01:00 · 2015-12-23 18:38:34 +01:00 · 58c64ab472
commit 58c64ab472
62 changed files with 29291 additions and 0 deletions
--- a/src/mrdev023/rendering/Shader.java
+++ b/src/mrdev023/rendering/Shader.java
@ -0,0 +1,117 @@
+package mrdev023.rendering;
+
+import static org.lwjgl.opengl.GL11.*;
+import static org.lwjgl.opengl.GL20.*;
+
+import java.io.*;
+
+import mrdev023.math.*;
+import mrdev023.utils.*;
+
+public class Shader {
+
+	public int program;
+	public int includeV = 0,includeF = 0;
+	public static Shader MAIN,LIGHT,LIGHT_AMBIENT;
+	
+	public static void init() {
+		MAIN = new Shader("res/shaders/main");
+		LIGHT = new Shader("res/shaders/light");
+		LIGHT_AMBIENT = new Shader("res/shaders/light_ambient");
+	}
+
+	public Shader(String file){
+		String vertexShader = "";
+		try {
+			vertexShader = IO.loadFile(file + ".vert");
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.exit(-1);
+		}
+		vertexShader = loadShader(vertexShader,0,file + ".vert");
+		String fragmentShader = "";
+		try {
+			fragmentShader = IO.loadFile(file + ".frag");
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.exit(-1);
+		}
+		fragmentShader = loadShader(fragmentShader,1,file + ".vert");
+		program = glCreateProgram();
+		int vert = glCreateShader(GL_VERTEX_SHADER);
+		int frag = glCreateShader(GL_FRAGMENT_SHADER);
+		glShaderSource(vert, vertexShader);
+		glShaderSource(frag, fragmentShader);
+		glCompileShader(vert);
+		if (glGetShaderi(vert, GL_COMPILE_STATUS) == GL_FALSE) {
+			System.err.println(glGetShaderInfoLog(vert, 2048));
+			System.exit(1);
+		}
+		glCompileShader(frag);
+		if (glGetShaderi(frag, GL_COMPILE_STATUS) == GL_FALSE) {
+			System.err.println(glGetShaderInfoLog(frag, 2048));
+			System.exit(1);
+		}
+		glAttachShader(program, vert);
+		glAttachShader(program, frag);
+		glLinkProgram(program);
+		glValidateProgram(program);
+		System.out.println("Shader " + file + ".vert loaded with " + includeV + " include !");
+		System.out.println("Shader " + file + ".frag loaded with " + includeF + " include !");
+	}
+	
+	public String loadShader(String shader,int a,String name){
+		String st = "";
+		BufferedReader reader = new BufferedReader(new StringReader(shader));
+		String buffer = "";
+		int line = 0;
+		try {
+			while ((buffer = reader.readLine()) != null) {
+				line++;
+				if(buffer.startsWith("#include")){
+					if(a == 0){
+						includeV++;
+					}else{
+						includeF++;
+					}
+					String path = buffer.substring(10, buffer.length() - 1);
+					String sh = IO.loadFile("res/shaders/" + path);
+					buffer += sh;
+				}else{
+					st += buffer + "\n";
+				}
+			}
+			reader.close();
+		} catch (IOException e) {
+			System.err.println("include file not found in " + name + " #" + line + " !");
+			System.exit(-1);
+		}
+		return st;
+	}
+	
+	public void bind(){
+		glUseProgram(program);
+	}
+	
+	public void unbind(){
+		glUseProgram(0);
+	}
+	
+	public void uniform(String name,float v){
+		glUniform1f(glGetUniformLocation(program, name), v);
+	}
+	
+	public void uniform(String name,Vector3f vec){
+		glUniform3f(glGetUniformLocation(program, name), vec.x,vec.y,vec.z);
+	}
+	
+	public void uniform(String name,Matrix4f mat){
+		glUniformMatrix4fv(glGetUniformLocation(program, name),true, mat.getBuffer());
+	}
+
+	public void uniform(String name, Color4f v) {
+		glUniform4f(glGetUniformLocation(program, name), v.getR(),v.getG(),v.getB(),v.getA());
+	}
+
+
+}