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| author | Tyler Murphy <tylerm@tylerm.dev> | 2023-04-17 12:12:01 -0400 |
|---|---|---|
| committer | Tyler Murphy <tylerm@tylerm.dev> | 2023-04-17 12:12:01 -0400 |
| commit | 180aad05decc7eefa87e4e45d6747c48f40e5361 (patch) | |
| tree | 51545197f7c94b4022acab880772c9f4fc65db0e /src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java | |
| download | minecraftjava-180aad05decc7eefa87e4e45d6747c48f40e5361.tar.gz minecraftjava-180aad05decc7eefa87e4e45d6747c48f40e5361.tar.bz2 minecraftjava-180aad05decc7eefa87e4e45d6747c48f40e5361.zip | |
Diffstat (limited to 'src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java')
| -rwxr-xr-x | src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java b/src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java new file mode 100755 index 0000000..093a58e --- /dev/null +++ b/src/main/java/net/tylermurphy/Minecraft/Render/Data/Mesh.java @@ -0,0 +1,82 @@ +package net.tylermurphy.Minecraft.Render.Data;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL15;
+import org.lwjgl.opengl.GL20;
+import org.lwjgl.opengl.GL30;
+
+import java.io.Serializable;
+import java.nio.FloatBuffer;
+import java.nio.IntBuffer;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Mesh implements Serializable {
+
+ private static final long serialVersionUID = -8137846451745511907L;
+
+ public static List<Integer> vaos = new ArrayList<>();
+ public static List<Integer> vbos = new ArrayList<>();
+
+ private final int id;
+ private final int vertexCount;
+ private int counter = 0;
+
+ public Mesh(int vertexCount){
+ this.id = GL30.glGenVertexArrays();
+ vaos.add(id);
+ this.vertexCount = vertexCount;
+ GL30.glBindVertexArray(id);
+ }
+
+ public Mesh store(float[] data, int coordinateSize){
+ int id = GL15.glGenBuffers();
+ vbos.add(id);
+ GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, id);
+ FloatBuffer buffer = BufferUtils.createFloatBuffer(data.length);
+ buffer.put(data);
+ buffer.flip();
+ GL15.glBufferData(GL15.GL_ARRAY_BUFFER, buffer, GL15.GL_STATIC_DRAW);
+ GL20.glVertexAttribPointer(counter,coordinateSize, GL11.GL_FLOAT,false,0,0);
+ GL15.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
+ counter++;
+ return this;
+ }
+
+ public Mesh finish(){
+ GL30.glBindVertexArray(0);
+ return this;
+ }
+
+ public void delete(){
+ IntBuffer amount = BufferUtils.createIntBuffer(1);
+ GL20.glGetIntegerv(GL20.GL_MAX_VERTEX_ATTRIBS, amount);
+ GL30.glBindVertexArray(id);
+ for (int i=0; i < amount.get(0); i++) {
+ IntBuffer vbo = BufferUtils.createIntBuffer(1);
+ GL20.glGetVertexAttribiv(i, GL20.GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, vbo);
+ if(vbo.get(0) > 0) {
+ GL15.glDeleteBuffers(vbo.get(0));
+ }
+ }
+ GL30.glDeleteVertexArrays(id);
+ }
+
+ public int getID() {
+ return id;
+ }
+ public int getVertexCount() {
+ return vertexCount;
+ }
+
+ public static void cleanUp() {
+ for(int vao:vaos){
+ GL30.glDeleteVertexArrays(vao);
+ }
+ for(int vbo:vbos){
+ GL30.glDeleteBuffers(vbo);
+ }
+ }
+
+}
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