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First player sprite iterations

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Gnarwhal 2024-08-07 05:02:53 +00:00
commit 68c7c8cbf3
Signed by: Gnarwhal
GPG key ID: 0989A73D8C421174
37 changed files with 3093 additions and 0 deletions
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src/com/gnarwhal/ld46/engine/display/Framebuffer.java Normal file
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package com.gnarwhal.ld46.engine.display;
import com.gnarwhal.ld46.engine.texture.Texture;
import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.opengl.GL30.*;
import static org.lwjgl.opengl.GL32.glFramebufferTexture;
public class Framebuffer {
int fbo, rbo, width, height;
int colorBuf, depthTex;
float r, g, b, a;
Framebuffer(int width, int height, float r, float g, float b, float a) {
this.width = width;
this.height = height;
this.r = r;
this.g = g;
this.b = b;
this.a = a;
fbo = glGenFramebuffers();
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
rbo = 0;
colorBuf = 0;
depthTex = 0;
}
Framebuffer addColorAttachment(Texture texture) {
if (colorBuf == 0) {
int id = glGenTextures();
glBindTexture(GL_TEXTURE_2D, id);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
texture = new Texture(id, width, height);
colorBuf = 1;
}
return this;
}
Framebuffer addDepthTextureAttachment(Texture texture) {
if (depthTex == 0) {
int id = glGenTextures();
glBindTexture(GL_TEXTURE_2D, id);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, id, 0);
texture = new Texture(id, width, height);
depthTex = 1;
}
return this;
}
Framebuffer addDepthBufferAttachment() {
if (rbo == 0) {
rbo = glGenRenderbuffers();
glBindRenderbuffer(GL_RENDERBUFFER, rbo);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, width, height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rbo);
}
return this;
}
void bind() {
glBindTexture(GL_TEXTURE_2D, 0);
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glViewport(0, 0, width, height);
glClearColor(r, g, b, a);
}
void unbind(Window window) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, window.getWidth(), window.getHeight());
window.activateClearColor();
}
void clear() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
public void cleanup() {
if (rbo != 0)
glDeleteRenderbuffers(rbo);
glDeleteFramebuffers(fbo);
}
}