Added some more things to the OpenGL Emulator

Added a BufferUtils class, and rewrote "glOrtho" to take in float & double parameters.
This commit is contained in:
PeytonPlayz595 2023-07-10 12:02:29 -04:00
parent 47b06dbdbd
commit 879a479353
2 changed files with 50 additions and 7 deletions

View File

@ -325,23 +325,43 @@ public class GlStateManager extends LWJGL {
_wglClear(p1);
}
public static final void glOrtho(float left, float right, float bottom, float top, float zNear, float zFar) {
public static final void glOrtho(double l, double r, double b, double t, double n, double f) {
Matrix4f res = getMatrix();
res.m00 = 2.0f / (right - left);
res.m00 = (float) (2.0f / (r - l));
res.m01 = 0.0f;
res.m02 = 0.0f;
res.m03 = 0.0f;
res.m10 = 0.0f;
res.m11 = 2.0f / (top - bottom);
res.m11 = (float) (2.0f / (t - b));
res.m12 = 0.0f;
res.m13 = 0.0f;
res.m20 = 0.0f;
res.m21 = 0.0f;
res.m22 = 2.0f / (zFar - zNear);
res.m22 = (float) (2.0f / (f - n));
res.m23 = 0.0f;
res.m30 = -(right + left) / (right - left);
res.m31 = -(top + bottom) / (top - bottom);
res.m32 = (zFar + zNear) / (zFar - zNear);
res.m30 = (float) (-(r + l) / (r - l));
res.m31 = (float) (-(t + b) / (t - b));
res.m32 = (float) ((f + n) / (f - n));
res.m33 = 1.0f;
}
public static final void glOrtho(float l, float r, float b, float t, float n, float f) {
Matrix4f res = getMatrix();
res.m00 = 2.0f / (r - l);
res.m01 = 0.0f;
res.m02 = 0.0f;
res.m03 = 0.0f;
res.m10 = 0.0f;
res.m11 = 2.0f / (t - b);
res.m12 = 0.0f;
res.m13 = 0.0f;
res.m20 = 0.0f;
res.m21 = 0.0f;
res.m22 = 2.0f / (f - n);
res.m23 = 0.0f;
res.m30 = -(r + l) / (r - l);
res.m31 = -(t + b) / (t - b);
res.m32 = (f + n) / (f - n);
res.m33 = 1.0f;
}

View File

@ -0,0 +1,23 @@
package org.lwjgl;
import java.nio.ByteBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
import net.PeytonPlayz585.minecraft.GLAllocation;
public class BufferUtils {
public static ByteBuffer createByteBuffer(int parInt) {
return GLAllocation.createDirectByteBuffer(parInt);
}
public static IntBuffer createIntBuffer(int parInt) {
return GLAllocation.createDirectIntBuffer(parInt);
}
public static FloatBuffer createFloatBuffer(int parInt) {
return GLAllocation.createDirectFloatBuffer(parInt);
}
}