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unproject click cursed

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This commit is contained in:
Leijurv
2019-03-12 18:00:30 -07:00
parent 6bd2e90cfd
commit ddfeca6947
1 changed files with 192 additions and 5 deletions
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197
src/main/java/baritone/utils/GuiClickMeme.java
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@@ -53,9 +53,13 @@ public class GuiClickMeme extends GuiScreen {
}
@Override
public void render(int mouseX, int mouseY, float partialTicks) {
double mx = mc.mouseHelper.getMouseX();
double my = mc.mouseHelper.getMouseY();
my = mc.mainWindow.getHeight() - my;
my *= 2;
mx *= 2;
Vec3d near = toWorld(mx, my, 0);
Vec3d far = toWorld(mx, my, 1); // "Use 0.945 that's what stack overflow says" - leijurv
if (near != null && far != null) {
@@ -91,11 +95,194 @@ public class GuiClickMeme extends GuiScreen {
}
public Vec3d toWorld(double x, double y, double z) {
// TODO: (1.13.2) Fix unproject
// boolean result = GLU.gluUnProject((float) x, (float) y, (float) z, MODELVIEW, PROJECTION, VIEWPORT, (FloatBuffer) TO_WORLD_BUFFER.clear());
// if (result) {
// return new Vec3d(TO_WORLD_BUFFER.get(0), TO_WORLD_BUFFER.get(1), TO_WORLD_BUFFER.get(2));
// }
boolean result = gluUnProject((float) x, (float) y, (float) z, MODELVIEW, PROJECTION, VIEWPORT, (FloatBuffer) TO_WORLD_BUFFER.clear());
if (result) {
return new Vec3d(TO_WORLD_BUFFER.get(0), TO_WORLD_BUFFER.get(1), TO_WORLD_BUFFER.get(2));
}
return null;
}
// skidded from lwjgl2 :ok_hand:
// its uhhhhh mit license so its ok
// here is the uhh license
/*
* Copyright (c) 2002-2007 Lightweight Java Game Library Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'Light Weight Java Game Library' nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
public static boolean gluUnProject(
float winx,
float winy,
float winz,
FloatBuffer modelMatrix,
FloatBuffer projMatrix,
IntBuffer viewport,
FloatBuffer obj_pos) {
FloatBuffer finalMatrix = BufferUtils.createFloatBuffer(16);
float[] in = new float[4];
float[] out = new float[4];
__gluMultMatricesf(modelMatrix, projMatrix, finalMatrix);
if (!__gluInvertMatrixf(finalMatrix, finalMatrix))
return false;
in[0] = winx;
in[1] = winy;
in[2] = winz;
in[3] = 1.0f;
// Map x and y from window coordinates
in[0] = (in[0] - viewport.get(viewport.position() + 0)) / viewport.get(viewport.position() + 2);
in[1] = (in[1] - viewport.get(viewport.position() + 1)) / viewport.get(viewport.position() + 3);
// Map to range -1 to 1
in[0] = in[0] * 2 - 1;
in[1] = in[1] * 2 - 1;
in[2] = in[2] * 2 - 1;
__gluMultMatrixVecf(finalMatrix, in, out);
if (out[3] == 0.0)
return false;
out[3] = 1.0f / out[3];
obj_pos.put(obj_pos.position() + 0, out[0] * out[3]);
obj_pos.put(obj_pos.position() + 1, out[1] * out[3]);
obj_pos.put(obj_pos.position() + 2, out[2] * out[3]);
return true;
}
private static void __gluMultMatrixVecf(FloatBuffer m, float[] in, float[] out) {
for (int i = 0; i < 4; i++) {
out[i] =
in[0] * m.get(m.position() + 0 * 4 + i)
+ in[1] * m.get(m.position() + 1 * 4 + i)
+ in[2] * m.get(m.position() + 2 * 4 + i)
+ in[3] * m.get(m.position() + 3 * 4 + i);
}
}
private static void __gluMultMatricesf(FloatBuffer a, FloatBuffer b, FloatBuffer r) {
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
r.put(r.position() + i * 4 + j,
a.get(a.position() + i * 4 + 0) * b.get(b.position() + 0 * 4 + j) + a.get(a.position() + i * 4 + 1) * b.get(b.position() + 1 * 4 + j) + a.get(a.position() + i * 4 + 2) * b.get(b.position() + 2 * 4 + j) + a.get(a.position() + i * 4 + 3) * b.get(b.position() + 3 * 4 + j));
}
}
}
private static boolean __gluInvertMatrixf(FloatBuffer src, FloatBuffer inverse) {
int i, j, k, swap;
float t;
FloatBuffer temp = BufferUtils.createFloatBuffer(16);
for (i = 0; i < 16; i++) {
temp.put(i, src.get(i + src.position()));
}
__gluMakeIdentityf(inverse);
for (i = 0; i < 4; i++) {
/*
* * Look for largest element in column
*/
swap = i;
for (j = i + 1; j < 4; j++) {
/*
* if (fabs(temp[j][i]) > fabs(temp[i][i])) { swap = j;
*/
if (Math.abs(temp.get(j * 4 + i)) > Math.abs(temp.get(i * 4 + i))) {
swap = j;
}
}
if (swap != i) {
/*
* * Swap rows.
*/
for (k = 0; k < 4; k++) {
t = temp.get(i * 4 + k);
temp.put(i * 4 + k, temp.get(swap * 4 + k));
temp.put(swap * 4 + k, t);
t = inverse.get(i * 4 + k);
inverse.put(i * 4 + k, inverse.get(swap * 4 + k));
//inverse.put((i << 2) + k, inverse.get((swap << 2) + k));
inverse.put(swap * 4 + k, t);
//inverse.put((swap << 2) + k, t);
}
}
if (temp.get(i * 4 + i) == 0) {
/*
* * No non-zero pivot. The matrix is singular, which shouldn't *
* happen. This means the user gave us a bad matrix.
*/
return false;
}
t = temp.get(i * 4 + i);
for (k = 0; k < 4; k++) {
temp.put(i * 4 + k, temp.get(i * 4 + k) / t);
inverse.put(i * 4 + k, inverse.get(i * 4 + k) / t);
}
for (j = 0; j < 4; j++) {
if (j != i) {
t = temp.get(j * 4 + i);
for (k = 0; k < 4; k++) {
temp.put(j * 4 + k, temp.get(j * 4 + k) - temp.get(i * 4 + k) * t);
inverse.put(j * 4 + k, inverse.get(j * 4 + k) - inverse.get(i * 4 + k) * t);
/*inverse.put(
(j << 2) + k,
inverse.get((j << 2) + k) - inverse.get((i << 2) + k) * t);*/
}
}
}
}
return true;
}
private static final float[] IDENTITY_MATRIX =
new float[]{
1.0f, 0.0f, 0.0f, 0.0f,
0.0f, 1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f};
private static void __gluMakeIdentityf(FloatBuffer m) {
int oldPos = m.position();
m.put(IDENTITY_MATRIX);
m.position(oldPos);
}
}