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Added a more intuitive renderFluidQuad function with doc

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Chicken-Bomes committed 2014-02-13 15:50:23 +10:00
1 parent e274d1c512
commit 23b79b7b15
1 file changed
+22 -13
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codechicken/lib/render/RenderUtils.java
+22 -13
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@@ -47,18 +47,28 @@ public class RenderUtils
entityItem = new EntityItem(null);
entityItem.hoverStart = 0;
}
public static void renderFluidQuad(Vector3 point1, Vector3 point2, Vector3 point3, Vector3 point4, Icon icon, double res)
{
renderFluidQuad(point2, vectors[0].set(point4).subtract(point1), vectors[1].set(point1).subtract(point2), icon, res);
}
/**
* Draws a tessellated quadrilateral bottom to top, left to right
* @param base The bottom left corner of the quad
* @param wide The bottom of the quad
* @param high The left side of the quad
* @param res Units per icon
*/
public static void renderFluidQuad(Vector3 base, Vector3 wide, Vector3 high, Icon icon, double res)
{
Tessellator t = Tessellator.instance;
double u1 = icon.getMinU();
double du = icon.getMaxU()-icon.getMinU();
double v2 = icon.getMaxV();
double dv = icon.getMaxV()-icon.getMinV();
Vector3 wide = vectors[0].set(point4).subtract(point1);
Vector3 high = vectors[1].set(point1).subtract(point2);
Tessellator t = Tessellator.instance;
double wlen = wide.mag();
double hlen = high.mag();
@@ -81,10 +91,10 @@ public class RenderUtils
Vector3 dy1 = vectors[4].set(high).multiply(y/hlen);
Vector3 dy2 = vectors[5].set(high).multiply((y+ry)/hlen);
t.addVertexWithUV(point2.x+dx1.x+dy2.x, point2.y+dx1.y+dy2.y, point2.z+dx1.z+dy2.z, u1, v2-ry/res*dv);
t.addVertexWithUV(point2.x+dx1.x+dy1.x, point2.y+dx1.y+dy1.y, point2.z+dx1.z+dy1.z, u1, v2);
t.addVertexWithUV(point2.x+dx2.x+dy1.x, point2.y+dx2.y+dy1.y, point2.z+dx2.z+dy1.z, u1+rx/res*du, v2);
t.addVertexWithUV(point2.x+dx2.x+dy2.x, point2.y+dx2.y+dy2.y, point2.z+dx2.z+dy2.z, u1+rx/res*du, v2-ry/res*dv);
t.addVertexWithUV(base.x+dx1.x+dy2.x, base.y+dx1.y+dy2.y, base.z+dx1.z+dy2.z, u1, v2-ry/res*dv);
t.addVertexWithUV(base.x+dx1.x+dy1.x, base.y+dx1.y+dy1.y, base.z+dx1.z+dy1.z, u1, v2);
t.addVertexWithUV(base.x+dx2.x+dy1.x, base.y+dx2.y+dy1.y, base.z+dx2.z+dy1.z, u1+rx/res*du, v2);
t.addVertexWithUV(base.x+dx2.x+dy2.x, base.y+dx2.y+dy2.y, base.z+dx2.z+dy2.z, u1+rx/res*du, v2-ry/res*dv);
y+=ry;
}
@@ -298,10 +308,9 @@ public class RenderUtils
Icon tex = prepareFluidRender(stack, alpha);
CCRenderState.startDrawing(7);
renderFluidQuad(
new Vector3(rect.x, rect.y, 0),
new Vector3(rect.x, rect.y+rect.h, 0),
new Vector3(rect.x+rect.w, rect.y+rect.h, 0),
new Vector3(rect.x+rect.w, rect.y, 0), tex, res);
new Vector3(rect.w,0, 0),
new Vector3(0, -rect.h, 0), tex, res);
CCRenderState.draw();
postFluidRender();
}