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authordaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
committerdaoge_cmd <3523206925@qq.com>2026-03-01 12:16:08 +0800
commitb691c43c44ff180d10e7d4a9afc83b98551ff586 (patch)
tree3e9849222cbc6ba49f2f1fc6e5fe7179632c7390 /Minecraft.Client/ArrowRenderer.cpp
parentdef8cb415354ac390b7e89052a50605285f1aca9 (diff)
Initial commit
Diffstat (limited to 'Minecraft.Client/ArrowRenderer.cpp')
-rw-r--r--Minecraft.Client/ArrowRenderer.cpp86
1 files changed, 86 insertions, 0 deletions
diff --git a/Minecraft.Client/ArrowRenderer.cpp b/Minecraft.Client/ArrowRenderer.cpp
new file mode 100644
index 00000000..65c4ee71
--- /dev/null
+++ b/Minecraft.Client/ArrowRenderer.cpp
@@ -0,0 +1,86 @@
+#include "stdafx.h"
+#include "ArrowRenderer.h"
+#include "..\Minecraft.World\net.minecraft.world.entity.projectile.h"
+#include "..\Minecraft.World\Mth.h"
+
+void ArrowRenderer::render(shared_ptr<Entity> _arrow, double x, double y, double z, float rot, float a)
+{
+ // 4J - original version used generics and thus had an input parameter of type Arrow rather than shared_ptr<Entity> we have here -
+ // do some casting around instead
+ shared_ptr<Arrow> arrow = dynamic_pointer_cast<Arrow>(_arrow);
+ bindTexture(TN_ITEM_ARROWS); // 4J - was L"/item/arrows.png"
+
+ glPushMatrix();
+
+ float yRot = arrow->yRot;
+ float xRot = arrow->xRot;
+ float yRotO = arrow->yRotO;
+ float xRotO = arrow->xRotO;
+ if( ( yRot - yRotO ) > 180.0f ) yRot -= 360.0f;
+ else if( ( yRot - yRotO ) < -180.0f ) yRot += 360.0f;
+ if( ( xRot - xRotO ) > 180.0f ) xRot -= 360.0f;
+ else if( ( xRot - xRotO ) < -180.0f ) xRot += 360.0f;
+
+ glTranslatef((float)x, (float)y, (float)z);
+ glRotatef(yRotO + (yRot - yRotO) * a - 90, 0, 1, 0);
+ glRotatef(xRotO + (xRot - xRotO) * a, 0, 0, 1);
+
+ Tesselator *t = Tesselator::getInstance();
+ int type = 0;
+
+ float u0 = 0 / 32.0f;
+ float u1 = 16 / 32.0f;
+ float v0 = (0 + type * 10) / 32.0f;
+ float v1 = (5 + type * 10) / 32.0f;
+
+ float u02 = 0 / 32.0f;
+ float u12 = 5 / 32.0f;
+ float v02 = (5 + type * 10) / 32.0f;
+ float v12 = (10 + type * 10) / 32.0f;
+ float ss = 0.9f / 16.0f;
+ glEnable(GL_RESCALE_NORMAL);
+ float shake = arrow->shakeTime-a;
+ if (shake>0)
+ {
+ float pow = -Mth::sin(shake*3)*shake;
+ glRotatef(pow, 0, 0, 1);
+ }
+ glRotatef(45, 1, 0, 0);
+ glScalef(ss, ss, ss);
+
+ glTranslatef(-4, 0, 0);
+
+// glNormal3f(ss, 0, 0); // 4J - changed to use tesselator
+ t->begin();
+ t->normal(1,0,0);
+ t->vertexUV((float)(-7), (float)( -2), (float)( -2), (float)( u02), (float)( v02));
+ t->vertexUV((float)(-7), (float)( -2), (float)( +2), (float)( u12), (float)( v02));
+ t->vertexUV((float)(-7), (float)( +2), (float)( +2), (float)( u12), (float)( v12));
+ t->vertexUV((float)(-7), (float)( +2), (float)( -2), (float)( u02), (float)( v12));
+ t->end();
+
+// glNormal3f(-ss, 0, 0); // 4J - changed to use tesselator
+ t->begin();
+ t->normal(-1,0,0);
+ t->vertexUV((float)(-7), (float)( +2), (float)( -2), (float)( u02), (float)( v02));
+ t->vertexUV((float)(-7), (float)( +2), (float)( +2), (float)( u12), (float)( v02));
+ t->vertexUV((float)(-7), (float)( -2), (float)( +2), (float)( u12), (float)( v12));
+ t->vertexUV((float)(-7), (float)( -2), (float)( -2), (float)( u02), (float)( v12));
+ t->end();
+
+ for (int i = 0; i < 4; i++)
+ {
+
+ glRotatef(90, 1, 0, 0);
+// glNormal3f(0, 0, ss); // 4J - changed to use tesselator
+ t->begin();
+ t->normal(0,0,1);
+ t->vertexUV((float)(-8), (float)( -2), (float)( 0), (float)( u0), (float)( v0));
+ t->vertexUV((float)(+8), (float)( -2), (float)( 0), (float)( u1), (float)( v0));
+ t->vertexUV((float)(+8), (float)( +2), (float)( 0), (float)( u1), (float)( v1));
+ t->vertexUV((float)(-8), (float)( +2), (float)( 0), (float)( u0), (float)( v1));
+ t->end();
+ }
+ glDisable(GL_RESCALE_NORMAL);
+ glPopMatrix();
+} \ No newline at end of file