More cursor stuff WIP

src/toBeSorted/d_emitter_callbacks.cpp

@@ -0,0 +1,61 @@
+#include "toBeSorted/d_emitter_callbacks.h"
+#include "JSystem/JParticle/JPAEmitter.h"
+#include "common.h"
+#include "m/m_vec.h"
+
+dEmitterCallbackCursorTrail_c::dEmitterCallbackCursorTrail_c(u32 a, f32 b) : field_0x10(b), field_0x14(a) {
+    // TODO - TList
+}
+
+static void fn_8002B9D0(mVec3_c &newPos, const mVec3_c&, const mVec3_c&, const mVec3_c&, const mVec3_c&, f32) {
+    // TODO - ...
+    // Probably cubic B-Spline interpolation?
+}
+
+void dEmitterCallbackCursorTrail_c::executeAfter(JPABaseEmitter *emitter) {
+    mVec3_c newPos;
+    mVec3_c pos;
+    mVec3_c v2;
+    mVec3_c v1;
+
+    emitter->getGlobalTranslation(pos);
+    
+    if (!emitter->checkStatus(JPAEmtrStts_StopCalc) && emitter->mMaxFrame == 0) {
+        v1 = (pos - posNMinus1) * 0.5f;
+        v2 = (posNMinus1 - posNMinus2) * 0.5f;
+        f32 dist = pos.distance(posNMinus1);
+        dist = dist * 0.1f * field_0x10;
+        if (field_0x14 != 0 && dist > field_0x14) {
+            dist = field_0x14;
+        }
+
+        if (dist > 1.0f) {
+            f32 f, step;
+            step = 1.0f / dist;
+            for (f = step; f < 1.0f; f += step) {
+                fn_8002B9D0(newPos, posNMinus1, v2, v1, pos, f);
+                JPABaseParticle *ptc = emitter->createParticle();
+                if (ptc != nullptr) {
+                    ptc->setOffsetPosition(newPos);
+                }
+            }
+        }
+    }
+
+    if (emitter->getUserWork() == 0) {
+        posNMinus2 = posNMinus1;
+        posNMinus1 = pos;
+    }
+}
+
+void dEmitterCallbackCursorTrail_c::create(JPABaseEmitter *emitter) {
+    emitter->getGlobalTranslation(posNMinus1);
+    posNMinus2 = posNMinus1;
+}
+
+void dEmitterCallbackCursorTrail_c::vt_0x20(f32 x, f32 y) {
+    posNMinus2.x += x;
+    posNMinus2.z += y;
+    posNMinus1.x += x;
+    posNMinus1.z += y;
+}