From 2ada50bdf15d240217354a00f6df194fa417b065 Mon Sep 17 00:00:00 2001
From: Fexty12573 <bogofogo1@gmail.com>
Date: Wed, 31 Jul 2024 13:52:28 +0200
Subject: [PATCH] Document the rest of spl_manager

---
 lib/spl/include/spl_emitter.h  |   6 +-
 lib/spl/include/spl_manager.h  |  22 ++---
 lib/spl/include/spl_resource.h |   6 +-
 lib/spl/src/unk_0209C400.c     | 114 ++++++++++-----------
 lib/spl/src/unk_0209CF00.c     |   8 +-
 lib/spl/src/unk_0209DD54.c     | 174 ++++++++++++++++-----------------
 src/unk_02014000.c             |  11 ++-
 7 files changed, 172 insertions(+), 169 deletions(-)

diff --git a/lib/spl/include/spl_emitter.h b/lib/spl/include/spl_emitter.h
index 942a91a0d6..d93625b883 100644
--- a/lib/spl/include/spl_emitter.h
+++ b/lib/spl/include/spl_emitter.h
@@ -16,7 +16,7 @@ typedef struct UnkSPLStruct7 {
             u32 terminate:1;
             u32 stop_generate:1;
             u32 paused:1;
-            u32 stop_draw:1;
+            u32 renderingDisabled:1;
             u32 started: 1 ;
             u32 reserved0:27;
         };
@@ -24,8 +24,8 @@ typedef struct UnkSPLStruct7 {
 } UnkSPLStruct7;
 
 typedef struct SPLEmitter {
-    struct SPLEmitter * unk_00;
-    struct SPLEmitter * unk_04;
+    struct SPLEmitter *next;
+    struct SPLEmitter *prev;
     SPLParticleList particles;
     SPLParticleList childParticles;
     SPLResource *resource;
diff --git a/lib/spl/include/spl_manager.h b/lib/spl/include/spl_manager.h
index 51aee5b9fb..23d3bf6033 100644
--- a/lib/spl/include/spl_manager.h
+++ b/lib/spl/include/spl_manager.h
@@ -35,26 +35,26 @@ typedef struct SPLManager {
     } polygonID;
     s32 unk_3C;
     struct {
-        SPLEmitter * unk_00;
-        const MtxFx43 * unk_04;
-    } unk_40;
+        SPLEmitter *emitter; // current emitter being processed
+        const MtxFx43 *viewMatrix; // current view matrix
+    } renderState;
     u16 currentCycle;
     u16 unk_4A;
 } SPLManager; // size=0x4c
 
-typedef void(* EmitterCallback)(SPLEmitter *);
-typedef void(* EmitterCallbackEx)(SPLEmitter *, void *);
+typedef void(* SPLEmitterCallback)(SPLEmitter *);
+typedef void(* SPLEmitterCallbackEx)(SPLEmitter *, void *);
 
 typedef u32(* SPLTexVRAMAllocFunc)(u32 size, BOOL is4x4comp);
 typedef u32(* SPLPalVRAMAllocFunc)(u32 size, BOOL is4pal);
 
 SPLManager *SPLManager_New(SPLAllocFunc alloc, u16 maxEmitters, u16 maxParticles, u16 fixPolyID, u16 minPolyID, u16 maxPolyID);
-void SPL_0209C400(SPLManager * param0);
-void SPL_0209C444(SPLManager * param0, SPLEmitter * param1);
-SPLEmitter * SPL_0209C4D8(SPLManager * param0, int param1, EmitterCallback cb);
-SPLEmitter *SPL_CreateWithInitializeEx(SPLManager *mgr, int resNo, VecFx32 *pos, void *pvoid, EmitterCallbackEx cb);
-void SPL_0209C5E0(SPLManager * param0, const MtxFx43 * param1);
-SPLEmitter * SPL_0209C56C(SPLManager * param0, int param1, const VecFx32 * param2);
+void SPLManager_DeleteAllEmitters(SPLManager * param0);
+void SPLManager_DeleteEmitter(SPLManager * param0, SPLEmitter * param1);
+SPLEmitter * SPLManager_CreateEmitterWithCallback(SPLManager * param0, int param1, SPLEmitterCallback cb);
+SPLEmitter *SPLManager_CreateEmitterWithCallbackEx(SPLManager *mgr, int resNo, VecFx32 *pos, void *pvoid, SPLEmitterCallbackEx cb);
+void SPLManager_Draw(SPLManager * param0, const MtxFx43 * param1);
+SPLEmitter * SPLManager_CreateEmitter(SPLManager * param0, int param1, const VecFx32 * param2);
 void SPLManager_Update(SPLManager * param0);
 BOOL SPLManager_UploadPalettes(SPLManager * param0);
 BOOL SPLManager_UploadTextures(SPLManager * param0);
diff --git a/lib/spl/include/spl_resource.h b/lib/spl/include/spl_resource.h
index a7c38eaaae..9498aaefb7 100644
--- a/lib/spl/include/spl_resource.h
+++ b/lib/spl/include/spl_resource.h
@@ -30,8 +30,10 @@ typedef union {
         u32 hasTexAnim : 1;
         u32 unk_05_4 : 1;
         u32 unk_05_5 : 1;
-        // If set, the emitter will terminate when it reaches the end of its life and all of its particles have died
-        u32 selfTerminate : 1;
+        // Whether the emitter manages itself or not.
+        // If set, the emitter will automatically terminate when it reaches the end of its life
+        // and all of its particles have died
+        u32 selfMaintaining : 1;
         u32 unk_05_7 : 1;
         u32 hasChildResource : 1;
         u32 unk_06_1 : 2;
diff --git a/lib/spl/src/unk_0209C400.c b/lib/spl/src/unk_0209C400.c
index 918f937478..6eb9863cd2 100644
--- a/lib/spl/src/unk_0209C400.c
+++ b/lib/spl/src/unk_0209C400.c
@@ -12,7 +12,7 @@
 #define DECODE_WH(X) ((u16)(1 << ((X) + 3)))
 #define EMITTER_SHOULD_TERMINATE(emtr, header) \
     ((\
-        (header->flags.selfTerminate && header->emitterLifeTime != 0 && emtr->state.started && emtr->age > header->emitterLifeTime) \
+        (header->flags.selfMaintaining && header->emitterLifeTime != 0 && emtr->state.started && emtr->age > header->emitterLifeTime) \
         || emtr->state.terminate \
     ) && emtr->particles.count == 0 && emtr->childParticles.count == 0)
 
@@ -279,7 +279,7 @@ void SPLManager_Update(SPLManager *mgr)
     emtr = mgr->activeEmitters.first;
     while (emtr != NULL) {
         SPLResourceHeader *header = emtr->resource->header;
-        next = emtr->unk_00;
+        next = emtr->next;
 
         if (!emtr->state.started && emtr->age >= header->startDelay) {
             emtr->state.started = TRUE;
@@ -306,43 +306,46 @@ void SPLManager_Update(SPLManager *mgr)
     }
 }
 
-void SPL_0209C5E0(SPLManager *mgr, const MtxFx43 *cmr)
+void SPLManager_Draw(SPLManager *mgr, const MtxFx43 *viewMatrix)
 {
     G3X_AlphaBlend(TRUE);
 
-    mgr->unk_40.unk_04 = cmr;
+    mgr->renderState.viewMatrix = viewMatrix;
     if (mgr->polygonID.drawOrder == SPL_DRAW_ORDER_REVERSE) {
         SPLEmitter *emtr = mgr->activeEmitters.first;
 
         while (emtr != NULL) {
-            mgr->unk_40.unk_00 = emtr;
-            if (!emtr->state.stop_draw) {
+            mgr->renderState.emitter = emtr;
+            if (!emtr->state.renderingDisabled) {
                 sub_0209CF00(mgr);
             }
-            emtr = emtr->unk_00;
+
+            emtr = emtr->next;
         }
     } else {
         SPLEmitter *emtr = mgr->activeEmitters.last;
 
         while (emtr != NULL) {
-            mgr->unk_40.unk_00 = emtr;
-            if (!emtr->state.stop_draw) {
+            mgr->renderState.emitter = emtr;
+            if (!emtr->state.renderingDisabled) {
                 sub_0209CF00(mgr);
             }
-            emtr = emtr->unk_04;
+
+            emtr = emtr->prev;
         }
     }
 }
 
-SPLEmitter *SPL_0209C56C(SPLManager *mgr, int resno, const VecFx32 *pos)
+SPLEmitter *SPLManager_CreateEmitter(SPLManager *mgr, int resourceID, const VecFx32 *pos)
 {
     SPLEmitter *emtr = NULL;
 
     if (mgr->inactiveEmitters.first != NULL) {
-        emtr = (SPLEmitter *)SPLList_PopFront((SPLList *)&mgr->inactiveEmitters);
-        sub_0209D998(emtr, mgr->resources + resno, pos);
-        SPLList_PushFront((SPLList *)&mgr->activeEmitters, (SPLNode *)emtr);
-        if (emtr->resource->header->flags.selfTerminate) {
+        emtr = SPLEmitterList_PopFront(&mgr->inactiveEmitters);
+        sub_0209D998(emtr, mgr->resources + resourceID, pos);
+        SPLEmitterList_PushFront(&mgr->activeEmitters, emtr);
+
+        if (emtr->resource->header->flags.selfMaintaining) { // Self-maintaining emitters are not returned to the user
             emtr = NULL;
         }
     }
@@ -350,20 +353,21 @@ SPLEmitter *SPL_0209C56C(SPLManager *mgr, int resno, const VecFx32 *pos)
     return emtr;
 }
 
-SPLEmitter *SPL_0209C4D8(SPLManager *mgr, int resno, EmitterCallback fpcb)
+SPLEmitter *SPLManager_CreateEmitterWithCallback(SPLManager *mgr, int resourceID, SPLEmitterCallback initCallback)
 {
-    SPLEmitter *emtr;
-
-    emtr = NULL;
+    SPLEmitter *emtr = NULL;
     if (mgr->inactiveEmitters.first != NULL) {
-        VecFx32 v0 = { 0, 0, 0 };
-        emtr = (SPLEmitter *)SPLList_PopFront((SPLList *)&mgr->inactiveEmitters);
-        sub_0209D998(emtr, mgr->resources + resno, &v0);
-        if (fpcb != NULL) {
-            fpcb(emtr);
+        VecFx32 pos = { 0, 0, 0 };
+        emtr = SPLEmitterList_PopFront(&mgr->inactiveEmitters);
+        sub_0209D998(emtr, mgr->resources + resourceID, &pos);
+
+        if (initCallback != NULL) {
+            initCallback(emtr);
         }
-        SPLList_PushFront((SPLList *)&mgr->activeEmitters, (SPLNode *)emtr);
-        if (emtr->resource->header->flags.selfTerminate) {
+
+        SPLEmitterList_PushFront(&mgr->activeEmitters, emtr);
+
+        if (emtr->resource->header->flags.selfMaintaining) { // Self-maintaining emitters are not returned to the user
             emtr = NULL;
         }
     }
@@ -371,20 +375,20 @@ SPLEmitter *SPL_0209C4D8(SPLManager *mgr, int resno, EmitterCallback fpcb)
     return emtr;
 }
 
-SPLEmitter *SPL_CreateWithInitializeEx(SPLManager *mgr, int resNo, VecFx32 *pos, void *pvoid, EmitterCallbackEx cb)
+SPLEmitter *SPLManager_CreateEmitterWithCallbackEx(SPLManager *mgr, int resourceID, VecFx32 *pos, void *param, SPLEmitterCallbackEx initCallback)
 {
-    SPLEmitter *emtr;
-
-    emtr = NULL;
+    SPLEmitter *emtr = NULL;
     if (mgr->inactiveEmitters.first != NULL) {
-        emtr = (SPLEmitter *)SPLList_PopFront((SPLList *)&mgr->inactiveEmitters);
-        sub_0209D998(emtr, mgr->resources + resNo, pos);
-        if (cb != NULL) {
-            cb(emtr, pvoid);
+        emtr = SPLEmitterList_PopFront(&mgr->inactiveEmitters);
+        sub_0209D998(emtr, mgr->resources + resourceID, pos);
+
+        if (initCallback != NULL) {
+            initCallback(emtr, param);
         }
 
-        SPLList_PushFront((SPLList *)&mgr->activeEmitters, (SPLNode *)emtr);
-        if (emtr->resource->header->flags.selfTerminate) {
+        SPLEmitterList_PushFront(&mgr->activeEmitters, emtr);
+
+        if (emtr->resource->header->flags.selfMaintaining) { // Self-maintaining emitters are not returned to the user
             emtr = NULL;
         }
     }
@@ -392,34 +396,30 @@ SPLEmitter *SPL_CreateWithInitializeEx(SPLManager *mgr, int resNo, VecFx32 *pos,
     return emtr;
 }
 
-void SPL_0209C444(SPLManager *p0, SPLEmitter *p1)
+void SPLManager_DeleteEmitter(SPLManager *mgr, SPLEmitter *emtr)
 {
-    SPLEmitter *v0 = (SPLEmitter *)SPLList_PopFront((SPLList *)&p1->particles);
-    if (v0 != NULL) {
-        do {
-            SPLList_PushFront((SPLList *)&p0->inactiveParticles, (SPLNode *)v0);
-            v0 = (SPLEmitter *)SPLList_PopFront((SPLList *)&p1->particles);
-        } while (v0 != NULL);
+    SPLParticle *ptcl = SPLParticleList_PopFront(&emtr->particles);
+    while (ptcl != NULL) {
+        SPLParticleList_PushFront(&mgr->inactiveParticles, ptcl);
+        ptcl = SPLParticleList_PopFront(&emtr->particles);
     }
-    v0 = (SPLEmitter *)SPLList_PopFront((SPLList *)&p1->childParticles);
-    if (v0 != NULL) {
-        do {
-            SPLList_PushFront((SPLList *)&p0->inactiveParticles, (SPLNode *)v0);
-            v0 = (SPLEmitter *)SPLList_PopFront((SPLList *)&p1->childParticles);
-        } while (v0 != NULL);
+
+    ptcl = SPLParticleList_PopFront(&emtr->childParticles);
+    while (ptcl != NULL) {
+        SPLParticleList_PushFront(&mgr->inactiveParticles, ptcl);
+        ptcl = SPLParticleList_PopFront(&emtr->childParticles);
     }
-    SPLList_Erase((SPLList *)&p0->activeEmitters, (SPLNode *)p1);
-    SPLList_PushFront((SPLList *)&p0->inactiveEmitters, (SPLNode *)p1);
+
+    SPLEmitterList_Erase(&mgr->activeEmitters, emtr);
+    SPLEmitterList_PushFront(&mgr->inactiveEmitters, emtr);
 }
 
-void SPL_0209C400(SPLManager *p0)
+void SPLManager_DeleteAllEmitters(SPLManager *mgr)
 {
-    SPLEmitter *next;
-    SPLEmitter *emtr = p0->activeEmitters.first;
-
+    SPLEmitter *emtr = mgr->activeEmitters.first;
     while (emtr != NULL) {
-        next = emtr->unk_00;
-        SPL_0209C444(p0, emtr);
+        SPLEmitter *next = emtr->next;
+        SPLManager_DeleteEmitter(mgr, emtr);
         emtr = next;
     }
 }
diff --git a/lib/spl/src/unk_0209CF00.c b/lib/spl/src/unk_0209CF00.c
index dbdfbe2647..ec769d72c1 100644
--- a/lib/spl/src/unk_0209CF00.c
+++ b/lib/spl/src/unk_0209CF00.c
@@ -114,7 +114,7 @@ void sub_0209D998(SPLEmitter *emtr, SPLResource *res, const VecFx32 *pos)
         }
     }
 
-    emtr->unk_00 = emtr->unk_04 = NULL;
+    emtr->next = emtr->prev = NULL;
     emtr->particles.first = emtr->childParticles.first = NULL;
     emtr->particles.count = emtr->childParticles.count = 0;
     emtr->unk_100 = NULL;
@@ -324,7 +324,7 @@ static void sub_0209D064(SPLManager *mgr)
     DrawFunc drawFunc;
     SetTexFunc setTexFunc;
 
-    emtr = mgr->unk_40.unk_00;
+    emtr = mgr->renderState.emitter;
     resBase = emtr->resource->header;
     drawFunc = NULL;
 
@@ -365,7 +365,7 @@ static void sub_0209CF7C(SPLManager *mgr)
     DrawFunc drawFunc;
     SPLParticle *ptcl;
 
-    emtr = mgr->unk_40.unk_00;
+    emtr = mgr->renderState.emitter;
     drawFunc = NULL;
     res = emtr->resource;
 
@@ -404,7 +404,7 @@ void sub_0209CF00(SPLManager *mgr)
 {
     SPLResourceHeader *resBase;
 
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     if (resBase->flags.unk_06_5) {
         sub_0209CF7C(mgr);
 
diff --git a/lib/spl/src/unk_0209DD54.c b/lib/spl/src/unk_0209DD54.c
index 299439f257..a5e3233fde 100644
--- a/lib/spl/src/unk_0209DD54.c
+++ b/lib/spl/src/unk_0209DD54.c
@@ -128,11 +128,11 @@ void sub_0209FF0C(SPLManager *mgr, SPLParticle *ptcl)
     GXRgb ptclCol, emtrCol;
     u8 scaleAnimDirect;
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     SPLResourceHeader *resBase = emtr->resource->header;
 
-    cmr = mgr->unk_40.unk_04;
-    aspect = mgr->unk_40.unk_00->resource->header->unk_30;
+    cmr = mgr->renderState.viewMatrix;
+    aspect = mgr->renderState.emitter->resource->header->unk_30;
     animScale = ptcl->unk_34;
 
     ptclCol = ptcl->unk_36;
@@ -168,7 +168,7 @@ void sub_0209FF0C(SPLManager *mgr, SPLParticle *ptcl)
         sclY = FX_MUL(sclY, animScale);
     }
 
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         trs.x = ptcl->position.x + ptcl->emitterPos.x;
         trs.y = ptcl->position.y + ptcl->emitterPos.y;
         trs.z = ptcl->position.z + ptcl->emitterPos.z;
@@ -192,9 +192,9 @@ void sub_0209FF0C(SPLManager *mgr, SPLParticle *ptcl)
         G3_Identity();
         G3_MultMtx43(&load);
     } else {
-        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
         MTX_MultVec43(&trs, cmr, &trs);
 
         sin = FX_SinIdx(ptcl->unk_20);
@@ -214,7 +214,7 @@ void sub_0209FF0C(SPLManager *mgr, SPLParticle *ptcl)
 
         G3_Identity();
 
-        SPLResourceHeader *resBase = mgr->unk_40.unk_00->resource->header;
+        SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
         G3_MultMtx43(&load);
     }
@@ -224,7 +224,7 @@ void sub_0209FF0C(SPLManager *mgr, SPLParticle *ptcl)
         GX_RGB_G_(ptclCol) * GX_RGB_G_(emtrCol) >> 15,
         GX_RGB_B_(ptclCol) * GX_RGB_B_(emtrCol) >> 25));
 
-    emtr = mgr->unk_40.unk_00;
+    emtr = mgr->renderState.emitter;
     sub_020A0500(emtr->unk_E8, emtr->unk_EA, emtr->resource->header->unk_54, emtr->resource->header->unk_56);
 }
 
@@ -237,8 +237,8 @@ void sub_0209FAB8(SPLManager *mgr, SPLParticle *ptcl)
     MtxFx43 load;
     fx32 sin;
 
-    cmr = mgr->unk_40.unk_04;
-    aspect = mgr->unk_40.unk_00->resource->header->unk_30;
+    cmr = mgr->renderState.viewMatrix;
+    aspect = mgr->renderState.emitter->resource->header->unk_30;
 
     fx32 alpha = (fx32)(ptcl->unk_2E.unk_00_0 * (ptcl->unk_2E.unk_00_5 + 1)) >> 5;
 
@@ -259,7 +259,7 @@ void sub_0209FAB8(SPLManager *mgr, SPLParticle *ptcl)
     sclY = ptcl->unk_30;
     sclX = FX_MUL(sclY, aspect);
 
-    switch (mgr->unk_40.unk_00->resource->header->unk_48.unk_07_4) {
+    switch (mgr->renderState.emitter->resource->header->unk_48.unk_07_4) {
     case 0:
         sclX = FX_MUL(sclX, ptcl->unk_34);
         sclY = FX_MUL(sclY, ptcl->unk_34);
@@ -274,7 +274,7 @@ void sub_0209FAB8(SPLManager *mgr, SPLParticle *ptcl)
         break;
     }
 
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         trs.x = ptcl->position.x + ptcl->emitterPos.x;
         trs.y = ptcl->position.y + ptcl->emitterPos.y;
         trs.z = ptcl->position.z + ptcl->emitterPos.z;
@@ -298,9 +298,9 @@ void sub_0209FAB8(SPLManager *mgr, SPLParticle *ptcl)
         G3_Identity();
         G3_MultMtx43(&load);
     } else {
-        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
         MTX_MultVec43(&trs, cmr, &trs);
 
         sin = FX_SinIdx(ptcl->unk_20);
@@ -320,19 +320,19 @@ void sub_0209FAB8(SPLManager *mgr, SPLParticle *ptcl)
 
         G3_Identity();
 
-        SPLResourceHeader *resBase = mgr->unk_40.unk_00->resource->header;
+        SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
         G3_MultMtx43(&load);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     sub_020A0500(emtr->unk_EC, emtr->unk_EE, 0, 0);
 }
 
@@ -348,8 +348,8 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
     MtxFx33 mtx;
     MtxFx43 load;
 
-    cmr = mgr->unk_40.unk_04;
-    aspect = mgr->unk_40.unk_00->resource->header->unk_30;
+    cmr = mgr->renderState.viewMatrix;
+    aspect = mgr->renderState.emitter->resource->header->unk_30;
 
     fx32 alpha = (fx32)(ptcl->unk_2E.unk_00_0 * (ptcl->unk_2E.unk_00_5 + 1)) >> 5;
 
@@ -370,7 +370,7 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
     sclY = ptcl->unk_30;
     sclX = FX_MUL(sclY, aspect);
 
-    switch (mgr->unk_40.unk_00->resource->header->unk_48.unk_07_4) {
+    switch (mgr->renderState.emitter->resource->header->unk_48.unk_07_4) {
     case 0:
         sclX = FX_MUL(sclX, ptcl->unk_34);
         sclY = FX_MUL(sclY, ptcl->unk_34);
@@ -385,7 +385,7 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
         break;
     }
 
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         trs.x = ptcl->position.x + ptcl->emitterPos.x;
         trs.y = ptcl->position.y + ptcl->emitterPos.y;
         trs.z = ptcl->position.z + ptcl->emitterPos.z;
@@ -414,7 +414,7 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
             dot = -dot;
         }
 
-        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->unk_40.unk_00->resource->header->unk_48.unk_05_0) + FX32_ONE);
+        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->unk_48.unk_05_0) + FX32_ONE);
         load.m[0][0] = FX_MUL(dir.x, sclX);
         load.m[1][0] = FX_MUL(-dir.y, dot);
         load.m[3][0] = trs.x;
@@ -431,9 +431,9 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
         G3_Identity();
         G3_MultMtx43(&load);
     } else {
-        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         dir = ptcl->velocity;
 
@@ -459,7 +459,7 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
             dot = -dot;
         }
 
-        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->unk_40.unk_00->resource->header->unk_48.unk_05_0) + FX32_ONE);
+        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->unk_48.unk_05_0) + FX32_ONE);
         load.m[0][0] = FX_MUL(dir.x, sclX);
         load.m[1][0] = FX_MUL(-dir.y, dot);
         load.m[2][0] = 0;
@@ -475,19 +475,19 @@ void sub_0209F3D0(SPLManager *mgr, SPLParticle *ptcl)
 
         G3_Identity();
 
-        SPLResourceHeader *resBase = mgr->unk_40.unk_00->resource->header;
+        SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
         G3_MultMtx43(&load);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     sub_020A0500(emtr->unk_E8, emtr->unk_EA, emtr->resource->header->unk_54, emtr->resource->header->unk_56);
 }
 
@@ -503,8 +503,8 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
     MtxFx33 mtx;
     MtxFx43 load;
 
-    cmr = mgr->unk_40.unk_04;
-    aspect = mgr->unk_40.unk_00->resource->header->unk_30;
+    cmr = mgr->renderState.viewMatrix;
+    aspect = mgr->renderState.emitter->resource->header->unk_30;
 
     fx32 alpha = (fx32)(ptcl->unk_2E.unk_00_0 * (ptcl->unk_2E.unk_00_5 + 1)) >> 5;
 
@@ -525,7 +525,7 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
     sclY = ptcl->unk_30;
     sclX = FX_MUL(sclY, aspect);
 
-    switch (mgr->unk_40.unk_00->resource->header->unk_48.unk_07_4) {
+    switch (mgr->renderState.emitter->resource->header->unk_48.unk_07_4) {
     case 0:
         sclX = FX_MUL(sclX, ptcl->unk_34);
         sclY = FX_MUL(sclY, ptcl->unk_34);
@@ -540,7 +540,7 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
         break;
     }
 
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         trs.x = ptcl->position.x + ptcl->emitterPos.x;
         trs.y = ptcl->position.y + ptcl->emitterPos.y;
         trs.z = ptcl->position.z + ptcl->emitterPos.z;
@@ -569,7 +569,7 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
             dot = -dot;
         }
 
-        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->unk_40.unk_00->resource->header->unk_48.unk_05_0) + FX32_ONE);
+        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->unk_48.unk_05_0) + FX32_ONE);
         load.m[0][0] = FX_MUL(dir.x, sclX);
         load.m[1][0] = FX_MUL(-dir.y, dot);
         load.m[3][0] = trs.x;
@@ -586,9 +586,9 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
         G3_Identity();
         G3_MultMtx43(&load);
     } else {
-        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        trs.x = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        trs.y = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        trs.z = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         dir = ptcl->velocity;
 
@@ -614,7 +614,7 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
             dot = -dot;
         }
 
-        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->unk_40.unk_00->resource->header->unk_48.unk_05_0) + FX32_ONE);
+        dot = FX_MUL(sclY, FX_MUL(FX32_ONE - dot, (fx32)mgr->renderState.emitter->resource->header->unk_48.unk_05_0) + FX32_ONE);
         load.m[0][0] = FX_MUL(dir.x, sclX);
         load.m[1][0] = FX_MUL(-dir.y, dot);
         load.m[2][0] = 0;
@@ -630,19 +630,19 @@ void sub_0209ECF0(SPLManager *mgr, SPLParticle *ptcl)
 
         G3_Identity();
 
-        SPLResourceHeader *resBase = mgr->unk_40.unk_00->resource->header;
+        SPLResourceHeader *resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
         G3_MultMtx43(&load);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     sub_020A0500(emtr->unk_EC, emtr->unk_EE, 0, 0);
 }
 
@@ -672,10 +672,10 @@ void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl)
         return;
     }
 
-    Unk_02100DA8[mgr->unk_40.unk_00->resource->header->flags.unk_06_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
+    Unk_02100DA8[mgr->renderState.emitter->resource->header->flags.unk_06_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
 
     sclY = ptcl->unk_30;
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     sclX = FX_MUL(sclY, resBase->unk_30);
 
     switch (resBase->unk_48.unk_07_4) {
@@ -697,34 +697,34 @@ void sub_0209E9A0(SPLManager *mgr, SPLParticle *ptcl)
     MTX_Concat43(&sclMtx, &rotMtx, &load);
 
     // resBase = mgr->unk_40.unk_00->p_res->header;
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x;
         load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y;
         load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z;
-        G3_LoadMtx43(mgr->unk_40.unk_04);
+        G3_LoadMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&load);
     } else {
-        load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         G3_Identity();
 
-        resBase = mgr->unk_40.unk_00->resource->header;
+        resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
 
-        G3_MultMtx43(mgr->unk_40.unk_04);
+        G3_MultMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&load);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     resBase = emtr->resource->header;
     Unk_02100DA0[resBase->flags.unk_06_3](emtr->unk_E8, emtr->unk_EA, resBase->unk_54, resBase->unk_56);
 }
@@ -755,10 +755,10 @@ void sub_0209E650(SPLManager *mgr, SPLParticle *ptcl)
         return;
     }
 
-    Unk_02100DA8[mgr->unk_40.unk_00->resource->childResource->unk_00.unk_03_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
+    Unk_02100DA8[mgr->renderState.emitter->resource->childResource->unk_00.unk_03_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
 
     sclY = ptcl->unk_30;
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     sclX = FX_MUL(sclY, resBase->unk_30);
 
     switch (resBase->unk_48.unk_07_4) {
@@ -779,33 +779,33 @@ void sub_0209E650(SPLManager *mgr, SPLParticle *ptcl)
     MTX_Scale43(&sclMtx, sclX, sclY, sclY);
     MTX_Concat43(&rotMtx, &sclMtx, &load);
 
-    if (!mgr->unk_40.unk_00->resource->header->flags.unk_06_7) {
+    if (!mgr->renderState.emitter->resource->header->flags.unk_06_7) {
         load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x;
         load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y;
         load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z;
-        G3_LoadMtx43(mgr->unk_40.unk_04);
+        G3_LoadMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&load);
     } else {
-        load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - mgr->unk_40.unk_00->resource->header->unk_04.x;
-        load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        load.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - mgr->renderState.emitter->resource->header->unk_04.x;
+        load.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        load.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         G3_Identity();
 
-        resBase = mgr->unk_40.unk_00->resource->header;
+        resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
-        G3_MultMtx43(mgr->unk_40.unk_04);
+        G3_MultMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&load);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     Unk_02100DA0[emtr->resource->childResource->unk_00.unk_03_3](emtr->unk_EC, emtr->unk_EE, 0, 0);
 }
 
@@ -837,11 +837,11 @@ void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl)
         return;
     }
 
-    Unk_02100DA8[mgr->unk_40.unk_00->resource->header->flags.unk_06_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMat);
+    Unk_02100DA8[mgr->renderState.emitter->resource->header->flags.unk_06_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMat);
 
     MTX_Identity43(&mat);
 
-    if (!mgr->unk_40.unk_00->resource->header->unk_48.unk_07_7) {
+    if (!mgr->renderState.emitter->resource->header->unk_48.unk_07_7) {
         VEC_Normalize(&ptcl->velocity, &vec1);
     } else {
         VEC_Normalize(&ptcl->position, &vec1);
@@ -875,7 +875,7 @@ void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl)
     mat.m[2][2] = vec3.z;
     MTX_Concat43(&rotMat, &mat, &rotMat);
 
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     scaleY = ptcl->unk_30;
     scaleX = FX_MUL(scaleY, resBase->unk_30);
 
@@ -897,34 +897,34 @@ void sub_0209E1D4(SPLManager *mgr, SPLParticle *ptcl)
     MTX_Scale43(&sclMat, scaleX, scaleY, scaleY);
     MTX_Concat43(&sclMat, &rotMat, &transform);
 
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     if (!resBase->flags.unk_06_7) {
         transform.m[3][0] = ptcl->position.x + ptcl->emitterPos.x;
         transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y;
         transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z;
-        G3_LoadMtx43(mgr->unk_40.unk_04);
+        G3_LoadMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&transform);
     } else {
         transform.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - resBase->unk_04.x;
-        transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         G3_Identity();
 
-        resBase = mgr->unk_40.unk_00->resource->header;
+        resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
-        G3_MultMtx43(mgr->unk_40.unk_04);
+        G3_MultMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&transform);
     }
 
     colA = ptcl->unk_36;
-    colB = mgr->unk_40.unk_00->unk_E2;
+    colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    emtr = mgr->unk_40.unk_00;
+    emtr = mgr->renderState.emitter;
     resBase = emtr->resource->header;
     Unk_02100DA0[resBase->flags.unk_06_3](emtr->unk_E8, emtr->unk_EA, resBase->unk_54, resBase->unk_56);
 }
@@ -955,11 +955,11 @@ void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl)
         return;
     }
 
-    Unk_02100DA8[mgr->unk_40.unk_00->resource->childResource->unk_00.unk_03_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
+    Unk_02100DA8[mgr->renderState.emitter->resource->childResource->unk_00.unk_03_1](FX_SinIdx(ptcl->unk_20), FX_CosIdx(ptcl->unk_20), &rotMtx);
 
     MTX_Identity43(&mat);
 
-    if (!mgr->unk_40.unk_00->resource->childResource->unk_0C.unk_04_6) {
+    if (!mgr->renderState.emitter->resource->childResource->unk_0C.unk_04_6) {
         VEC_Normalize(&ptcl->velocity, &vec1);
     } else {
         VEC_Normalize(&ptcl->position, &vec1);
@@ -993,7 +993,7 @@ void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl)
     mat.m[2][2] = vec3.z;
     MTX_Concat43(&rotMtx, &mat, &rotMtx);
 
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     scaleY = ptcl->unk_30;
     scaleX = FX_MUL(scaleY, resBase->unk_30);
 
@@ -1015,33 +1015,33 @@ void sub_0209DD54(SPLManager *mgr, SPLParticle *ptcl)
     MTX_Scale43(&sclMat, scaleX, scaleY, scaleY);
     MTX_Concat43(&rotMtx, &sclMat, &transform);
 
-    resBase = mgr->unk_40.unk_00->resource->header;
+    resBase = mgr->renderState.emitter->resource->header;
     if (!resBase->flags.unk_06_7) {
         transform.m[3][0] = ptcl->position.x + ptcl->emitterPos.x;
         transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y;
         transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z;
-        G3_LoadMtx43(mgr->unk_40.unk_04);
+        G3_LoadMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&transform);
     } else {
         transform.m[3][0] = ptcl->position.x + ptcl->emitterPos.x - resBase->unk_04.x;
-        transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->unk_40.unk_00->resource->header->unk_04.y;
-        transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->unk_40.unk_00->resource->header->unk_04.z;
+        transform.m[3][1] = ptcl->position.y + ptcl->emitterPos.y - mgr->renderState.emitter->resource->header->unk_04.y;
+        transform.m[3][2] = ptcl->position.z + ptcl->emitterPos.z - mgr->renderState.emitter->resource->header->unk_04.z;
 
         G3_Identity();
 
-        resBase = mgr->unk_40.unk_00->resource->header;
+        resBase = mgr->renderState.emitter->resource->header;
         G3_Translate(resBase->unk_04.x, resBase->unk_04.y, resBase->unk_04.z);
-        G3_MultMtx43(mgr->unk_40.unk_04);
+        G3_MultMtx43(mgr->renderState.viewMatrix);
         G3_MultMtx43(&transform);
     }
 
     GXRgb colA = ptcl->unk_36;
-    GXRgb colB = mgr->unk_40.unk_00->unk_E2;
+    GXRgb colB = mgr->renderState.emitter->unk_E2;
     G3_Color(GX_RGB(
         GX_RGB_R_(colA) * GX_RGB_R_(colB) >> 5,
         GX_RGB_G_(colA) * GX_RGB_G_(colB) >> 15,
         GX_RGB_B_(colA) * GX_RGB_B_(colB) >> 25));
 
-    SPLEmitter *emtr = mgr->unk_40.unk_00;
+    SPLEmitter *emtr = mgr->renderState.emitter;
     Unk_02100DA0[emtr->resource->childResource->unk_00.unk_03_3](emtr->unk_EC, emtr->unk_EE, 0, 0);
 }
diff --git a/src/unk_02014000.c b/src/unk_02014000.c
index 9bd55ac01f..c744aa8637 100644
--- a/src/unk_02014000.c
+++ b/src/unk_02014000.c
@@ -17,6 +17,7 @@
 #include "heap.h"
 #include "narc.h"
 #include "spl_behavior.h"
+#include "spl_manager.h"
 #include "sys_task.h"
 #include "sys_task_manager.h"
 
@@ -511,7 +512,7 @@ void sub_02014638(UnkStruct_02014014 *param0)
     NNS_G3dGlbFlush();
 
     v0 = NNS_G3dGlbGetCameraMtx();
-    SPL_0209C5E0(param0->unk_00, v0);
+    SPLManager_Draw(param0->unk_00, v0);
 
     if (param0->camera != NULL) {
         Camera_ClearActive();
@@ -570,7 +571,7 @@ SPLEmitter *sub_020146E4(UnkStruct_02014014 *param0, int param1, const VecFx32 *
 {
     SPLEmitter *v0;
 
-    v0 = SPL_0209C56C(param0->unk_00, param1, param2);
+    v0 = SPLManager_CreateEmitter(param0->unk_00, param1, param2);
     param0->unk_08 = v0;
 
     return v0;
@@ -581,7 +582,7 @@ SPLEmitter *sub_020146F4(UnkStruct_02014014 *param0, int param1, UnkFuncPtr_0201
     SPLEmitter *v0;
 
     Unk_021BF614 = param3;
-    v0 = SPL_0209C4D8(param0->unk_00, param1, param2);
+    v0 = SPLManager_CreateEmitterWithCallback(param0->unk_00, param1, param2);
     Unk_021BF614 = NULL;
     param0->unk_08 = v0;
 
@@ -595,12 +596,12 @@ s32 sub_02014710(UnkStruct_02014014 *param0)
 
 void sub_02014718(UnkStruct_02014014 *param0)
 {
-    SPL_0209C400(param0->unk_00);
+    SPLManager_DeleteAllEmitters(param0->unk_00);
 }
 
 void sub_02014724(UnkStruct_02014014 *param0, SPLEmitter *param1)
 {
-    SPL_0209C444(param0->unk_00, param1);
+    SPLManager_DeleteEmitter(param0->unk_00, param1);
 }
 
 void *sub_02014730(UnkStruct_02014014 *param0)