Add CScriptShadowProjector

asm/MetroidPrime/CProjectedShadow.s

@@ -893,8 +893,8 @@ lbl_8029E3C0:
 /* 8029E3D4 0029B334  38 21 00 10 */	addi r1, r1, 0x10
 /* 8029E3D8 0029B338  4E 80 00 20 */	blr
 
-.global __ct__16CProjectedShadowFv
+.global __ct__16CProjectedShadowFiiUc
-__ct__16CProjectedShadowFv:
+__ct__16CProjectedShadowFiiUc:
 /* 8029E3DC 0029B33C  94 21 FF F0 */	stwu r1, -0x10(r1)
 /* 8029E3E0 0029B340  7C 08 02 A6 */	mflr r0
 /* 8029E3E4 0029B344  38 E0 00 01 */	li r7, 1

asm/MetroidPrime/Enemies/CMetroidPrimeExo.s

@@ -12303,7 +12303,7 @@ lbl_8027B730:
 /* 8027B800 00278760  38 80 00 80 */	li r4, 0x80
 /* 8027B804 00278764  38 A0 00 80 */	li r5, 0x80
 /* 8027B808 00278768  38 C0 00 01 */	li r6, 1
-/* 8027B80C 0027876C  48 02 2B D1 */	bl __ct__16CProjectedShadowFv
+/* 8027B80C 0027876C  48 02 2B D1 */	bl __ct__16CProjectedShadowFiiUc
 lbl_8027B810:
 /* 8027B810 00278770  90 70 14 3C */	stw r3, 0x143c(r16)
 /* 8027B814 00278774  38 00 FF FF */	li r0, -1

asm/MetroidPrime/Enemies/CRidley.s

@@ -9358,7 +9358,7 @@ lbl_8025A488:
 /* 8025A4BC 0025741C  38 80 00 80 */	li r4, 0x80
 /* 8025A4C0 00257420  38 A0 00 80 */	li r5, 0x80
 /* 8025A4C4 00257424  38 C0 00 01 */	li r6, 1
-/* 8025A4C8 00257428  48 04 3F 15 */	bl __ct__16CProjectedShadowFv
+/* 8025A4C8 00257428  48 04 3F 15 */	bl __ct__16CProjectedShadowFiiUc
 /* 8025A4CC 0025742C  7C 60 1B 78 */	mr r0, r3
 lbl_8025A4D0:
 /* 8025A4D0 00257430  90 1F 0D 10 */	stw r0, 0xd10(r31)

asm/MetroidPrime/ScriptObjects/CScriptProjectedShadow.s

@@ -3,8 +3,8 @@
 .section .data
 .balign 8
 
-.global lbl_803EC030
+.global __vt__22CScriptShadowProjector
-lbl_803EC030:
+__vt__22CScriptShadowProjector:
 	# ROM: 0x3E9030
 	.4byte 0
 	.4byte 0
@@ -47,9 +47,9 @@ __dt__22CScriptShadowProjectorFv:
 /* 8029ECEC 0029BC4C  93 C1 00 08 */	stw r30, 8(r1)
 /* 8029ECF0 0029BC50  7C 7E 1B 79 */	or. r30, r3, r3
 /* 8029ECF4 0029BC54  41 82 00 40 */	beq lbl_8029ED34
-/* 8029ECF8 0029BC58  3C 60 80 3F */	lis r3, lbl_803EC030@ha
+/* 8029ECF8 0029BC58  3C 60 80 3F */	lis r3, __vt__22CScriptShadowProjector@ha
 /* 8029ECFC 0029BC5C  34 1E 01 08 */	addic. r0, r30, 0x108
-/* 8029ED00 0029BC60  38 03 C0 30 */	addi r0, r3, lbl_803EC030@l
+/* 8029ED00 0029BC60  38 03 C0 30 */	addi r0, r3, __vt__22CScriptShadowProjector@l
 /* 8029ED04 0029BC64  90 1E 00 00 */	stw r0, 0(r30)
 /* 8029ED08 0029BC68  41 82 00 10 */	beq lbl_8029ED18
 /* 8029ED0C 0029BC6C  80 7E 01 08 */	lwz r3, 0x108(r30)
@@ -340,7 +340,7 @@ lbl_8029F0AC:
 /* 8029F0F8 0029C058  80 9E 01 0C */	lwz r4, 0x10c(r30)
 /* 8029F0FC 0029C05C  54 06 CF FE */	rlwinm r6, r0, 0x19, 0x1f, 0x1f
 /* 8029F100 0029C060  7C 85 23 78 */	mr r5, r4
-/* 8029F104 0029C064  4B FF F2 D9 */	bl __ct__16CProjectedShadowFv
+/* 8029F104 0029C064  4B FF F2 D9 */	bl __ct__16CProjectedShadowFiiUc
 /* 8029F108 0029C068  7C 7F 1B 78 */	mr r31, r3
 lbl_8029F10C:
 /* 8029F10C 0029C06C  80 7E 01 08 */	lwz r3, 0x108(r30)
@@ -433,9 +433,9 @@ lbl_8029F164:
 /* 8029F250 0029C1B0  38 61 00 88 */	addi r3, r1, 0x88
 /* 8029F254 0029C1B4  38 80 FF FF */	li r4, -1
 /* 8029F258 0029C1B8  4B E7 77 F5 */	bl __dt__10CModelDataFv
-/* 8029F25C 0029C1BC  3C 60 80 3F */	lis r3, lbl_803EC030@ha
+/* 8029F25C 0029C1BC  3C 60 80 3F */	lis r3, __vt__22CScriptShadowProjector@ha
 /* 8029F260 0029C1C0  C0 22 C0 E8 */	lfs f1, lbl_805ADE08@sda21(r2)
-/* 8029F264 0029C1C4  38 03 C0 30 */	addi r0, r3, lbl_803EC030@l
+/* 8029F264 0029C1C4  38 03 C0 30 */	addi r0, r3, __vt__22CScriptShadowProjector@l
 /* 8029F268 0029C1C8  C8 02 C0 F0 */	lfd f0, lbl_805ADE10@sda21(r2)
 /* 8029F26C 0029C1CC  90 1F 00 00 */	stw r0, 0(r31)
 /* 8029F270 0029C1D0  EC 3E 08 28 */	fsubs f1, f30, f1

configure.py

@@ -387,7 +387,7 @@ LIBS = [
             "MetroidPrime/CProjectedShadow",
             ["MetroidPrime/CPreFrontEnd", True],
             "MetroidPrime/CGameCubeDoll",
-            "MetroidPrime/ScriptObjects/CScriptProjectedShadow",
+            ["MetroidPrime/ScriptObjects/CScriptProjectedShadow", False],
             "MetroidPrime/ScriptObjects/CEnergyBall",
             ["MetroidPrime/Enemies/CMetroidPrimeProjectile", False],
             ["MetroidPrime/Enemies/SPositionHistory", True],

include/MetroidPrime/CProjectedShadow.hpp

@@ -0,0 +1,29 @@
+#ifndef _CPROJECTEDSHADOW
+#define _CPROJECTEDSHADOW
+
+#include "Kyoto/Graphics/CTexture.hpp"
+#include "Kyoto/Math/CAABox.hpp"
+
+class CProjectedShadow {
+public:
+  CProjectedShadow(int, int, uchar);
+  ~CProjectedShadow();
+
+  void RenderShadowBuffer(CStateManager&, const CModelData&, const CTransform4f&, int,
+                          const CVector3f&, float, float);
+
+  void SetOpacity(float opacity) { x98_opacity = opacity; }
+
+private:
+  CTexture x0_texture;
+  CAABox x68_;
+  bool x80_;
+  bool x81_persistent;
+  float x84_;
+  CVector3f x88_;
+  float x94_zDistanceAdjust;
+  float x98_opacity;
+};
+CHECK_SIZEOF(CProjectedShadow, 0x9c)
+
+#endif // _CPROJECTEDSHADOW

include/MetroidPrime/ScriptObjects/CScriptProjectedShadow.hpp

@@ -0,0 +1,37 @@
+#ifndef _CSCRIPTPROJECTEDSHADOW
+#define _CSCRIPTPROJECTEDSHADOW
+
+#include "MetroidPrime/CActor.hpp"
+
+#include "rstl/single_ptr.hpp"
+
+class CProjectedShadow;
+
+class CScriptShadowProjector : public CActor {
+public:
+  CScriptShadowProjector(TUniqueId, const rstl::string&, const CEntityInfo&, const CTransform4f&,
+                         bool, const CVector3f&, bool, float, float, float, float, int);
+
+  void Accept(IVisitor& visitor) override;
+  void Think(float, CStateManager&) override;
+  void AcceptScriptMsg(EScriptObjectMessage, TUniqueId, CStateManager&) override;
+  void PreRender(CStateManager&, const CFrustumPlanes&) override;
+  void AddToRenderer(const CFrustumPlanes&, const CStateManager&) const override;
+  void CreateProjectedShadow();
+
+  uchar GetPersistent() const { return x110_24_persistent; }
+
+private:
+  float xe8_scale;
+  CVector3f xec_offset;
+  float xf8_zOffsetAdjust;
+  float xfc_opacity;
+  float x100_opacityRecip;
+  TUniqueId x104_target;
+  rstl::single_ptr< CProjectedShadow > x108_projectedShadow;
+  uint x10c_textureSize;
+  uchar x110_24_persistent : 1;
+  bool x110_25_shadowInvalidated : 1;
+};
+
+#endif // _CSCRIPTPROJECTEDSHADOW

src/MetroidPrime/ScriptObjects/CScriptProjectedShadow.cpp

@@ -0,0 +1,126 @@
+#include "MetroidPrime/ScriptObjects/CScriptProjectedShadow.hpp"
+
+#include "MetroidPrime/CActorParameters.hpp"
+#include "MetroidPrime/CAnimData.hpp"
+#include "MetroidPrime/CModelData.hpp"
+#include "MetroidPrime/CProjectedShadow.hpp"
+
+#include "Kyoto/Math/CloseEnough.hpp"
+
+CScriptShadowProjector::CScriptShadowProjector(TUniqueId uid, const rstl::string& name,
+                                               const CEntityInfo& info, const CTransform4f& xf,
+                                               bool active, const CVector3f& offset,
+                                               bool persistent, float scale, float f2,
+                                               float opacity, float opacityQ, int textureSize)
+: CActor(uid, active, name, info, xf, CModelData::CModelDataNull(), CMaterialList(),
+         CActorParameters::None(), kInvalidUniqueId)
+, xe8_scale(scale)
+, xec_offset(offset)
+, xf8_zOffsetAdjust(f2)
+, xfc_opacity(opacity)
+, x100_opacityRecip(close_enough(opacity, 0.f) ? 1.f : opacityQ / opacity)
+, x104_target(kInvalidUniqueId)
+, x108_projectedShadow(nullptr)
+, x10c_textureSize(textureSize)
+, x110_24_persistent(persistent)
+, x110_25_shadowInvalidated(false) {}
+
+void CScriptShadowProjector::AcceptScriptMsg(EScriptObjectMessage msg, TUniqueId uid,
+                                             CStateManager& mgr) {
+  CActor::AcceptScriptMsg(msg, uid, mgr);
+
+  switch (msg) {
+  case kSM_InitializedInArea:
+    for (rstl::vector< SConnection >::const_iterator conn = GetConnectionList().begin();
+         conn != GetConnectionList().end(); ++conn) {
+      if (conn->x0_state != kSS_Play) {
+        continue;
+      }
+
+      if (CActor* act = TCastToPtr< CActor >(mgr.ObjectById(mgr.GetIdForScript(conn->x8_objId)))) {
+        if (act->HasModelData()) {
+          x104_target = act->GetUniqueId();
+          break;
+        }
+      }
+    }
+    if (x104_target == kInvalidUniqueId) {
+      mgr.FreeScriptObject(GetUniqueId());
+      break;
+    }
+
+  case kSM_Deactivate:
+  case kSM_Activate:
+    if (GetActive() && x104_target != kInvalidUniqueId && xfc_opacity > 0.f) {
+      x108_projectedShadow =
+          new CProjectedShadow(x10c_textureSize, x10c_textureSize, GetPersistent());
+    } else {
+      x108_projectedShadow = nullptr;
+    }
+
+    break;
+
+  case kSM_Decrement:
+    if (!GetActive()) {
+      return;
+    }
+
+    if (xfc_opacity > 0.f) {
+      x110_25_shadowInvalidated = true;
+    }
+
+    break;
+
+  default:
+    break;
+  }
+}
+
+void CScriptShadowProjector::AddToRenderer(const CFrustumPlanes&, const CStateManager&) const {}
+
+void CScriptShadowProjector::PreRender(CStateManager& mgr, const CFrustumPlanes&) {
+  SetPreRenderClipped(true);
+  if (!x108_projectedShadow.null()) {
+    CActor* act = TCastToPtr< CActor >(mgr.ObjectById(x104_target));
+    bool hasModelData;
+    if (act != nullptr) {
+      hasModelData = false;
+      if (act->HasModelData()) {
+        hasModelData = true;
+      }
+    } else {
+      x104_target = kInvalidUniqueId;
+      return;
+    }
+
+    if (hasModelData) {
+      if (!act->GetActive()) {
+        return;
+      }
+
+      if (act->HasAnimation()) {
+        act->AnimationData()->PreRender();
+      }
+      x108_projectedShadow->SetOpacity(xfc_opacity);
+      x108_projectedShadow->RenderShadowBuffer(mgr, *act->GetModelData(), act->GetTransform(), 0,
+                                               xec_offset, xe8_scale, xf8_zOffsetAdjust);
+    }
+  }
+}
+
+void CScriptShadowProjector::Accept(IVisitor& visitor) { visitor.Visit(*this); }
+
+void CScriptShadowProjector::Think(float dt, CStateManager& mgr) {
+  if (GetActive() && x110_25_shadowInvalidated) {
+
+    xfc_opacity = -(x100_opacityRecip * dt - xfc_opacity);
+    if (xfc_opacity <= 0.0f) {
+      xfc_opacity = 0.0f;
+
+      x108_projectedShadow = nullptr;
+
+      x110_25_shadowInvalidated = false;
+      SendScriptMsgs(kSS_Zero, mgr, kSM_None);
+    }
+  }
+}