zFX: Couple bits (#383)

src/SB/Game/zFX.cpp

@@ -1,7 +1,9 @@
+#include "xEnt.h"
 #include "xFX.h"
 #include "xMath.h"
 #include "xMath3.h"
 
+#include "zHud.h"
 #include "zFX.h"
 #include "zScene.h"
 #include "zTextBox.h"
@@ -23,9 +25,9 @@ extern zFXGooInstance zFXGooInstances[24];
 extern char zFX_strings[];
 extern ztextbox* goo_timer_textbox;
 
-extern F32 lbl_803CD968; // 0.15f
-extern F32 lbl_803CD96C; // 12.0f
-extern F32 lbl_803CD970; // 2.0f
+xVec3 bubblehit_pos_rnd;
+xVec3 bubblehit_vel_rnd;
+float bubblehit_vel_scale;
 
 void xDrawSphere2(const xVec3*, F32, U32)
 {
@@ -49,27 +51,26 @@ void zFX_SceneReset()
     reset_entrails();
 }
 
-void zFXPatrickStun(xVec3* pos)
+void zFXPatrickStun(const xVec3* pos)
 {
     xFXRingCreate(pos, &sPatrickStunRing[0]);
     xFXRingCreate(pos, &sPatrickStunRing[1]);
     xFXRingCreate(pos, &sPatrickStunRing[2]);
 }
 
-void zFXHammer(xVec3* pos)
+void zFXHammer(const xVec3* pos)
 {
     xFXRingCreate(pos, &sHammerRing[0]);
-    // weird xrand arithmetic might have something to do with signed integers
-    zFX_SpawnBubbleSlam(pos, (xrand() & 31) + 32, lbl_803CD968, lbl_803CD96C, lbl_803CD970);
+    zFX_SpawnBubbleSlam(pos, (xrand() & 31) + 32, 0.15f, 12.0f, 2.0f);
 }
 
-void zFXPorterWave(xVec3* pos)
+void zFXPorterWave(const xVec3* pos)
 {
     xFXRingCreate(pos, &sPorterRing[0]);
     xFXRingCreate(pos, &sPorterRing[1]);
 }
 
-xFXRing* zFXMuscleArmWave(xVec3* pos)
+xFXRing* zFXMuscleArmWave(const xVec3* pos)
 {
     return xFXRingCreate(pos, &sMuscleArmRing[0]);
 }
@@ -127,6 +128,126 @@ void zFXUpdate(F32 dt)
 namespace
 {
     void add_popper_tweaks() { }
+    void add_entrail_tweaks() { }
+
+    S32 count_faces(xModelInstance* mdl)
+    {
+        int i = 0;
+        for (; mdl != NULL; mdl = mdl->Next)
+        {
+            i += mdl->Data->geometry->numTriangles;
+        }
+        return i;
+    }
+
+    struct entrail_data
+    {
+        U16 flags;
+        U16 type;
+        xEnt* ent;
+        xVec3 loc;
+        xVec3 vel;
+        F32 emitted;
+
+        void reset();
+        void update(F32);
+    };
+
+    enum state_enum
+    {
+        STATE_NONE,
+        STATE_OFF,
+        STATE_ON
+    };
+
+    struct popper_data
+    {
+        state_enum state;
+        xEnt* ent;
+        RpAtomic* atomic[4];
+        U32 atomic_size;
+        F32 time;
+        F32 end_time;
+        union
+        {
+            xVec3 model_scale;
+            U32 pipe_flags;
+        };
+        F32 rate;
+        F32 vel;
+        F32 rloc;
+        F32 rvel;
+        F32 emitted;
+        S32 faces;
+        F32 radius;
+        F32 area;
+        F32 weight[768];
+    };
+
+    popper_data poppers[8];
+    entrail_data* entrails;
+    U32 entrails_size;
+
+    void entrail_data::reset()
+    {
+        flags = 0;
+        emitted = 0.0f;
+    }
+
+    void set_popper_alpha(popper_data& data, F32 alpha)
+    {
+        xEntShow(data.ent);
+        xModelInstance* p = data.ent->model;
+        p->Alpha = alpha;
+        p->Flags |= 0x4000;
+        p->PipeFlags = (p->PipeFlags & ~0xc) | 8;
+    }
+}
+
+void update_entrails(F32 val)
+{
+    entrail_data* pData;
+    entrail_data* pEnd = &entrails[entrails_size];
+    for (pData = entrails; pData != pEnd; pData++)
+    {
+        pData->update(val);
+    }
+}
+
+void reset_entrails()
+{
+    entrail_data* pData;
+    entrail_data* pEnd = &entrails[entrails_size];
+    for (pData = entrails; pData != pEnd; pData++)
+    {
+        pData->reset();
+    }
+}
+
+void zFX_SpawnBubbleHit(const xVec3* pos, unsigned int num, xVec3* pos_rnd, xVec3* vel_rnd, float vel_scale);
+void zFX_SpawnBubbleTrail(const xVec3* pos, unsigned int num, const xVec3* pos_rnd, const xVec3* vel_rnd);
+
+void zFX_SpawnBubbleHit(const xVec3* pos, U32 num)
+{
+    zFX_SpawnBubbleHit
+    (
+    pos,
+    num,
+    &bubblehit_pos_rnd,
+    &bubblehit_vel_rnd,
+    bubblehit_vel_scale
+    );
+}
+
+void zFX_SpawnBubbleTrail(const xVec3* pos, U32 num)
+{
+    zFX_SpawnBubbleTrail
+    (
+    pos,
+    num,
+    &bubblehit_pos_rnd,
+    &bubblehit_vel_rnd
+    );
 }
 
 void init_poppers()
@@ -135,6 +256,34 @@ void init_poppers()
     add_popper_tweaks();
 }
 
+void reset_poppers()
+{
+    popper_data* pData;
+    popper_data* pEnd = &poppers[sizeof(poppers) / sizeof(popper_data)];
+    for (pData = &poppers[0]; pData != pEnd; pData++)
+    {
+        pData->state = STATE_NONE;
+        pData->ent = NULL;
+    }
+}
+
+void zFXGooUpdateInstance(zFXGooInstance*, F32);
+
+void zFXGooUpdate(F32 dt)
+{
+    int i;
+    zFXGooInstance* pGoo = &zFXGooInstances[0];
+
+    for (i = 0 ; i < 0x18; i++)
+    {
+        if (pGoo->state != zFXGooStateInactive)
+        {
+            zFXGooUpdateInstance(pGoo, dt);
+        }
+        pGoo++;
+    }
+}
+
 void xDebugAddTweak(const char* unk1, const char* unk2, const tweak_callback* unk3, void* unk4,
                     U32 unk5)
 {