Decompile z_snap (#11)

1 files changed, 160 insertions, 0 deletions

diff --git a/src/code/z_snap.c b/src/code/z_snap.c
new file mode 100644
index 000000000..bbf904523
--- /dev/null
+++ b/src/code/z_snap.c
@@ -0,0 +1,160 @@
+#include <ultra64.h>
+#include <global.h>
+
+typedef struct {
+    Actor actor;
+    s32 (*pictoFunc)(GlobalContext* ctxt, Actor* actor);
+} PictoActor;
+
+s32 func_8013A240(GlobalContext* ctxt) {
+    PictoActor* pictoActor;
+    Actor* actor;
+    s32 type = 0;
+    s32 seen;
+    s32 count = 0;
+
+    gSaveContext.perm.pictoFlags0 = 0;
+    gSaveContext.perm.pictoFlags1 = 0;
+
+    if (ctxt->sceneNum == SCENE_20SICHITAI) {
+        func_8013A41C(1);
+    }
+
+    for (; type < 12; type++) {
+        for (actor = ctxt->actorCtx.actorList[type].first; actor != NULL; actor = actor->next) {
+            seen = 0;
+
+            switch (ctxt->sceneNum) {
+            case SCENE_20SICHITAI:
+                if ((actor->id == ACTOR_EN_MNK) || (actor->id == ACTOR_EN_BIGOKUTA)) {
+                    seen = 1;
+                }
+                break;
+            default:
+                seen = 0;
+            }
+
+            if (actor->id); // Needed to match
+
+            switch (actor->id) {
+            case ACTOR_EN_KAKASI:
+                if ((actor->params & 1) == 1) {
+                    seen |= 2;
+                    break; //! @bug break is inside conditional, meaning it falls through if it is false
+                }
+            case ACTOR_EN_ZOV:
+                seen |= 2;
+                break;
+            case ACTOR_EN_BAL:
+                seen |= 2;
+                break;
+            case ACTOR_EN_DNQ:
+                seen |= 2;
+                break;
+            case ACTOR_EN_GE1:
+            case ACTOR_EN_GE3:
+            case ACTOR_EN_KAIZOKU:
+            case ACTOR_EN_GE2:
+                seen |= 2;
+                break;
+            }
+
+            if (seen != 0) {
+                pictoActor = (PictoActor*)actor;
+                if (pictoActor->pictoFunc != NULL) {
+                    if ((pictoActor->pictoFunc)(ctxt, actor) == 0) {
+                        count++;
+                    }
+                }
+            }
+        }
+    }
+
+    return count;
+}
+
+void func_8013A41C(s32 flag) {
+    if (flag < 0x20) {
+        gSaveContext.perm.pictoFlags0 |= (1 << flag);
+    } else {
+        flag &= 0x1F;
+        gSaveContext.perm.pictoFlags1 |= (1 << flag);
+    }
+}
+
+void func_8013A46C(s32 flag) {
+    if (flag < 0x20) {
+        gSaveContext.perm.pictoFlags0 &= ~(1 << flag);
+    } else {
+        flag &= 0x1F;
+        gSaveContext.perm.pictoFlags1 &= ~(1 << flag);
+    }
+}
+
+u32 func_8013A4C4(s32 flag) {
+    SaveContextPerm* save = &gSaveContext.perm;
+    if (flag < 0x20) {
+        return save->pictoFlags0 & (1 << flag);
+    } else {
+        flag &= 0x1F;
+        return save->pictoFlags1 & (1 << flag);
+    }
+}
+
+s16 func_8013A504(s16 val) {
+    return (val >= 0) ? val : -val;
+}
+
+s32 func_8013A530(GlobalContext* ctxt, Actor* actor, s32 flag, Vec3f* pos, Vec3s* rot, f32 distanceMin, f32 distanceMax, s16 angleError) {
+    Vec3f screenSpace;
+    s16 x;
+    s16 y;
+    f32 distance;
+    UNK_TYPE unk1;
+    Camera* camera;
+    Actor* actors[2];
+    s32 ret = 0;
+    UNK_TYPE unk2;
+
+    camera = ctxt->cameraCtx.activeCameraPtrs[ctxt->cameraCtx.activeCamera];
+
+    distance = CamMath_Distance(pos, &camera->eye);
+    if ((distance < distanceMin) || (distanceMax < distance)) {
+        func_8013A41C(0x3f);
+        ret = 0x3f;
+    }
+
+    x = func_8013A504(func_800DFCB4(camera) + rot->x);
+    y = func_8013A504(func_800DFCDC(camera) - (s16)(rot->y - 0x7FFF));
+    if ((0 < angleError) && ((angleError < x) || (angleError < y))) {
+        func_8013A41C(0x3e);
+        ret |= 0x3e;
+    }
+
+    func_800B4EDC(ctxt, pos, &screenSpace, &distance);
+    x = (s16)(screenSpace.x * distance * 160.0f + 160.0f) - 85;
+    y = (s16)(screenSpace.y * distance * -120.0f + 120.0f) - 67;
+    if ((x < 0) || (0x96 < x) || (y < 0) || (0x69 < y)) {
+        func_8013A41C(0x3d);
+        ret |= 0x3d;
+    }
+
+    if (func_800C576C(&ctxt->colCtx, pos, &camera->eye, &screenSpace, &unk1, 1, 1, 1, 1, &unk2) != 0) {
+        func_8013A41C(0x3c);
+        ret |= 0x3c;
+    }
+
+    actors[0] = actor;
+    actors[1] = ctxt->actorCtx.actorList[2].first; // TODO PLAYER macro
+    if (func_800E7DCC(ctxt, &ctxt->colCheckCtx, pos, &camera->eye, actors, 2) != 0) {
+        func_8013A41C(0x3b);
+        ret |= 0x3b;
+    }
+
+    if (ret == 0) {
+        func_8013A41C(flag);
+    }
+
+    return ret;
+}
+