mm/include/z64collision_check.h

#ifndef _Z_COLLISION_CHECK_H_
#define _Z_COLLISION_CHECK_H_

#include "PR/ultratypes.h"
#include "z64math.h"
#include "unk.h"

struct Actor;

typedef struct {
    /* 0x00 */ struct Actor* actor; // Attached actor
    /* 0x04 */ struct Actor* at;    // Actor attached to what it collided with as an AT collider.
    /* 0x08 */ struct Actor* ac;    // Actor attached to what it collided with as an AC collider.
    /* 0x0C */ struct Actor* oc;    // Actor attached to what it collided with as an OC collider.
    /* 0x10 */ u8 atFlags;          // Information flags for AT collisions. 
    /* 0x11 */ u8 acFlags;          // Information flags for AC collisions.
    /* 0x12 */ u8 ocFlags1;         // Information flags for OC collisions.
    /* 0x13 */ u8 ocFlags2;         // Flags related to which colliders it can OC collide with.
    /* 0x14 */ u8 colType;          // Determines hitmarks and sound effects during AC collisions.
    /* 0x15 */ u8 shape;            // JntSph, Cylinder, Tris, or Quad
} Collider; // size = 0x18

typedef struct {
    /* 0x00 */ u8 colType;  // Determines hitmarks and sound effects during AC collisions.
    /* 0x01 */ u8 atFlags;  // Information flags for AT collisions. 
    /* 0x02 */ u8 acFlags;  // Information flags for OC collisions.
    /* 0x03 */ u8 ocFlags1; // Information flags for OC collisions.
    /* 0x04 */ u8 ocFlags2; // Flags related to which colliders it can OC collide with.
    /* 0x05 */ u8 shape;    // JntSph, Cylinder, Tris, or Quad
} ColliderInit; // size = 0x06

typedef struct {
    /* 0x00 */ u8 colType;  // Determines hitmarks and sound effects during AC collisions.
    /* 0x01 */ u8 atFlags;  // Information flags for AT collisions. 
    /* 0x02 */ u8 acFlags;  // Information flags for AC collisions.
    /* 0x03 */ u8 ocFlags1; // Information flags for OC collisions.
    /* 0x04 */ u8 shape;    // JntSph, Cylinder, Tris, or Quad
} ColliderInitType1; // size = 0x05

typedef struct {
    /* 0x00 */ struct Actor* actor; // Attached actor
    /* 0x04 */ u8 atFlags;          // Information flags for AT collisions.
    /* 0x05 */ u8 acFlags;          // Information flags for AC collisions.
    /* 0x06 */ u8 ocFlags1;         // Information flags for OC collisions.
    /* 0x07 */ u8 shape;            // JntSph, Cylinder, Tris, or Quad
} ColliderInitToActor; // size = 0x08

typedef struct {
    /* 0x00 */ u32 dmgFlags;    // Toucher damage type flags.
    /* 0x04 */ u8  effect;      // Damage Effect (Knockback, Fire, etc.)
    /* 0x05 */ u8  damage;      // Damage or Stun Timer
} ColliderTouch; // size = 0x08

typedef struct {
    /* 0x00 */ u32 dmgFlags;    // Toucher damage type flags.
    /* 0x04 */ u8  effect;      // Damage Effect (Knockback, Fire, etc.)
    /* 0x05 */ u8  damage;      // Damage or Stun Timer
} ColliderTouchInit; // size = 0x08

typedef struct {
    /* 0x00 */ u32   dmgFlags;  // Bumper damage type flags.
    /* 0x04 */ u8    effect;    // Damage Effect (Knockback, Fire, etc.)
    /* 0x05 */ u8    defense;   // Damage Resistance
    /* 0x06 */ Vec3s hitPos;    // Point of contact
} ColliderBump; // size = 0x0C

typedef struct {
    /* 0x00 */ u32 dmgFlags;    // Bumper exclusion mask
    /* 0x04 */ u8  effect;      // Damage Effect (Knockback, Fire, etc.)
    /* 0x05 */ u8  defense;     // Damage Resistance
} ColliderBumpInit; // size = 0x08

typedef struct ColliderInfo {
    /* 0x00 */ ColliderTouch toucher;           // Damage properties when acting as an AT collider
    /* 0x08 */ ColliderBump  bumper;            // Damage properties when acting as an AC collider
    /* 0x14 */ u8 elemType;                     // Affects sfx reaction when attacked by Link and hookability. Full purpose unknown.
    /* 0x15 */ u8 toucherFlags;                 // Information flags for AT collisions
    /* 0x16 */ u8 bumperFlags;                  // Information flags for AC collisions
    /* 0x17 */ u8 ocElemFlags;                  // Information flags for OC collisions
    /* 0x18 */ Collider* atHit;                 // object touching this element's AT collider
    /* 0x1C */ Collider* acHit;                 // object touching this element's AC collider
    /* 0x20 */ struct ColliderInfo* atHitInfo;  // element that hit the AT collider
    /* 0x24 */ struct ColliderInfo* acHitInfo;  // element that hit the AC collider
} ColliderInfo; // size = 0x28

typedef struct {
    /* 0x00 */ u8 elemType;                 // Affects sfx reaction when attacked by Link and hookability. Full purpose unknown.
    /* 0x04 */ ColliderTouchInit toucher;   // Damage properties when acting as an AT collider
    /* 0x0C */ ColliderBumpInit  bumper;    // Damage properties when acting as an AC collider
    /* 0x14 */ u8 toucherFlags;             // Information flags for AT collisions
    /* 0x15 */ u8 bumperFlags;              // Information flags for AC collisions
    /* 0x16 */ u8 ocElemFlags;              // Information flags for OC collisions
} ColliderInfoInit; // size = 0x18

typedef struct {
    /* 0x00 */ Sphere16 modelSphere;    // model space sphere
    /* 0x08 */ Sphere16 worldSphere;    // world space sphere
    /* 0x10 */ f32      scale;          // worldsphere = modelsphere * scale * 0.01
    /* 0x14 */ u8       limb;           // attached limb
} ColliderJntSphElementDim; // size = 0x18

typedef struct {
    /* 0x00 */ u8       limb;           // attached limb
    /* 0x02 */ Sphere16 modelSphere;    // model space sphere
    /* 0x0A */ s16      scale;          // world space sphere = model * scale * 0.01
} ColliderJntSphElementDimInit; // size = 0x0C

typedef struct {
    /* 0x00 */ ColliderInfo info;
    /* 0x28 */ ColliderJntSphElementDim dim;
} ColliderJntSphElement; // size = 0x40

typedef struct {
    /* 0x00 */ ColliderInfoInit info;
    /* 0x18 */ ColliderJntSphElementDimInit dim;
} ColliderJntSphElementInit; // size = 0x24

typedef struct {
    /* 0x00 */ Collider base;
    /* 0x18 */ s32 count;
    /* 0x1C */ ColliderJntSphElement* elements;
} ColliderJntSph; // size = 0x20

typedef struct {
    /* 0x0 */ ColliderInit base;
    /* 0x8 */ s32 count;
    /* 0xC */ ColliderJntSphElementInit* elements;
} ColliderJntSphInit; // size = 0x10

typedef struct {
    /* 0x00 */ ColliderInitType1 base;
    /* 0x08 */ s32 count;
    /* 0x0C */ ColliderJntSphElementInit* elements;
} ColliderJntSphInitType1; // size = 0x10

typedef struct {
    /* 0x00 */ ColliderInitToActor base;
    /* 0x08 */ s32 count;
    /* 0x0C */ ColliderJntSphElementInit* elements;
} ColliderJntSphInitToActor; // size = 0x10

typedef struct {
    /* 0x00 */ Collider     base;
    /* 0x18 */ ColliderInfo info;
    /* 0x40 */ Cylinder16   dim;
} ColliderCylinder; // size = 0x4C

typedef struct {
    /* 0x00 */ ColliderInit     base;
    /* 0x08 */ ColliderInfoInit info;
    /* 0x20 */ Cylinder16       dim;
} ColliderCylinderInit; // size = 0x2C

typedef struct {
    /* 0x00 */ ColliderInitType1 base;
    /* 0x08 */ ColliderInfoInit  info;
    /* 0x20 */ Cylinder16        dim;
} ColliderCylinderInitType1; // size = 0x2C

typedef struct {
    /* 0x00 */ ColliderInitToActor base;
    /* 0x08 */ ColliderInfoInit    info;
    /* 0x20 */ Cylinder16          dim;
} ColliderCylinderInitToActor; // size = 0x2C

typedef struct {
    /* 0x00 */ Vec3f vtx[3];
} ColliderTrisElementDimInit; // size = 0x24

typedef struct {
    /* 0x00 */ ColliderInfo info;
    /* 0x28 */ TriNorm      dim;
} ColliderTrisElement; // size = 0x5C

typedef struct {
    /* 0x00 */ ColliderInfoInit info;
    /* 0x18 */ ColliderTrisElementDimInit dim;
} ColliderTrisElementInit; // size = 0x3C

typedef struct {
    /* 0x00 */ Collider base;
    /* 0x18 */ s32 count;
    /* 0x1C */ ColliderTrisElement* elements;
} ColliderTris; // size = 0x20

typedef struct {
    /* 0x0 */ ColliderInit base;
    /* 0x8 */ s32 count;
    /* 0xC */ ColliderTrisElementInit* elements;
} ColliderTrisInit; // size = 0x10

typedef struct {
    /* 0x00 */ ColliderInitType1 base;
    /* 0x08 */ s32 count;
    /* 0x0C */ ColliderTrisElementInit* elements;
} ColliderTrisInitType1; // size = 0x10

typedef struct {
    /* 0x00 */ Vec3f quad[4];
    /* 0x30 */ Vec3s dcMid;     // midpoint of vectors d, c
    /* 0x36 */ Vec3s baMid;     // midpoint of vectors b, a
    /* 0x3C */ f32   acDist;    // distance to nearest AC collision this frame.
} ColliderQuadDim; // size = 0x40

typedef struct {
    /* 0x00 */ Vec3f quad[4];
} ColliderQuadDimInit; // size = 0x30

typedef struct {
    /* 0x00 */ Collider        base;
    /* 0x18 */ ColliderInfo    info;
    /* 0x40 */ ColliderQuadDim dim;
} ColliderQuad; // size = 0x80

typedef struct {
    /* 0x00 */ ColliderInit        base;
    /* 0x08 */ ColliderInfoInit    info;
    /* 0x20 */ ColliderQuadDimInit dim;
} ColliderQuadInit; // size = 0x50

typedef struct {
    /* 0x00 */ ColliderInitType1   base;
    /* 0x08 */ ColliderInfoInit    info;
    /* 0x20 */ ColliderQuadDimInit dim;
} ColliderQuadInitType1; // size = 0x50

typedef struct {
    /* 0x00 */ Collider     base;
    /* 0x18 */ ColliderInfo info;
    /* 0x40 */ ColliderJntSphElementDim dim;
} ColliderSphere; // size = 0x58

typedef struct {
    /* 0x00 */ ColliderInit     base;
    /* 0x08 */ ColliderInfoInit info;
    /* 0x20 */ ColliderJntSphElementDimInit dim;
} ColliderSphereInit; // size = 0x2C

typedef struct {
    /* 0x00 */ LineSegment line;
    /* 0x18 */ u16         ocFlags;
} OcLine; // size = 0x1C

typedef struct {
    /* 0x000 */ s16       colATCount;
    /* 0x002 */ u16       sacFlags;     // Controls whether new collidors can be added or removed, or only swapped
    /* 0x004 */ Collider* colAT[50];
    /* 0x0CC */ s32       colACCount;
    /* 0x0D0 */ Collider* colAC[60];
    /* 0x1C0 */ s32       colOCCount;
    /* 0x1C4 */ Collider* colOC[50];
    /* 0x28C */ s32       colLineCount;
    /* 0x290 */ OcLine*   colLine[3];
} CollisionCheckContext; // size = 0x29C

typedef struct {
    /* 0 */ u8 blood;
    /* 1 */ u8 effect;
} HitInfo; // size = 0x2

typedef enum {
    /* 0 */ BLOOD_NONE,
    /* 1 */ BLOOD_BLUE,
    /* 2 */ BLOOD_GREEN,
    /* 3 */ BLOOD_WATER,
    /* 4 */ BLOOD_RED,
    /* 5 */ BLOOD_RED2
} ColChkBloodType;

typedef enum {
    /* 0 */ HIT_WHITE,
    /* 1 */ HIT_DUST,
    /* 2 */ HIT_RED,
    /* 3 */ HIT_SOLID,
    /* 4 */ HIT_WOOD,
    /* 5 */ HIT_NONE
} ColChkHitType;

typedef enum {
    /* 0 */ MASSTYPE_IMMOVABLE,
    /* 1 */ MASSTYPE_HEAVY,
    /* 2 */ MASSTYPE_NORMAL
} ColChkMassType;

typedef enum {
    /* 0  */ COLTYPE_HIT0, // Blue blood, white hitmark
    /* 1  */ COLTYPE_HIT1, // No blood, dust hitmark
    /* 2  */ COLTYPE_HIT2, // Green blood, dust hitmark
    /* 3  */ COLTYPE_HIT3, // No blood, white hitmark
    /* 4  */ COLTYPE_HIT4, // Water burst, no hitmark
    /* 5  */ COLTYPE_HIT5, // No blood, red hitmark
    /* 6  */ COLTYPE_HIT6, // Green blood, white hitmark
    /* 7  */ COLTYPE_HIT7, // Red blood, white hitmark
    /* 8  */ COLTYPE_HIT8, // Blue blood, red hitmark
    /* 9  */ COLTYPE_METAL,
    /* 10 */ COLTYPE_NONE,
    /* 11 */ COLTYPE_WOOD,
    /* 12 */ COLTYPE_HARD,
    /* 13 */ COLTYPE_TREE
} ColliderType;

typedef enum {
    /* 0 */ COLSHAPE_JNTSPH,
    /* 1 */ COLSHAPE_CYLINDER,
    /* 2 */ COLSHAPE_TRIS,
    /* 3 */ COLSHAPE_QUAD,
    /* 4 */ COLSHAPE_SPHERE,
    /* 5 */ COLSHAPE_MAX
} ColliderShape;

typedef enum {
    /* 0 */ ELEMTYPE_UNK0,
    /* 1 */ ELEMTYPE_UNK1,
    /* 2 */ ELEMTYPE_UNK2,
    /* 3 */ ELEMTYPE_UNK3,
    /* 4 */ ELEMTYPE_UNK4,
    /* 5 */ ELEMTYPE_UNK5,
    /* 6 */ ELEMTYPE_UNK6,
    /* 7 */ ELEMTYPE_UNK7
} ElementType;

#define SAC_ON (1 << 0) // CollisionContext SAC Flag

#define AT_NONE 0 // No flags set. Cannot have AT collisions when set as AT
#define AT_ON (1 << 0) // Can have AT collisions when set as AT
#define AT_HIT (1 << 1) // Had an AT collision
#define AT_BOUNCED (1 << 2) // Had an AT collision with an AC_HARD collider
#define AT_TYPE_PLAYER (1 << 3) // Has player-aligned damage
#define AT_TYPE_ENEMY (1 << 4) // Has enemy-aligned damage
#define AT_TYPE_OTHER (1 << 5) // Has non-aligned damage
#define AT_SELF (1 << 6) // Can have AT collisions with colliders attached to the same actor
#define AT_TYPE_ALL (AT_TYPE_PLAYER | AT_TYPE_ENEMY | AT_TYPE_OTHER) // Has all three damage alignments

#define AC_NONE 0 // No flags set. Cannot have AC collisions when set as AC
#define AC_ON (1 << 0) // Can have AC collisions when set as AC
#define AC_HIT (1 << 1) // Had an AC collision
#define AC_HARD (1 << 2) // Causes AT colliders to bounce off it
#define AC_TYPE_PLAYER AT_TYPE_PLAYER // Takes player-aligned damage
#define AC_TYPE_ENEMY AT_TYPE_ENEMY // Takes enemy-aligned damage
#define AC_TYPE_OTHER AT_TYPE_OTHER // Takes non-aligned damage
#define AC_NO_DAMAGE (1 << 6) // Collider does not take damage
#define AC_BOUNCED (1 << 7) // Caused an AT collider to bounce off it
#define AC_TYPE_ALL (AC_TYPE_PLAYER | AC_TYPE_ENEMY | AC_TYPE_OTHER) // Takes damage from all three alignments

#define OC1_NONE 0 // No flags set. Cannot have OC collisions when set as OC
#define OC1_ON (1 << 0) // Can have OC collisions when set as OC
#define OC1_HIT (1 << 1) // Had an OC collision
#define OC1_NO_PUSH (1 << 2) // Does not push other colliders away during OC collisions
#define OC1_TYPE_PLAYER (1 << 3) // Can have OC collisions with OC type player
#define OC1_TYPE_1 (1 << 4) // Can have OC collisions with OC type 1
#define OC1_TYPE_2 (1 << 5) // Can have OC collisions with OC type 2
#define OC1_TYPE_ALL (OC1_TYPE_PLAYER | OC1_TYPE_1 | OC1_TYPE_2) // Can have collisions with all three OC types

#define OC2_NONE 0 // No flags set. Has no OC type
#define OC2_HIT_PLAYER (1 << 0) // Had an OC collision with OC type player
#define OC2_UNK1 (1 << 1) // Prevents OC collisions with OC2_UNK2. Some horses and toki_sword have it.
#define OC2_UNK2 (1 << 2) // Prevents OC collisions with OC2_UNK1. Nothing has it.
#define OC2_TYPE_PLAYER OC1_TYPE_PLAYER // Has OC type player
#define OC2_TYPE_1 OC1_TYPE_1 // Has OC type 1
#define OC2_TYPE_2 OC1_TYPE_2 // Has OC type 2
#define OC2_FIRST_ONLY (1 << 6) // Skips AC checks on elements after the first collision. Only used by Ganon

#define TOUCH_NONE 0 // No flags set. Cannot have AT collisions
#define TOUCH_ON (1 << 0) // Can have AT collisions
#define TOUCH_HIT (1 << 1) // Had an AT collision
#define TOUCH_NEAREST (1 << 2) // If a Quad, only collides with the closest bumper
#define TOUCH_SFX_NORMAL (0 << 3) // Hit sound effect based on AC collider's type
#define TOUCH_SFX_HARD (1 << 3) // Always uses hard deflection sound
#define TOUCH_SFX_WOOD (2 << 3) // Always uses wood deflection sound
#define TOUCH_SFX_NONE (3 << 3) // No hit sound effect
#define TOUCH_AT_HITMARK (1 << 5) // Draw hitmarks for every AT collision
#define TOUCH_DREW_HITMARK (1 << 6) // Already drew hitmark for this frame
#define TOUCH_UNK7 (1 << 7) // Unknown purpose. Used by some enemy quads

#define BUMP_NONE 0 // No flags set. Cannot have AC collisions
#define BUMP_ON (1 << 0) // Can have AC collisions
#define BUMP_HIT (1 << 1) // Had an AC collision
#define BUMP_HOOKABLE (1 << 2) // Can be hooked if actor has hookability flags set.
#define BUMP_NO_AT_INFO (1 << 3) // Does not give its info to the AT collider that hit it.
#define BUMP_NO_DAMAGE (1 << 4) // Does not take damage.
#define BUMP_NO_SWORD_SFX (1 << 5) // Does not have a sound when hit by player-attached AT colliders.
#define BUMP_NO_HITMARK (1 << 6) // Skips hit effects.
#define BUMP_DRAW_HITMARK (1 << 7) // Draw hitmark for AC collision this frame.

#define OCELEM_NONE 0 // No flags set. Cannot have OC collisions
#define OCELEM_ON (1 << 0) // Can have OC collisions
#define OCELEM_HIT (1 << 1) // Had an OC collision
#define OCELEM_UNK2 (1 << 2) // Unknown purpose.
#define OCELEM_UNK3 (1 << 3) // Unknown purpose. Used by Dead Hand element 0 and Dodongo element 5

#define OCLINE_NONE 0 // Did not have an OcLine collision
#define OCLINE_HIT (1 << 0) // Had an OcLine collision

#define DMG_ENTRY(damage, effect) ((damage) | ((effect) << 4))

// These flags are not to be used in code until we figure out how we want to format them. They are only here for reference 
#define DMG_DEKU_NUT       (1 << 0x00)
#define DMG_DEKU_STICK     (1 << 0x01)
#define DMG_HORSE_TRAMPLE  (1 << 0x02)
#define DMG_EXPLOSIVES     (1 << 0x03)
#define DMG_ZORA_BOOMERANG (1 << 0x04)
#define DMG_NORMAL_ARROW   (1 << 0x05)
#define DMG_UNK_0x06       (1 << 0x06)
#define DMG_HOOKSHOT       (1 << 0x07)
#define DMG_GORON_PUNCH    (1 << 0x08)
#define DMG_SWORD          (1 << 0x09)
#define DMG_GORON_POUND    (1 << 0x0A)
#define DMG_FIRE_ARROW     (1 << 0x0B)
#define DMG_ICE_ARROW      (1 << 0x0C)
#define DMG_LIGHT_ARROW    (1 << 0x0D)
#define DMG_GORON_SPIKES   (1 << 0x0E)
#define DMG_DEKU_SPIN      (1 << 0x0F)
#define DMG_DEKU_BUBBLE    (1 << 0x10)
#define DMG_DEKU_LAUNCH    (1 << 0x11)
#define DMG_UNK_0x12       (1 << 0x12)
#define DMG_ZORA_BARRIER   (1 << 0x13)
#define DMG_NORMAL_SHIELD  (1 << 0x14)
#define DMG_LIGHT_RAY      (1 << 0x15)
#define DMG_THROWN_OBJECT  (1 << 0x16)
#define DMG_ZORA_PUNCH     (1 << 0x17)
#define DMG_SPIN_ATTACK    (1 << 0x18)
#define DMG_SWORD_BEAM     (1 << 0x19)
#define DMG_NORMAL_ROLL    (1 << 0x1A)
#define DMG_UNK_0x1B       (1 << 0x1B)
#define DMG_UNK_0x1C       (1 << 0x1C)
#define DMG_UNBLOCKABLE    (1 << 0x1D)
#define DMG_UNK_0x1E       (1 << 0x1E)
#define DMG_POWDER_KEG     (1 << 0x1F)


#endif