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--- kirby64_the_crystal_shards:level_settings_blocks [2020/02/18 19:12]
jesusyoshi54 [Collision Header]
+++ kirby64_the_crystal_shards:level_settings_blocks [2020/03/05 18:21]
jesusyoshi54 [Path Nodes]
@@ Line 5: / Line 5: @@
   - Main Header
-  - Vertices (s16 triplets)
+  - Vertices
-  - Triangles (20 bytes each)
+  - Triangles
   - Surface Normals
   - Triangle Groups/Cells
@@ Line 12: / Line 12: @@
   - Dynamic Geometry Lists
   - Dynamic Geometry Groups
-  - Optional Section?
+  - Water Data
-  - Collision Header (referred to by Header[0])
+  - Water Normals
+  - Collision Header (referred to by Main Header[0])
   - Pathing Nodes
   - Kirby Node Params & Camera Nodes
@@ Line 19: / Line 20: @@
   - Unk Bytes
   - Unk Floats
-  - Camera&Pathing Header
+  - Path Node Headers
-  - Header_1(referred to by Header[1])
+  - Node Header (referred to by Main Header[1])
-  - Entity List (referred to by Header[2])
+  - Entity List (referred to by Main Header[2])
 ==== Main Header ====
@@ Line 27: / Line 28: @@
 The main header contains references to the three main sections of the level settings block: Collision, Camera and the Entity List.
 <code c>
-struct Main_Header{
+struct Main_Header
-   /*0x00*/    ptr    *Collision_Header
+{
-   /*0x04*/    ptr    *Camera_Header
+/*0x00*/    ptr    *Collision_Header;
-   /*0x08*/    ptr    *Entity_IDs
+/*0x04*/    ptr    *Node_Header;
-   }
+/*0x08*/    ptr    *Entity_IDs;
+};
 </code>
@@ Line 49: / Line 51: @@
 Every Triangle has a struct that has additional parameters telling the game how to handle collision.
 <code c>
-struct Triangle{
+struct Col_Triangle
-/*0x0*/ 	u16	Vertex[3]
+{
-/*0x6*/ 	u16	Polygon_Number
+/*0x0*/ 	u16        Vertex[3];
-/*0x8*/ 	u16	Collision_Type_1 #(1 forward norm, 2 back norm, 4 no shadow, 8 non solid/warp related?)
+/*0x6*/ 	u16	   Polygon_Number;
-/*0xA*/ 	u16	Destructable_Group_Index
+/*0x8*/ 	u16        Solidty_Type; //(1 forward norm, 2 back norm, 4 no shadow, 8 non solid)
-/*0xC*/ 	u16	Break_Particle #(seen in DEDEDE hammer break)
+/*0xA*/ 	u16	   Destructable_Group_Index;
-/*0xE*/ 	u16	Halt_Movement #warp related? Maybe dest (kirby cant move while on top of this if 1)
+/*0xC*/ 	u16	   Break_Particle; //(seen in DEDEDE hammer break)
-/*0x10*/	s16	Col_Param1 #Amount to move kirby while on certain col types or Break Condition
+/*0xE*/ 	u16	   Halt_Movement; //warp related? Maybe dest (kirby cant move while on top of this if 1)
-/*0x12*/	u16	Collision_Type_2 #see col type list
+/*0x10*/	s16	   Col_Param1; //Amount to move kirby while on certain col types or Break Condition
-}
+/*0x12*/	u16	   Collision_Type; //see col type list
+};
 </code>
-The following is a list of Collision_Type_2 values known.
+The following is a list of Collision_Type values known.
   * 0x1 - wall ladder
   * 0x2 - rope
@@ Line 79: / Line 82: @@
 Triangle normals are stored as a F32 array of 4 values. The first three values are the surface normals while the last is the origin offset. Together the normals should solve the plane equation (see:[[http://mathworld.wolfram.com/Plane.html|link]]).
-The list of normals always starts with (-1,-2,-3,-4) and this is used to refer to walls. The actual value of the first set of normal is not known to have any significance. Redundant normals are not repeated, but are just referenced multiple times (e.g. two triangles with norm Y==1 and offset==0 share their normal).
+The list of normals always starts with (-1,-2,-3,-4) and is used to refer to walls, only floor and ceilings have their normals listed. The actual value of the first set of normal is not known to have any significance. Redundant normals are not repeated, but are just referenced multiple times (e.g. two triangles with norm Y==1 and offset==0 share their normal).
+<code c>
+struct Normal
+{
+/*0x0*/    Vec3f    Surface_Normals
+/*0xC*/    f32      Origin_Offset
+}
+</code>
 ==== Triangle Groups ====
@@ Line 97: / Line 108: @@
 Normal groups are sorted by polygon index. Only floors & ceilings are referenced by the normal groups, walls are given the first index of the normals list (-1,-2,-3,-4).
-Norm List Structure
 <code c>
-x0  u16  Normal_Index
+struct Norm_Group
-x2  u16  Triangle_Index
+{
+/*0x0*/  u16  Normal_Index;
+/*0x2*/  u16  Triangle_Index;
+};
 </code>
 ==== Dynamic Geometry Lists ====
@@ Line 109: / Line 122: @@
 <code c>
-x0  u16  Num_Dynamic_Geo_Group_Members #Number of connected triangles
+struct DynGeo_List
-x2  u16  Index_To_Dynamic_Geo_Group #(0x30 in col header)
+{
-x4  u16  Unk_Index #Gets stored to unk struct
+/*0x0*/  u16  Num_Dynamic_Geo_Group_Members; //Number of connected triangles
+/*0x2*/  u16  Index_To_Dynamic_Geo_Group; //(0x30 in col header)
+/*0x4*/  u16  Unk_Index; //Gets stored to unk struct
+};
 </code>
-The dynamic geo list ends with 0x9999
+The dynamic geo list usually ends with 0x9999, but it is not necessary.
+The dynamic geo list can also be null, in that case the col header will have a null ptr to match.
 ==== Dynamic Geometry Groups ====
@@ Line 123: / Line 140: @@
 The dynamic geomtry group only has the references to triangles. The transformation (usually destruction) is applied based on col type or specific code.
-The dynamic geo geoup array ends with 0x9999
+The dynamic geo geoup array usually ends with 0x9999, but its not necessary.
+This list can also be null, and will have a null ptr in the col header to match.
+==== Water Data ====
+Water data is an array of water structs that will determine how kirby collides with water.
+Normals and a bounding box are used instead of polygons to determine collision. First kirby has to be inside the bounding box inside the water data struct.
+Then the normals are used. Normals are different than collision triangle geometry in that they define an infinite plane. The normal planes intersect to create a closed surface which is used as the collision check.
+The bytes inside the water data struct act as bools.
+<code c>
+struct Water_Data
+{
+/*0x0*/    u16    Num_Normals;
+/*0x2*/    u16    Norm_Array_Index;
+/*0x4*/    u8     Water_Box_Active;
+/*0x5*/    u8     Activate_Water_Flow;
+/*0x6*/    u8     Water_Flow_Direction;
+/*0x7*/    u8     Water_Flow_Speed;
+/*0x8*/    f32    Pos1;
+/*0xC*/    f32    Pos2;
+/*0x10*/   f32    Pos3;
+/*0x14*/   f32    Pos4;
+};
+</code>
+==== Water Floats ====
+Works exactly like floats for other collision triangles.
+Lead by a (1,2,3,4) the followed by (3*norms,origin offset).
+Follows all the conventions for normals that you'd expect, including n * r = -offset.
+This list is only accessed by being pointed to by the water data struct.
 ==== Collision Header ====
 The collision header is referred to by the first index inside the main header. The collision header has the following format.
 <code c>
-struct Collision_Header{
+struct Collision_Header
-/*0x0*/    ptr    Triangles_Offset
+{
-/*0x4*/    U32    Num_Triangles
+/*0x0*/    struct Col_Triangle    *Triangles;
-/*0x8*/    ptr    Vertices_Offset
+/*0x4*/    u32       Len_Triangles;
-/*0xC*/    U32    Num_Vertices
+/*0x8*/    s16       (*Vertices)[][3];
-/*0x10*/   ptr    Triangle_Normals
+/*0xC*/    u32       Len_Vertices;
-/*0x14*/   U32    Num_Norms
+/*0x10*/   struct Normal          (*Triangle_Normals)[];
-/*0x18*/   ptr    Triangle_Cells_Offset
+/*0x14*/   u32       Len_Tiangle_Normals;
-/*0x1C*/   U32    Num_Triangle_Cells
+/*0x18*/   u16       (*Triangle_Cells)[][2];
-/*0x20*/   ptr    Triangle_Norm_Cells_Offset
+/*0x1C*/   u32       Len_Triangle_Cells;
-/*0x24*/   U32    Num_Tri_Norm_Cells
+/*0x20*/   u16       (*Triangle_Norm_Cells)[][2];
-/*0x28*/   U32    Num_Floor_Norms #Should be tri norm cells minus 1
+/*0x24*/   u32       Len_Triangle_Norm_Cells;
-/*0x2C*/   ptr    Destructable_Groups
+/*0x28*/   u32       Num_Floor_Norms; //Should be tri norm cells minus 1
-/*0x30*/   ptr    Destructable Indices
+/*0x2C*/   struct DynGeo_List     (*Destructable_Groups)[];
-/*0x34*/   ptr    Opt_Param_1_Offset
+/*0x30*/   u16       (*Destructable Indices)[];
-/*0x38*/   U32    Opt_Param_1_Value
+/*0x34*/   struct Water_Data      (*Water_Data)[];
-/*0x3C*/   ptr    Opt_Param_2_Offset
+/*0x38*/   u32       Len_Water_Data;
-/*0x40*/   U32    Opt_Param_2_Value
+/*0x3C*/   struct Normal          (*Water_Normals)[];
-}
+/*0x40*/   u32       Len_Water_Normals;
+};
 </code>
-===== Header_1 =====
+===== Node_Header =====
 The level nodes are referred to by the second index in the main header.
 This section tells the game how to move kirby as you progress through the level and how the camera should act.
+<code c>
+struct Node_Header
+{
+/*0x0*/    u32    Num_Path_Nodes;
+/*0x4*/    struct Path_Node_Header   (*Path_Node_Header)[];
+/*0x8*/    u8     (*Unk_Bytes)[];
+/*0xC*/    f32    (*Unk_Floats)[];
+};
+</code>
+==== Path Node Headers ====
+Pathing nodes are sections of the level that have a defined path and camera movement for kirby as he progresses through the level.
+Each node has several parts which are pointed to by the path node header array.
+<code c>
+struct Path_Node_Header
+{
+/*0x0*/    struct Kirby_Node	  *Kirby_Node;
+/*0x4*/	   struct Path_Node_Footer    *Path_Node_Footer;
+/*0x8*/	   struct Node_Connecters     (*Node_Connections)[];
+/*0xC*/	   u16		Num_Connections;
+/*0xE*/	   u16		Self_Connected;
+};
+</code>
+==== Path Nodes ====
+Path nodes are made up of 3 parts. A footer, a position matrix, and a boundary matrix.
+The path node footer contains pointers to the other sections, as well as important data for those sections.
+The boundary matrix is a N×1 matrix that has percentage completion for the positional matrix.
+This matrix tells the game how much each position in the position matrix contributes towards one node.
+The position matrix is a 3×N matrix which tells the game the absolute positioning of kirby as you progress through the level.
+This matrix is how kirby moves in both X and Z when you push to the right.
+All together these sections create a path which kirby will walk along when you push right/left.
+Theyre ordered in the rom as: Position matrix, boundary matrix, path node footer.
+<code c>
+struct Path_Node_Footer
+{
+/*0x00*/    u32    Num_Node_Sections;
+/*0x04*/    u32    Unused;
+/*0x08*/    Vec3f  (*Position_Matrix)[];
+/*0x0C*/    f32    Inverse_H_Speed;
+/*0x10*/    f32    (*Boundary_Matrix)[];
+/*0x14*/    f32    (*Unk)[][5];
+};
+</code>
+The unknown section is almost always null. All that is known is that it follows the boundary matrix and is an areay of 5 floats, with length of Num_Node_Sections-1.
+==== Camera&Kirby Nodes ====
+These nodes tell the game how to move the camera with respect to the path nodes.
+There are settings for kirby's graphics (possibly lots of other things aswell) as he progresses through the level, as well as camera movement.
+<code c>
+struct Kirby_Node
+{
+/*0x00*/	u32     unk;
+/*0x02*/        u16     unk2;
+/*0x04*/	u32	unk3;
+/*0x08*/	u8	unused;
+/*0x09*/	u8	Shade_Left;
+/*0x0A*/	u8	Shade_Center;
+/*0x0B*/	u8	Shade_Right;
+/*0x0C*/	u16	unk4;
+/*0x0E*/	u16	Unkflag;
+/*0x10*/	u32     opt_1;
+/*0x14*/	u32     opt_2;
+/*0x18*/	u32     opt_3;
+/*0x1C*/	u32     opt_4;
+/*0x20*/    struct Camera_Node    Camera;
+};
+</code>
+<code c>
+struct Camera_Node
+{
+/*0x00*/   u16    Camera_Type;
+/*0x02*/   u8     Lock_X_pos;
+/*0x03*/   u8     Lock_Y_pos;
+/*0x04*/   u8     Lock_Z_pos;
+/*0x05*/   u8     unused;
+/*0x06*/   u8     unk1;
+/*0x07*/   u8     unk2;
+/*0x08*/   u8     Follow_X_Angle;
+/*0x09*/   u8     unk4;
+/*0x0A*/   u8     unk5;
+/*0x0C*/   f32    X_Focus_Pos;
+/*0x10*/   f32    Y_Focus_Pos;
+/*0x14*/   f32    Flag; //always 9999?
+/*0x18*/   f32    Near_Clip_Plane;
+/*0x1C*/   f32    Far_Clip_Plane;
+/*0x20*/   f32[2] Cam_Y_Pos;
+/*0x28*/   f32[2] Cam_X_Pos;
+/*0x30*/   f32[2] Cam_Z_Pos;
+/*0x38*/   f32[2] FOV_Pair;
+/*0x40*/   f32[2] Lateral_Y_Pos;
+/*0x48*/   f32    Unk6;
+/*0x4C*/   f32    Cam_X_Offset_Locked;
+/*0x50*/   f32    Unk7;
+/*0x54*/   f32    Cam_Y_Pos_Locked;
+/*0x58*/   f32[2] Flag2; //a 9999 pair
+/*0x60*/   f32    Focus_Y_Above; //while 0x6 is true
+/*0x64*/   f32    Focus_Y_Below; //while 0x6 is true
+/*0x68*/   f32    Focus_X_Left; //while 0x6 is true
+/*0x6C*/   f32    Focus_X_Right; //while 0x6 is true
+};
+</code>
+==== Node Connectors ====
+Node connectors tell the game which nodes to use as kirby hits the boundaries of a node.
+The number of connections for each node is listed in the path node header.
+<code c>
+struct Node_Connectors
+{
+/*0x00*/    u16     Unused;  //Not entirely sure
+/*0x02*/    u16     Current_Node;
+/*0x04*/    u16     Unused2; //Not sure
+/*0x06*/    u16     Connected_Node;
+};
+</code>
+===== Entity List =====
+The entity list is an array of structs ehich spawn objects as kirby gets in range. It is terminated by an 0x99999999 marker.
+See [[kirby64_the_crystal_shards:entity_ids|]] for more info

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