-#ifndef MODEL_H
-#define MODEL_H
-
-#include "common.h"
-
-typedef struct glmesh glmesh;
-
-typedef struct mdl_vert mdl_vert;
-typedef struct mdl_submesh mdl_submesh;
-typedef struct mdl_material mdl_material;
-typedef struct mdl_node mdl_node;
-typedef struct mdl_header mdl_header;
-
-#define MDL_SIZE_MAX 0x1000000
-#define MDL_VERT_MAX 1000000
-#define MDL_INDICE_MAX 1000000
-#define MDL_MATERIAL_MAX 500
-#define MDL_NODE_MAX 4000
-#define MDL_SUBMESH_MAX 8000
-#define MDL_STRING_LENGTH_MAX 64
-
-#pragma pack(push,1)
-
-struct mdl_vert
-{
- v3f co,
- norm;
- v4f colour;
- v2f uv;
-};
-
-struct mdl_submesh
-{
- u32 indice_start,
- indice_count,
- vertex_start,
- vertex_count;
-
- boxf bbx;
- u32 material_id;
-};
-
-struct mdl_material
-{
- u32 pstr_name;
-};
-
-struct mdl_node
-{
- v3f co;
- v4f q;
- v3f s;
-
- union{ u32 submesh_start, sub_uid; };
- u32
- submesh_count,
- classtype,
- offset,
- pstr_name;
-};
-
-struct mdl_header
-{
- u32 identifier, version, file_length;
-
- u32 vertex_count, vertex_offset,
- indice_count, indice_offset,
- submesh_count, submesh_offset,
- material_count, material_offset,
- node_count, node_offset,
- strings_offset, entdata_offset;
-};
-
-/*
- * Entity data structures
+/*
+ * Copyright (C) 2021-2024 Mt.ZERO Software, Harry Godden - All Rights Reserved
*/
-struct classtype_block
-{
- boxf bbx;
+#pragma once
+
+#define MDL_VERSION_MIN 101
+#define MDL_VERSION_NR 105
+
+enum mdl_shader{
+ k_shader_standard = 0,
+ k_shader_standard_cutout = 1,
+ k_shader_terrain_blend = 2,
+ k_shader_standard_vertex_blend = 3,
+ k_shader_water = 4,
+ k_shader_invisible = 5,
+ k_shader_boundary = 6,
+ k_shader_fxglow = 7,
+ k_shader_cubemap = 8,
+ k_shader_walking = 9,
+ k_shader_foliage = 10,
+ k_shader_override = 30000
};
-struct classtype_gate
-{
- u32 target;
+enum mdl_surface_prop{
+ k_surface_prop_concrete = 0,
+ k_surface_prop_wood = 1,
+ k_surface_prop_grass = 2,
+ k_surface_prop_tiles = 3,
+ k_surface_prop_metal = 4,
+ k_surface_prop_snow = 5,
+ k_surface_prop_sand = 6
};
-struct classtype_spawn
-{
- u32 target;
+enum material_flag{
+ k_material_flag_skate_target = 0x0001,
+ k_material_flag_collision = 0x0002,
+ k_material_flag_grow_grass = 0x0004,
+ k_material_flag_grindable = 0x0008,
+ k_material_flag_invisible = 0x0010,
+ k_material_flag_boundary = 0x0020,
+ k_material_flag_preview_visibile = 0x0040,
+ k_material_flag_walking = 0x0080,
+
+ k_material_flag_ghosts =
+ k_material_flag_boundary|
+ k_material_flag_invisible|
+ k_material_flag_walking
};
-struct classtype_water
-{
- u32 temp;
-};
+#pragma pack(push,1)
-struct classtype_car_path
+/* 48 byte */
+struct mdl_vert
{
- u32 target, target1;
+ v3f co, /* 3*32 */
+ norm; /* 3*32 */
+ v2f uv; /* 2*32 */
+
+ u8 colour[4]; /* 4*8 */
+ u16 weights[4];/* 4*16 */
+ u8 groups[4]; /* 4*8 */
};
#pragma pack(pop)
-/*
- * Simple mesh interface for OpenGL
- */
+typedef u32 mdl_indice;
+
+typedef struct mdl_context mdl_context;
+typedef struct mdl_array_ptr mdl_array_ptr;
+typedef struct mdl_vert mdl_vert;
+typedef struct mdl_transform mdl_transform;
+typedef struct mdl_submesh mdl_submesh;
+typedef struct mdl_material mdl_material;
+typedef struct mdl_bone mdl_bone;
+typedef struct mdl_armature mdl_armature;
+typedef struct mdl_animation mdl_animation;
+typedef struct mdl_transform mdl_keyframe;
+typedef struct mdl_mesh mdl_mesh;
+typedef struct mdl_file mdl_file;
+typedef struct mdl_texture mdl_texture;
+typedef struct mdl_array mdl_array;
+typedef struct mdl_header mdl_header;
+typedef struct glmesh glmesh;
struct glmesh
{
GLuint vao, vbo, ebo;
u32 indice_count;
+ u32 loaded;
};
-static void mesh_upload( glmesh *mesh,
- mdl_vert *verts, u32 vert_count,
- u32 *indices, u32 indice_count )
+struct mdl_transform
{
- glGenVertexArrays( 1, &mesh->vao );
- glGenBuffers( 1, &mesh->vbo );
- glGenBuffers( 1, &mesh->ebo );
- glBindVertexArray( mesh->vao );
-
- size_t stride = sizeof(mdl_vert);
-
- glBindBuffer( GL_ARRAY_BUFFER, mesh->vbo );
- glBufferData( GL_ARRAY_BUFFER, vert_count*stride, verts, GL_STATIC_DRAW );
-
- glBindVertexArray( mesh->vao );
- glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, mesh->ebo );
- glBufferData( GL_ELEMENT_ARRAY_BUFFER, indice_count*sizeof(u32),
- indices, GL_STATIC_DRAW );
-
- glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, stride, (void*)0 );
- glEnableVertexAttribArray( 0 );
-
- glVertexAttribPointer( 1, 3, GL_FLOAT, GL_FALSE,
- stride, (void *)offsetof(mdl_vert, norm) );
- glEnableVertexAttribArray( 1 );
-
- glVertexAttribPointer( 2, 4, GL_FLOAT, GL_FALSE,
- stride, (void *)offsetof(mdl_vert, colour) );
- glEnableVertexAttribArray( 2 );
-
- glVertexAttribPointer( 3, 2, GL_FLOAT, GL_FALSE,
- stride, (void *)offsetof(mdl_vert, uv) );
- glEnableVertexAttribArray( 3 );
-
- VG_CHECK_GL();
- mesh->indice_count = indice_count;
-}
+ v3f co, s;
+ v4f q;
+};
-static void mesh_bind( glmesh *mesh )
+static void transform_identity( mdl_transform *transform )
{
- glBindVertexArray( mesh->vao );
+ v3_zero( transform->co );
+ q_identity( transform->q );
+ v3_fill( transform->s, 1.0f );
}
-static void mesh_drawn( u32 start, u32 count )
+static void mdl_transform_vector( mdl_transform *transform, v3f vec, v3f dest )
{
- glDrawElements( GL_TRIANGLES, count, GL_UNSIGNED_INT,
- (void *)(start*sizeof(u32)) );
+ v3_mul( transform->s, vec, dest );
+ q_mulv( transform->q, dest, dest );
}
-static void mesh_draw( glmesh *mesh )
+static void mdl_transform_point( mdl_transform *transform, v3f co, v3f dest )
{
- mesh_drawn( 0, mesh->indice_count );
+ mdl_transform_vector( transform, co, dest );
+ v3_add( transform->co, dest, dest );
}
-static void mesh_free( glmesh *mesh )
+static void mdl_transform_mul( mdl_transform *a, mdl_transform *b,
+ mdl_transform *d )
{
- glDeleteVertexArrays( 1, &mesh->vao );
- glDeleteBuffers( 1, &mesh->ebo );
- glDeleteBuffers( 1, &mesh->vbo );
+ mdl_transform_point( a, b->co, d->co );
+ q_mul( a->q, b->q, d->q );
+ q_normalize( d->q );
+ v3_mul( a->s, b->s, d->s );
}
-
-/*
- * Model implementation
- */
-
-static mdl_header *mdl_load( const char *path )
+struct mdl_material
{
- i64 size;
- mdl_header *header = vg_asset_read_s( path, &size );
-
- /*
- * Check file is valid
- */
- if( !header )
- {
- vg_error( "Could not open '%s'\n", path );
- return NULL;
- }
+ u32 pstr_name,
+ shader,
+ flags,
+ surface_prop;
- if( size < sizeof(mdl_header) )
- {
- free( header );
- vg_error( "Invalid file '%s' (too small for header)\n", path );
- return NULL;
- }
+ v4f colour,
+ colour1;
- if( header->file_length != size )
- {
- vg_error( "Invalid file '%s'"
- "(wrong .file_length, %ub != real file size %ub)\n",
- path, header->file_length, size );
- free( header );
- return NULL;
- }
-
- /*
- * Validate offsets and memory sections, to ensure all arrays are in-bounds,
- * and that they do not overlap.
- */
-
- struct memregion
- {
- const char *desc;
- u32 count, max_count, size, offset;
- }
- regions[] = {
- {
- "Vertices",
- header->vertex_count, MDL_VERT_MAX,
- sizeof(mdl_vert), header->vertex_offset
- },
- {
- "Indices",
- header->indice_count, MDL_INDICE_MAX,
- sizeof(u32), header->indice_offset
- },
- {
- "Submesh",
- header->submesh_count, MDL_SUBMESH_MAX,
- sizeof(mdl_submesh), header->submesh_offset
- },
- {
- "Materials",
- header->material_count, MDL_MATERIAL_MAX,
- sizeof(mdl_material), header->material_offset
- },
- {
- "Nodes",
- header->node_count, MDL_NODE_MAX,
- sizeof(mdl_node), header->node_count
- }
- };
-
- for( int i=0; i<vg_list_size(regions); i++ )
- {
- struct memregion *ri = ®ions[i];
-
- if( ri->count == 0 )
- continue;
-
- if( ri->count > ri->max_count )
- {
- free( header );
- vg_error( "'%s': '%s' buffer exceeds the maximum (%u/%u)\n",
- path, ri->desc, ri->count, ri->max_count );
- return NULL;
- }
-
- if( ri->offset >= header->file_length )
- {
- free( header );
- vg_error( "'%s': '%s' buffer offset is out of range\n",
- path, ri->desc );
- return NULL;
- }
-
- if( ri->offset + ri->size*ri->count > header->file_length )
- {
- free( header );
- vg_error( "'%s': '%s' buffer size is out of range\n",
- path, ri->desc );
- return NULL;
- }
-
- for( int j=0; j<vg_list_size(regions); j++ )
- {
- struct memregion *rj = ®ions[j];
- if( rj->count == 0 )
- continue;
-
- if( ri->offset >= rj->offset &&
- (ri->offset+ri->size*ri->count < rj->offset+rj->size*rj->count))
- {
- free( header );
- vg_error( "'%s': '%s' buffer overlaps '%s'\n",
- path, ri->desc, rj->desc );
- return NULL;
- }
- }
- }
-
- /*
- * Pointer validation TODO(workshop)
- */
+ u32 tex_diffuse, /* Indexes start from 1. 0 if missing. */
+ tex_none0,
+ tex_none1;
+};
- /*
- * strings TODO(workshop)
- */
+struct mdl_bone
+{
+ v3f co, end;
+ u32 parent,
+ collider,
+ ik_target,
+ ik_pole,
+ flags,
+ pstr_name;
- return header;
-}
+ boxf hitbox;
+ v3f conevx, conevy, coneva;
+ float conet;
+};
-static void *mdl_baseptr( mdl_header *mdl, u32 offset )
+enum bone_flag
{
- return (void *)mdl + offset;
-}
+ k_bone_flag_deform = 0x00000001,
+ k_bone_flag_ik = 0x00000002,
+ k_bone_flag_cone_constraint = 0x00000004
+};
-static const char *mdl_pstr( mdl_header *mdl, u32 pstr )
+enum bone_collider
{
- return (const char *)(mdl_baseptr( mdl, mdl->strings_offset )) + pstr;
-}
-
-static mdl_node *mdl_node_from_id( mdl_header *mdl, u32 id )
+ k_bone_collider_none = 0,
+ k_bone_collider_box = 1,
+ k_bone_collider_capsule = 2
+};
+
+struct mdl_armature
{
- return ((mdl_node *)mdl_baseptr( mdl, mdl->node_offset )) + id;
-}
+ mdl_transform transform;
+ u32 bone_start,
+ bone_count,
+ anim_start,
+ anim_count;
+};
-static mdl_node *mdl_node_from_name( mdl_header *mdl, const char *name )
+struct mdl_animation
{
- for( int i=0; i<mdl->node_count; i++ )
- {
- mdl_node *pnode = mdl_node_from_id( mdl, i );
-
- if( !strcmp( name, mdl_pstr( mdl, pnode->pstr_name )) )
- return pnode;
- }
-
- return NULL;
-}
+ u32 pstr_name,
+ length;
+ float rate;
+ u32 offset;
+};
-static mdl_submesh *mdl_submesh_from_id( mdl_header *mdl, u32 id )
+struct mdl_submesh
{
- if( id >= mdl->submesh_count )
- return NULL;
+ u32 indice_start,
+ indice_count,
+ vertex_start,
+ vertex_count;
- return ((mdl_submesh *)mdl_baseptr( mdl, mdl->submesh_offset )) + id;
-}
+ boxf bbx;
+ u16 material_id, flags;
+};
-static mdl_submesh *mdl_node_submesh( mdl_header *mdl, mdl_node *node, u32 i )
+enum esubmesh_flags
{
- if( i >= node->submesh_count )
- return NULL;
-
- return mdl_submesh_from_id( mdl, node->submesh_start+i );
-}
+ k_submesh_flag_none = 0x0000,
+ k_submesh_flag_consumed = 0x0001
+};
-static u32 *mdl_submesh_indices( mdl_header *mdl, mdl_submesh *sm )
+struct mdl_mesh
{
- return ((u32 *)mdl_baseptr( mdl, mdl->indice_offset )) + sm->indice_start;
-}
+ mdl_transform transform;
+ u32 submesh_start,
+ submesh_count,
+ pstr_name,
+ entity_id, /* upper 16 bits: type, lower 16 bits: index */
+ armature_id;
+};
-static mdl_vert *mdl_submesh_vertices( mdl_header *mdl, mdl_submesh *sm )
+struct mdl_file
{
- return ((mdl_vert *)mdl_baseptr(mdl,mdl->vertex_offset)) + sm->vertex_start;
-}
+ u32 pstr_path,
+ pack_offset,
+ pack_size;
+};
-static mdl_material *mdl_material_from_id( mdl_header *mdl, u32 id )
+struct mdl_texture
{
- return ((mdl_material *)mdl_baseptr(mdl,mdl->material_offset)) + id;
-}
+ mdl_file file;
+ u32 glname;
+};
-static void mdl_node_transform( mdl_node *pnode, m4x3f transform )
+struct mdl_array
{
- q_m3x3( pnode->q, transform );
- v3_muls( transform[0], pnode->s[0], transform[0] );
- v3_muls( transform[1], pnode->s[1], transform[1] );
- v3_muls( transform[2], pnode->s[2], transform[2] );
- v3_copy( pnode->co, transform[3] );
-}
+ u32 file_offset,
+ item_count,
+ item_size;
-static void mdl_unpack_submesh( mdl_header *mdl, glmesh *mesh, mdl_submesh *sm )
-{
- mesh_upload( mesh, mdl_submesh_vertices( mdl, sm ), sm->vertex_count,
- mdl_submesh_indices( mdl, sm ), sm->indice_count );
-}
+ char name[16];
+};
-static void mdl_unpack_glmesh( mdl_header *mdl, glmesh *mesh )
+struct mdl_header
{
- u32 offset = mdl_submesh_from_id( mdl, 0 )->vertex_count;
+ u32 version;
+ mdl_array index;
+};
+
+struct mdl_context{
+ FILE *file;
+ mdl_header info;
- for( int i=1; i< mdl->submesh_count; i++ )
+ struct mdl_array_ptr
{
- mdl_submesh *sm = mdl_submesh_from_id( mdl, i );
- u32 *indices = mdl_submesh_indices( mdl, sm );
+ void *data;
+ u32 count, stride;
+ }
+ index,
+
+ /* metadata */
+ strings,
+ meshs,
+ submeshs,
+ materials,
+ textures,
+ armatures,
+ bones,
+ animations,
+
+ /* animation buffers */
+ keyframes,
+
+ /* mesh buffers */
+ verts,
+ indices;
+ u32 pack_base_offset;
+
+ /* runtime */
+ glmesh mesh;
+};
- for( u32 j=0; j<sm->indice_count; j++ )
- indices[j] += offset;
+void mesh_bind( glmesh *mesh );
+void mesh_drawn( u32 start, u32 count );
+void mesh_draw( glmesh *mesh );
+void mesh_free( glmesh *mesh );
- offset += sm->vertex_count;
- }
+/* file context management */
+void mdl_open( mdl_context *mdl, const char *path, void *lin_alloc );
+void mdl_close( mdl_context *mdl );
- mdl_vert *vertex_base = mdl_baseptr( mdl, mdl->vertex_offset );
- u32 *indice_base = mdl_baseptr( mdl, mdl->indice_offset );
+/* array loading */
+int _mdl_load_array( mdl_context *mdl, mdl_array_ptr *ptr,
+ const char *name, void *lin_alloc, u32 stride );
+#define MDL_LOAD_ARRAY( MDL, PTR, STRUCT, ALLOCATOR ) \
+ _mdl_load_array( MDL, PTR, #STRUCT, ALLOCATOR, sizeof(STRUCT) )
- mesh_upload( mesh, vertex_base, mdl->vertex_count,
- indice_base, mdl->indice_count );
-}
+/* array access */
+void *mdl_arritm( mdl_array_ptr *arr, u32 index );
+u32 mdl_arrcount( mdl_array_ptr *arr );
-static void mdl_draw_submesh( mdl_submesh *sm )
-{
- mesh_drawn( sm->indice_start, sm->indice_count );
-}
+/* pack access */
+void mdl_fread_pack_file( mdl_context *mdl, mdl_file *info, void *dst );
-static void *mdl_get_entdata( mdl_header *mdl, mdl_node *pnode )
-{
- return mdl_baseptr( mdl, mdl->entdata_offset ) + pnode->offset;
-}
+/* standard array groups */
+int mdl_load_animation_block( mdl_context *mdl, void *lin_alloc );
+int mdl_load_metadata_block( mdl_context *mdl, void *lin_alloc );
+int mdl_load_mesh_block( mdl_context *mdl, void *lin_alloc );
+
+/* load mesh */
+void mdl_async_load_glmesh( mdl_context *mdl, glmesh *mesh, u32 *fixup_table );
+
+/* load textures and mesh */
+void mdl_async_full_load_std( mdl_context *mdl );
+
+/* rendering */
+void mdl_draw_submesh( mdl_submesh *sm );
+mdl_mesh *mdl_find_mesh( mdl_context *mdl, const char *name );
+
+/* pstrs */
+const char *mdl_pstr( mdl_context *mdl, u32 pstr );
+int mdl_pstreq( mdl_context *mdl, u32 pstr, const char *str, u32 djb2 );
+#define MDL_CONST_PSTREQ( MDL, Q, CONSTSTR )\
+ mdl_pstreq( MDL, Q, CONSTSTR, vg_strdjb2( CONSTSTR ) )
+void mdl_transform_m4x3( mdl_transform *transform, m4x3f mtx );
-#endif
projects / carveJwlIkooP6JGAAIwe30JlM.git / blobdiff