+/*
+ * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
#ifndef MODEL_H
#define MODEL_H
typedef struct mdl_material mdl_material;
typedef struct mdl_node mdl_node;
typedef struct mdl_header mdl_header;
+typedef struct mdl_animation mdl_animation;
+typedef struct mdl_keyframe mdl_keyframe;
#define MDL_SIZE_MAX 0x1000000
#define MDL_VERT_MAX 1000000
#define MDL_SUBMESH_MAX 8000
#define MDL_STRING_LENGTH_MAX 64
+enum classtype
+{
+ k_classtype_none = 0,
+ k_classtype_gate = 1,
+ k_classtype_block = 2,
+ k_classtype_spawn = 3,
+ k_classtype_water = 4,
+ k_classtype_car_path = 5,
+ k_classtype_instance = 6,
+ k_classtype_capsule = 7,
+ k_classtype_route_node = 8,
+ k_classtype_route = 9,
+ k_classtype_bone = 10,
+ k_classtype_skeleton = 11,
+ k_classtype_skin = 12,
+ k_classtype_achievement_box = 13,
+ k_classtype_audio = 14
+};
+
+
#pragma pack(push,1)
struct mdl_vert
{
v3f co,
norm;
- v4f colour;
v2f uv;
+ u8 colour[4];
+ u16 weights[4];
+ u8 groups[4];
};
struct mdl_submesh
v3f s;
union{ u32 submesh_start, sub_uid; };
+
u32
submesh_count,
classtype,
offset,
+ parent,
pstr_name;
};
+struct mdl_keyframe
+{
+ v3f co;
+ v4f q;
+ v3f s;
+};
+
+struct mdl_animation
+{
+ u32 pstr_name,
+ length;
+
+ float rate;
+
+ u32 offset;
+};
+
struct mdl_header
{
u32 identifier, version, file_length;
submesh_count, submesh_offset,
material_count, material_offset,
node_count, node_offset,
- strings_offset, entdata_offset;
+ anim_count, anim_offset,
+ strings_offset, entdata_offset, animdata_offset;
};
/*
struct classtype_route
{
- u32 pstr_name;
u32 id_start;
+ v3f colour;
+};
+
+struct classtype_bone
+{
+ u32 deform,
+ ik_target,
+ ik_pole,
+ collider,
+ use_limits;
+
+ v3f angle_limits[2];
+ boxf hitbox;
+};
+
+struct classtype_skeleton
+{
+ u32 channels,
+ ik_count,
+ collider_count,
+ anim_start,
+ anim_count;
+};
+
+struct classtype_skin
+{
+ u32 skeleton;
+};
+
+struct classtype_achievement_box
+{
+ u32 pstr_name,
+ trigger;
+};
+
+struct classtype_audio
+{
+ u32 pstr_file,
+ flags;
+
+ float volume;
};
#pragma pack(pop)
{
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 )
+ mdl_vert *verts, u32 vert_count,
+ u32 *indices, u32 indice_count )
{
+ //assert( mesh->loaded == 0 );
+
glGenVertexArrays( 1, &mesh->vao );
glGenBuffers( 1, &mesh->vbo );
glGenBuffers( 1, &mesh->ebo );
glBufferData( GL_ELEMENT_ARRAY_BUFFER, indice_count*sizeof(u32),
indices, GL_STATIC_DRAW );
+ /* 0: coordinates */
glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, stride, (void*)0 );
glEnableVertexAttribArray( 0 );
+ /* 1: normal */
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) );
+ /* 2: uv */
+ glVertexAttribPointer( 2, 2, GL_FLOAT, GL_FALSE,
+ stride, (void *)offsetof(mdl_vert, uv) );
glEnableVertexAttribArray( 2 );
- glVertexAttribPointer( 3, 2, GL_FLOAT, GL_FALSE,
- stride, (void *)offsetof(mdl_vert, uv) );
+ /* 3: colour */
+ glVertexAttribPointer( 3, 4, GL_UNSIGNED_BYTE, GL_TRUE,
+ stride, (void *)offsetof(mdl_vert, colour) );
glEnableVertexAttribArray( 3 );
-
- VG_CHECK_GL();
+
+ /* 4: weights */
+ glVertexAttribPointer( 4, 4, GL_UNSIGNED_SHORT, GL_TRUE,
+ stride, (void *)offsetof(mdl_vert, weights) );
+ glEnableVertexAttribArray( 4 );
+
+ /* 5: groups */
+ glVertexAttribIPointer( 5, 4, GL_UNSIGNED_BYTE,
+ stride, (void *)offsetof(mdl_vert, groups) );
+ glEnableVertexAttribArray( 5 );
+
+ VG_CHECK_GL_ERR();
+
mesh->indice_count = indice_count;
+ mesh->loaded = 1;
}
static void mesh_bind( glmesh *mesh )
static void mesh_free( glmesh *mesh )
{
- glDeleteVertexArrays( 1, &mesh->vao );
- glDeleteBuffers( 1, &mesh->ebo );
- glDeleteBuffers( 1, &mesh->vbo );
+ if( mesh->loaded )
+ {
+ glDeleteVertexArrays( 1, &mesh->vao );
+ glDeleteBuffers( 1, &mesh->ebo );
+ glDeleteBuffers( 1, &mesh->vbo );
+ }
}
if( size < sizeof(mdl_header) )
{
- free( header );
+ vg_free( header );
vg_error( "Invalid file '%s' (too small for header)\n", path );
return NULL;
}
vg_error( "Invalid file '%s'"
"(wrong .file_length, %ub != real file size %ub)\n",
path, header->file_length, size );
- free( header );
+ vg_free( header );
return NULL;
}
if( ri->count > ri->max_count )
{
- free( header );
+ vg_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_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_free( header );
vg_error( "'%s': '%s' buffer size is out of range\n",
path, ri->desc );
return NULL;
if( ri->offset >= rj->offset &&
(ri->offset+ri->size*ri->count < rj->offset+rj->size*rj->count))
{
- free( header );
+ vg_free( header );
vg_error( "'%s': '%s' buffer overlaps '%s'\n",
path, ri->desc, rj->desc );
return NULL;
return ((mdl_material *)mdl_baseptr(mdl,mdl->material_offset)) + id;
}
+static mdl_animation *mdl_animation_from_id( mdl_header *mdl, u32 id )
+{
+ return ((mdl_animation *)mdl_baseptr(mdl,mdl->anim_offset)) + id;
+}
+
static void mdl_node_transform( mdl_node *pnode, m4x3f transform )
{
q_m3x3( pnode->q, transform );
return mdl_baseptr( mdl, mdl->entdata_offset ) + pnode->offset;
}
+static mdl_keyframe *mdl_get_animdata( mdl_header *mdl, mdl_animation *anim )
+{
+ return mdl_baseptr( mdl, mdl->animdata_offset ) + anim->offset;
+}
+
static void mdl_link_materials( mdl_header *root, mdl_header *child )
{
u32 lookup[MDL_MATERIAL_MAX];