+/*
+ * Copyright (C) 2021-2022 Mt.ZERO Software, Harry Godden - All Rights Reserved
+ */
+
#ifndef MODEL_H
#define MODEL_H
-#include "vg/vg.h"
+#include "common.h"
-typedef struct model model;
typedef struct glmesh glmesh;
-typedef struct submodel submodel;
-typedef struct model_vert model_vert;
-typedef struct model_marker model_marker;
-typedef struct sdf_primative sdf_primative;
-typedef enum esdf_type esdf_type;
+
+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_file_header mdl_file_header;
+typedef struct mdl_animation mdl_animation;
+typedef struct mdl_keyframe mdl_keyframe;
+typedef struct mdl_texture mdl_texture;
+typedef struct mdl_context mdl_context;
+
+#define MDL_SIZE_MAX 0x1000000
+#define MDL_VERT_MAX 1000000
+#define MDL_INDICE_MAX 1000000
+#define MDL_MATERIAL_MAX 32
+#define MDL_NODE_MAX 4000
+#define MDL_SUBMESH_MAX 8000
+#define MDL_STRING_LENGTH_MAX 64
+
+enum classtype
+{
+ k_classtype_none = 0,
+ k_classtype_gate = 1,
+ k_classtype_spawn = 3,
+ k_classtype_water = 4,
+ k_classtype_route_node = 8,
+ k_classtype_route = 9,
+ k_classtype_bone = 10,
+ k_classtype_skeleton = 11,
+ k_classtype_skin = 12,
+ k_classtype_audio = 14,
+ k_classtype_trigger = 100,
+ k_classtype_logic_achievement = 101,
+ k_classtype_logic_relay = 102
+};
+
+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
+};
+
+enum mdl_surface_prop
+{
+ k_surface_prop_concrete = 0,
+ k_surface_prop_wood = 1,
+ k_surface_prop_grass = 2
+};
+
+enum material_flag
+{
+ k_material_flag_skate_surface = 0x1,
+ k_material_flag_collision = 0x2,
+ k_material_flag_grow_grass = 0x4,
+ k_material_flag_grind_surface = 0x8
+};
+
+enum bone_flag
+{
+ k_bone_flag_deform = 0x1,
+ k_bone_flag_ik = 0x2,
+ k_bone_flag_collider_box = 0x4,
+ k_bone_flag_collider_capsule = 0x8,
+ k_bone_flag_collider_reserved0 = 0x10,
+ k_bone_flag_collider_reserved1 = 0x20,
+ k_bone_flag_collider_reserved2 = 0x40,
+ k_bone_flag_collider_reserved3 = 0x80,
+ k_bone_flag_collider_any = k_bone_flag_collider_box |
+ k_bone_flag_collider_capsule |
+ k_bone_flag_collider_reserved0 |
+ k_bone_flag_collider_reserved1 |
+ k_bone_flag_collider_reserved2 |
+ k_bone_flag_collider_reserved3,
+ k_bone_flag_cone_constraint = 0x100,
+ k_bone_flag_force_u32 = 0xffffffff
+};
#pragma pack(push,1)
-struct model
+
+/* 48 byte */
+struct mdl_vert
{
- u32 identifier;
+ v3f co, /* 3*32 */
+ norm; /* 3*32 */
+ v2f uv; /* 2*32 */
- u32 vertex_count,
- indice_count,
- layer_count,
- marker_count;
+ u8 colour[4]; /* 4*8 */
+ u16 weights[4];/* 4*16 */
+ u8 groups[4]; /* 4*8 */
};
-struct submodel
+struct mdl_submesh
{
u32 indice_start,
indice_count,
vertex_count;
boxf bbx;
- v3f pivot; /* same as co? */
- v4f q;
- char name[32];
- char material[32];
+ u32 material_id;
};
-struct classtype_gate
+struct mdl_texture
{
- u32 target;
+ u32 pstr_name,
+ pack_offset,
+ pack_length;
+};
+
+struct mdl_material
+{
+ u32 pstr_name,
+ shader,
+ flags,
+ surface_prop;
+
+ v4f colour,
+ colour1;
+
+ u32 tex_diffuse,
+ tex_decal,
+ tex_normal;
+};
+
+struct mdl_node
+{
+ v3f co;
+ v4f q;
+ v3f s;
+
+ u32 sub_uid, /* allocated in-file... too bad. */
+ submesh_start,
+ submesh_count,
+ classtype,
+ offset,
+ parent,
+ pstr_name;
};
-struct model_marker
+struct mdl_keyframe
{
v3f co;
v4f q;
v3f s;
- u32 classtype;
+};
+
+struct mdl_animation
+{
+ u32 pstr_name,
+ length;
+
+ float rate;
+
u32 offset;
- char name[32];
};
-struct model_vert
+struct mdl_file_header
{
- v3f co,
- norm;
- v4f colour;
- v2f uv;
+ u32 identifier, version, file_length, pad0;
+
+ u32
+ node_count, node_offset,
+ submesh_count, submesh_offset,
+ material_count, material_offset,
+ texture_count, texture_offset,
+ anim_count, anim_offset,
+ entdata_size, entdata_offset,
+ strings_size, strings_offset,
+
+ keyframe_count, keyframe_offset,
+
+ vertex_count, vertex_offset,
+ indice_count, indice_offset,
+
+ pack_size, pack_offset;
};
+
+/*
+ * Entity data structures
+ */
+
+struct classtype_gate
+{
+ u32 target;
+ v3f dims;
+};
+
+struct classtype_spawn
+{
+ u32 pstr_alias;
+};
+
+struct classtype_water
+{
+ u32 temp;
+};
+
+struct classtype_route_node
+{
+ u32 target, target1;
+};
+
+struct classtype_route
+{
+ u32 id_start;
+ u32 pstr_name;
+ v3f colour;
+};
+
+struct classtype_bone
+{
+ u32 flags,
+ ik_target,
+ ik_pole;
+
+ boxf hitbox;
+
+ v3f conevx, conevy, coneva;
+ float conet;
+};
+
+struct classtype_skeleton
+{
+ u32 channels,
+ ik_count,
+ collider_count,
+ anim_start,
+ anim_count;
+};
+
+struct classtype_skin
+{
+ u32 skeleton;
+};
+
+struct classtype_trigger
+{
+ u32 target;
+};
+
+struct classtype_logic_relay
+{
+ u32 targets[4];
+};
+
+struct classtype_logic_achievement
+{
+ u32 pstr_name;
+};
+
+struct classtype_audio
+{
+ u32 pstr_file,
+ flags;
+
+ float volume;
+};
+
#pragma pack(pop)
+
+struct mdl_context
+{
+ FILE *file;
+ mdl_file_header info;
+
+ /* each buffer becomes availible after each _load function is called */
+ mdl_node *node_buffer; /* mdl_load_metadata() */
+ mdl_submesh *submesh_buffer;
+ mdl_material *material_buffer;
+ mdl_texture *texture_buffer;
+ mdl_animation *anim_buffer;
+ void *entdata_buffer;
+ const char *string_buffer;
+
+ mdl_keyframe *keyframe_buffer; /* mdl_load_anim_data() */
+
+ mdl_vert *vertex_buffer; /* mdl_load_mesh_data() */
+ u32 *index_buffer;
+
+ void *pack; /* mdl_load_pack_data() */
+};
+
+/*
+ * Simple mesh interface for OpenGL
+ */
+
struct glmesh
{
GLuint vao, vbo, ebo;
u32 indice_count;
+ u32 loaded;
};
-static void mesh_upload( glmesh *mesh,
- model_vert *verts, u32 vert_count,
- u32 *indices, u32 indice_count )
+VG_STATIC void mesh_upload( glmesh *mesh,
+ 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 );
glBindVertexArray( mesh->vao );
+ size_t stride = sizeof(mdl_vert);
+
glBindBuffer( GL_ARRAY_BUFFER, mesh->vbo );
- glBufferData( GL_ARRAY_BUFFER, vert_count*sizeof(model_vert),
- verts, GL_STATIC_DRAW );
+ 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,
- sizeof(model_vert), (void*)0 );
+ /* 0: coordinates */
+ glVertexAttribPointer( 0, 3, GL_FLOAT, GL_FALSE, stride, (void*)0 );
glEnableVertexAttribArray( 0 );
+ /* 1: normal */
glVertexAttribPointer( 1, 3, GL_FLOAT, GL_FALSE,
- sizeof(model_vert), (void *)offsetof(model_vert, norm) );
+ stride, (void *)offsetof(mdl_vert, norm) );
glEnableVertexAttribArray( 1 );
- glVertexAttribPointer( 2, 4, GL_FLOAT, GL_FALSE,
- sizeof(model_vert), (void *)offsetof(model_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,
- sizeof(model_vert), (void *)offsetof(model_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 )
+VG_STATIC void mesh_bind( glmesh *mesh )
{
glBindVertexArray( mesh->vao );
}
-static void mesh_drawn( u32 start, u32 count )
+VG_STATIC void mesh_drawn( u32 start, u32 count )
{
glDrawElements( GL_TRIANGLES, count, GL_UNSIGNED_INT,
(void *)(start*sizeof(u32)) );
}
-static void mesh_draw( glmesh *mesh )
+VG_STATIC void mesh_draw( glmesh *mesh )
{
mesh_drawn( 0, mesh->indice_count );
}
+VG_STATIC void mesh_free( glmesh *mesh )
+{
+ if( mesh->loaded )
+ {
+ glDeleteVertexArrays( 1, &mesh->vao );
+ glDeleteBuffers( 1, &mesh->ebo );
+ glDeleteBuffers( 1, &mesh->vbo );
+ mesh->loaded = 0;
+ }
+}
+
+VG_STATIC void mdl_load_fatal_corrupt( mdl_context *mdl )
+{
+ fclose( mdl->file );
+ vg_file_print_invalid( mdl->file );
+ vg_fatal_exit_loop( "Corrupt model" );
+}
+
+/*
+ * Model implementation
+ *
+ * TODO.
+ *
+ * you have two api options for loading a model, first, the easy way:
+ * mdl_load ...
+ * will put the entire model straight into the linear_alloc
+ *
+ * or, to target different allocators:
+ *
+ * mdl_open
+ * mdl_load_metadata
+ * mdl_load_vertex_data
+ * mdl_load_indice_data
+ * mdl_close
+ *
+ * these should ideally be called in quick succession to limit stalls.
+ */
+
/*
- * Helper functions for file offsets
- * TODO: Revise this
+ * if calling mdl_open, and the file does not exist, the game will fatal quit
*/
-static submodel *model_get_submodel( model *mdl, int id )
+VG_STATIC void mdl_open( mdl_context *mdl, const char *path )
{
- return ((submodel*)(mdl+1)) + id;
+ memset( mdl, 0, sizeof( mdl_context ) );
+ mdl->file = fopen( path, "rb" );
+
+ if( !mdl->file )
+ {
+ vg_error( "mdl_open('%s'): %s\n", path, strerror(errno) );
+ vg_fatal_exit_loop( "see above for details" );
+ }
+
+ u64 l = fread( &mdl->info, sizeof(mdl_file_header), 1, mdl->file );
+ if( l != 1 )
+ mdl_load_fatal_corrupt( mdl );
+}
+
+/*
+ * Load all metadata (everything up until the large buffers). Probs at most 50k
+ */
+VG_STATIC void mdl_load_metadata( mdl_context *mdl, void *lin_alloc )
+{
+ assert( mdl->file );
+
+ u64 lheader = sizeof(mdl_file_header),
+ ldata = mdl->info.keyframe_offset - lheader;
+
+ void *all_data = vg_linear_alloc( lin_alloc, ldata );
+
+ fseek( mdl->file, lheader, SEEK_SET );
+ u64 l = fread( all_data, ldata, 1, mdl->file );
+
+ if( l != 1 )
+ {
+ vg_file_print_invalid( mdl->file );
+ vg_fatal_exit_loop( "Corrupt model" );
+ }
+
+ mdl->node_buffer = all_data + (mdl->info.node_offset - lheader);
+ mdl->submesh_buffer = all_data + (mdl->info.submesh_offset - lheader);
+ mdl->material_buffer = all_data + (mdl->info.material_offset - lheader);
+ mdl->texture_buffer = all_data + (mdl->info.texture_offset - lheader);
+ mdl->anim_buffer = all_data + (mdl->info.anim_offset - lheader);
+ mdl->entdata_buffer = all_data + (mdl->info.entdata_offset - lheader);
+ mdl->string_buffer = all_data + (mdl->info.strings_offset - lheader);
+}
+
+/*
+ * Load just the mesh data
+ */
+VG_STATIC void mdl_load_mesh_data( mdl_context *mdl, void *lin_alloc )
+{
+ assert( mdl->file );
+
+ u64 size_verts = vg_align8( mdl->info.vertex_count * sizeof(mdl_vert) ),
+ size_index = vg_align8( mdl->info.indice_count * sizeof(u32) );
+
+ mdl->vertex_buffer = vg_linear_alloc( lin_alloc, size_verts );
+ mdl->index_buffer = vg_linear_alloc( lin_alloc, size_index );
+
+ {
+ fseek( mdl->file, mdl->info.vertex_offset, SEEK_SET );
+ u64 l = fread( mdl->vertex_buffer, size_verts, 1, mdl->file );
+ if( l != 1 )
+ mdl_load_fatal_corrupt( mdl );
+ }
+ {
+ fseek( mdl->file, mdl->info.indice_offset, SEEK_SET );
+ u64 l = fread( mdl->index_buffer, size_index, 1, mdl->file );
+ if( l != 1 )
+ mdl_load_fatal_corrupt( mdl );
+ }
}
-static model_marker *model_get_marker( model *mdl, int id )
+/*
+ * Load animation data
+ */
+VG_STATIC void mdl_load_anim_data( mdl_context *mdl, void *lin_alloc )
{
- return ((model_marker*)model_get_submodel(mdl,mdl->layer_count)) + id;
+ assert( mdl->file );
+
+ if( mdl->info.keyframe_count == 0 )
+ return;
+
+ u64 size_kf = vg_align8( mdl->info.keyframe_count * sizeof(mdl_keyframe) );
+ mdl->keyframe_buffer = vg_linear_alloc( lin_alloc, size_kf );
+
+ fseek( mdl->file, mdl->info.keyframe_offset, SEEK_SET );
+ u64 l = fread( mdl->keyframe_buffer, size_kf, 1, mdl->file );
+ if( l != 1 )
+ mdl_load_fatal_corrupt( mdl );
}
-static model_vert *model_vertex_base( model *mdl )
+/*
+ * Load pack contents
+ *
+ * TODO request specific files (low)
+ */
+VG_STATIC void mdl_load_pack_data( mdl_context *mdl, void *lin_alloc )
{
- return (model_vert *)model_get_marker( mdl, mdl->marker_count );
+ assert( mdl->file );
+
+ if( mdl->info.pack_size == 0 )
+ return;
+
+ mdl->pack = vg_linear_alloc( lin_alloc, vg_align8( mdl->info.pack_size ) );
+ fseek( mdl->file, mdl->info.pack_offset, SEEK_SET );
+
+ u64 l = fread( mdl->pack, mdl->info.pack_size, 1, mdl->file );
+ if( l != 1 )
+ mdl_load_fatal_corrupt( mdl );
}
-static u32 *model_indice_base( model *mdl )
+/*
+ * close file handle
+ */
+VG_STATIC void mdl_close( mdl_context *mdl )
{
- return (u32 *)(model_vertex_base( mdl ) + mdl->vertex_count);
+ fclose( mdl->file );
+ mdl->file = NULL;
}
-static model_vert *submodel_vert_data( model *mdl, submodel *sub )
+/* open a model. TODO: make this flags ( ANIM_DATA|MESH_DATA ... ) */
+VG_STATIC mdl_context *mdl_load_full( void *lin_alloc, const char *path )
{
- return model_vertex_base(mdl) + sub->vertex_start;
+ /* Inspect the header by opening it, give us the size needed */
+ mdl_context temp_ctx;
+ mdl_open( &temp_ctx, path );
+
+ /* create allocator */
+ u32 tot_size = temp_ctx.info.file_length + sizeof( mdl_context ) + 64;
+ void *data = vg_create_linear_allocator( lin_alloc, tot_size,
+ VG_MEMORY_SYSTEM );
+
+ /* copy context and load all other data */
+ mdl_context *ctx = vg_linear_alloc( data, sizeof(mdl_context) );
+ memcpy( ctx, &temp_ctx, sizeof(mdl_context) );
+
+ mdl_load_metadata( ctx, data );
+ mdl_load_anim_data( ctx, data );
+ mdl_load_mesh_data( ctx, data );
+ mdl_load_pack_data( ctx, data );
+ mdl_close( ctx );
+
+ return ctx;
}
-static u32 *submodel_indice_data( model *mdl, submodel *sub )
+/*
+ * Item getters
+ * ----------------------------------------------------------------------------
+ * TODO: Clamp access and oob errors
+ */
+VG_STATIC const char *mdl_pstr( mdl_context *mdl, u32 pstr )
{
- return model_indice_base(mdl) + sub->indice_start;
+ return mdl->string_buffer + pstr;
}
-static void *get_entdata_raw( model *mdl, model_marker *marker )
+VG_STATIC mdl_node *mdl_node_from_id( mdl_context *mdl, u32 id )
{
- return ((void *)(model_indice_base(mdl) + mdl->indice_count)) +
- marker->offset;
+ return &mdl->node_buffer[id];
}
-static submodel *submodel_get( model *mdl, const char *name )
+VG_STATIC mdl_node *mdl_node_from_name( mdl_context *mdl, const char *name )
{
- for( int i=0; i<mdl->layer_count; i++ )
+ for( int i=0; i < mdl->info.node_count; i++ )
{
- submodel *pmdl =model_get_submodel(mdl,i);
-
- if( !strcmp( pmdl->name, name ) )
- return pmdl;
+ mdl_node *pnode = mdl_node_from_id( mdl, i );
+
+ if( !strcmp( name, mdl_pstr( mdl, pnode->pstr_name )) )
+ return pnode;
}
return NULL;
}
-static model_marker *model_marker_get( model *mdl, const char *name )
+VG_STATIC mdl_submesh *mdl_node_submesh( mdl_context *mdl,
+ mdl_node *node, u32 i )
{
- for( int i=0; i<mdl->marker_count; i++ )
- {
- model_marker *mk = model_get_marker( mdl,i );
+ return &mdl->submesh_buffer[ node->submesh_start+i ];
+}
- if( !strcmp( mk->name, name ) )
- return mk;
- }
-
- return NULL;
+VG_STATIC u32 *mdl_submesh_indices( mdl_context *mdl, mdl_submesh *sm )
+{
+ return &mdl->index_buffer[ sm->indice_start ];
}
-static void submodel_draw( submodel *sm )
+VG_STATIC mdl_vert *mdl_submesh_vertices( mdl_context *mdl, mdl_submesh *sm )
{
- mesh_drawn( sm->indice_start, sm->indice_count );
+ return &mdl->vertex_buffer[ sm->vertex_start ];
}
-static void model_unpack_submodel( model *model, glmesh *mesh, submodel *sm )
+VG_STATIC void mdl_node_transform( mdl_node *pnode, m4x3f transform )
{
- mesh_upload( mesh,
- model_vertex_base( model ) + sm->vertex_start, sm->vertex_count,
- model_indice_base( model ) + sm->indice_start, sm->indice_count );
+ 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] );
}
-static void model_unpack( model *model, glmesh *mesh )
+/* upload a mesh based on file submesh */
+VG_STATIC void mdl_unpack_submesh( mdl_context *mdl, glmesh *mesh,
+ mdl_submesh *sm )
{
- u32 offset = model_get_submodel( model, 0 )->vertex_count;
+ mesh_upload( mesh, mdl_submesh_vertices( mdl, sm ), sm->vertex_count,
+ mdl_submesh_indices( mdl, sm ), sm->indice_count );
+}
- for( int i=1; i<model->layer_count; i++ )
+/* upload entire mesh from model */
+VG_STATIC void mdl_unpack_glmesh( mdl_context *mdl, glmesh *mesh )
+{
+ u32 offset = mdl->submesh_buffer[0].vertex_count;
+
+ for( int i=1; i< mdl->info.submesh_count; i++ )
{
- submodel *sm = model_get_submodel( model, i );
- u32 *indices = submodel_indice_data( model, sm );
+ mdl_submesh *sm = &mdl->submesh_buffer[i];
+ u32 *indices = mdl_submesh_indices( mdl, sm );
for( u32 j=0; j<sm->indice_count; j++ )
indices[j] += offset;
offset += sm->vertex_count;
}
- mesh_upload( mesh, model_vertex_base( model ), model->vertex_count,
- model_indice_base( model ), model->indice_count );
+ mesh_upload( mesh, mdl->vertex_buffer, mdl->info.vertex_count,
+ mdl->index_buffer, mdl->info.indice_count );
+}
+
+VG_STATIC void mdl_draw_submesh( mdl_submesh *sm )
+{
+ mesh_drawn( sm->indice_start, sm->indice_count );
+}
+
+VG_STATIC void *mdl_get_entdata( mdl_context *mdl, mdl_node *pnode )
+{
+ return mdl->entdata_buffer + pnode->offset;
+}
+
+VG_STATIC mdl_keyframe *mdl_get_animdata( mdl_context *mdl, mdl_animation *anim )
+{
+ return mdl->keyframe_buffer + anim->offset;
}
-static void mesh_free( glmesh *mesh )
+VG_STATIC void mdl_link_materials( mdl_context *root, mdl_context *child )
{
- glDeleteVertexArrays( 1, &mesh->vao );
- glDeleteBuffers( 1, &mesh->ebo );
- glDeleteBuffers( 1, &mesh->vbo );
+ u32 lookup[MDL_MATERIAL_MAX];
+
+ for( int i=0; i<child->info.material_count; i++ )
+ {
+ mdl_material *mi = &child->material_buffer[i];
+ const char *si = mdl_pstr( child, mi->pstr_name );
+
+ lookup[i] = 0;
+
+ for( int j=0; j<root->info.material_count; j++ )
+ {
+ mdl_material *mj = &root->material_buffer[j];
+ const char *sj = mdl_pstr( root, mj->pstr_name );
+
+ if( !strcmp( si, sj ) )
+ {
+ lookup[i] = j;
+ break;
+ }
+ }
+
+ if( lookup[i] == 0 && i != 0 )
+ {
+ vg_warn( "Could not link material '%s' (not present in root model)\n",
+ si );
+ }
+ }
+
+ for( int i=0; i<child->info.submesh_count; i++ )
+ {
+ mdl_submesh *sm = &child->submesh_buffer[i];
+ sm->material_id = lookup[sm->material_id];
+ }
+}
+
+VG_STATIC void mdl_invert_uv_coordinates( mdl_context *mdl )
+{
+ for( int i=0; i<mdl->info.vertex_count; i++ )
+ {
+ mdl_vert *vert = &mdl->vertex_buffer[i];
+ vert->uv[1] = 1.0f-vert->uv[1];
+ }
}
#endif
projects / carveJwlIkooP6JGAAIwe30JlM.git / blobdiff