cropping
authorhgn <hgodden00@gmail.com>
Sun, 11 Jul 2021 03:55:05 +0000 (04:55 +0100)
committerhgn <hgodden00@gmail.com>
Sun, 11 Jul 2021 03:55:05 +0000 (04:55 +0100)
csRadar.c
csrDraw.h
csrMath.h
csrTypes.h
vmdl.h
vmf.h

index 909a645b5ebe00db26268a61709155a3d62c5c9d..43b9c0eff82b6ccbd6ebcf53320127007f5ee242 100644 (file)
--- a/csRadar.c
+++ b/csRadar.c
@@ -40,7 +40,7 @@ int main( int argc, char *argv[] )
                
                csr_target target;
                
-               csr_create_target( &target, 1024, 1024, (v4f){ -1000.f, -1000.f, 1000.f, 1000.f } );
+               csr_create_target( &target, 1024, 1024 );
                csr_rt_clear( &target );
                
                csr_filter filter_layout =
@@ -55,7 +55,17 @@ int main( int argc, char *argv[] )
                        .visgroup = NULL
                };
                
-               draw_vmf_group( &target, map, map->root, &filter_buyzone, NULL, NULL );
+               csr_filter filter_setup = 
+               {
+                       .classname = NULL,
+                       .visgroup = NULL,
+                       .compute_bounds_only = 1
+               };
+               
+               draw_vmf_group( &target, map, map->root, &filter_setup, NULL, NULL );
+               csr_auto_fit( &target, 128.f );
+               
+               draw_vmf_group( &target, map, map->root, NULL, NULL, NULL );
                
                float *rgba_test = (float *)csr_malloc( 1024*1024*sizeof(float)*3 );
                
index b6e17caf8d2f1377469056c5064f695f16eaab82..955ea3080b6cf1e3024838e21b63289ac4d7664b 100644 (file)
--- a/csrDraw.h
+++ b/csrDraw.h
@@ -15,21 +15,25 @@ struct csr_target
 {
        csr_frag *fragments;
        u32 x, y; 
-       v4f bounds;
+       boxf bounds;
+       float scale;
 };
 
 struct csr_filter
 {
        const char *visgroup;           // Limit to this visgroup only
        const char *classname;          // Limit to this exact classname. will not draw world
+       
+       int compute_bounds_only;
 };
 
-void csr_create_target( csr_target *rt, u32 x, u32 y, v4f bounds )
+void csr_create_target( csr_target *rt, u32 x, u32 y )
 {
        rt->x = x;
        rt->y = y;
        rt->fragments = (csr_frag *)csr_malloc( x*y*sizeof(csr_frag) );
-       v4_copy( bounds, rt->bounds );
+       v3_fill( rt->bounds[0], INFINITY );
+       v3_fill( rt->bounds[1], -INFINITY );
 }
 
 void csr_rt_free( csr_target *rt )
@@ -45,6 +49,27 @@ void csr_rt_clear( csr_target *rt )
        }
 }
 
+void csr_auto_fit( csr_target *rt, float padding )
+{
+       // Correct aspect ratio to be square
+       float dx, dy, d, l, cx, cy;
+       dx = rt->bounds[1][0] - rt->bounds[0][0];
+       dy = rt->bounds[1][1] - rt->bounds[0][1];
+       
+       l = fmaxf( dx, dy );
+       d = l * ( l / dx ) * .5f;
+               
+       cx = (rt->bounds[1][0] + rt->bounds[0][0]) * .5f;
+       cy = (rt->bounds[1][1] + rt->bounds[0][1]) * .5f;
+
+       rt->bounds[0][0] = cx - d - padding;
+       rt->bounds[1][0] = cx + d + padding;
+       rt->bounds[0][1] = cy - d - padding;
+       rt->bounds[1][1] = cy + d + padding;
+       
+       rt->scale = d + padding;
+}
+
 void simple_raster( csr_target *rt, vmf_vert tri[3], int id )
 {
        // Very simplified tracing algorithm
@@ -59,26 +84,26 @@ void simple_raster( csr_target *rt, vmf_vert tri[3], int id )
        v2_maxv( tri[0].co, tri[1].co, bmax );
        v2_maxv( tri[2].co, bmax, bmax );
 
-       float range_x = (rt->bounds[2]-rt->bounds[0])/(float)rt->x;
-       float range_y = (rt->bounds[3]-rt->bounds[1])/(float)rt->y;
+       float range_x = (rt->bounds[1][0]-rt->bounds[0][0])/(float)rt->x;
+       float range_y = (rt->bounds[1][1]-rt->bounds[0][1])/(float)rt->y;
        
-       int start_x = csr_min( rt->x-1, csr_max( 0,     floorf( (bmin[0]-rt->bounds[0])/range_x)));
-       int end_x =   csr_max( 0,       csr_min( rt->x-1, floorf( (bmax[0]-rt->bounds[0])/range_x )));
-       int start_y = csr_min( rt->y-1, csr_max( 0,      ceilf( (bmin[1]-rt->bounds[1])/range_y )));
-       int end_y =   csr_max( 0,       csr_min( rt->y-1,  ceilf( (bmax[1]-rt->bounds[1])/range_y )));
+       int start_x = csr_min( rt->x-1, csr_max( 0,     floorf( (bmin[0]-rt->bounds[0][0])/range_x)));
+       int end_x =   csr_max( 0,       csr_min( rt->x-1, floorf( (bmax[0]-rt->bounds[0][0])/range_x )));
+       int start_y = csr_min( rt->y-1, csr_max( 0,      ceilf( (bmin[1]-rt->bounds[0][1])/range_y )));
+       int end_y =   csr_max( 0,       csr_min( rt->y-1,  ceilf( (bmax[1]-rt->bounds[0][1])/range_y )));
        
        v3f trace_dir = { 0.f, 0.f, 1.f };
        v3f trace_origin = { 0.f, 0.f, -16385.f };
 
        for( u32 py = start_y; py <= end_y; py ++ )
        {
-               trace_origin[1] = csr_lerpf( rt->bounds[1], rt->bounds[3], (float)py/(float)rt->y );
+               trace_origin[1] = csr_lerpf( rt->bounds[0][1], rt->bounds[1][1], (float)py/(float)rt->y );
                
                for( u32 px = start_x; px <= end_x; px ++ )
                {
                        csr_frag *frag = &rt->fragments[ py * rt->y + px ];
 
-                       trace_origin[0] = csr_lerpf( rt->bounds[0], rt->bounds[2], (float)px/(float)rt->x );
+                       trace_origin[0] = csr_lerpf( rt->bounds[0][0], rt->bounds[1][0], (float)px/(float)rt->x );
                        float tdepth = csr_ray_tri( trace_origin, trace_dir, tri[0].co, tri[1].co, tri[2].co, &tqa, &tqb );
                        
                        if( tdepth > frag->depth )
@@ -123,9 +148,10 @@ void draw_vmf_group( csr_target *rt, vmf_map *map, vdf_node *root, csr_filter *f
        vmf_solid solid;
        vmf_vert tri[3];
        vdf_node *ent_solid;
+       boxf trf_bounds;
 
        u32 group_id = 0;
-       int filter_visgroups = 0, filter_classname = 0;
+       int filter_visgroups = 0, filter_classname = 0, compute_bounds_only = 0;
        
        if( filter )
        {
@@ -139,6 +165,8 @@ void draw_vmf_group( csr_target *rt, vmf_map *map, vdf_node *root, csr_filter *f
                {
                        filter_classname = 1;
                }
+               
+               compute_bounds_only = filter->compute_bounds_only;
        }
        
        // Multiply previous transform with instance transform to create basis
@@ -185,17 +213,29 @@ void draw_vmf_group( csr_target *rt, vmf_map *map, vdf_node *root, csr_filter *f
                        
                        // Draw model
                        mdl_mesh_t *mdl = &map->models[ ent->user1 ].mdl;
-                       for( int i = 0; i < mdl->num_indices/3; i ++ )
+                       
+                       if( compute_bounds_only )
+                       {
+                               box_copy( mdl->bounds, trf_bounds );
+                               m4x3_transform_aabb( model, trf_bounds );
+                               
+                               // Join
+                               //box_concat( rt->bounds, trf_bounds );
+                       }
+                       else
                        {
-                               for( int j = 0; j < 3; j ++ )
+                               for( int i = 0; i < mdl->num_indices/3; i ++ )
                                {
-                                       v3_copy( &mdl->vertices[ mdl->indices[ i*3+j ] *8 ],   tri[j].co );
-                                       v3_copy( &mdl->vertices[ mdl->indices[ i*3+j ] *8+3 ], tri[j].nrm );
-                                       tri[j].xy[0] = 0.f;
-                                       tri[j].xy[1] = 0.f;
+                                       for( int j = 0; j < 3; j ++ )
+                                       {
+                                               v3_copy( &mdl->vertices[ mdl->indices[ i*3+j ] *8 ],   tri[j].co );
+                                               v3_copy( &mdl->vertices[ mdl->indices[ i*3+j ] *8+3 ], tri[j].nrm );
+                                               tri[j].xy[0] = 0.f;
+                                               tri[j].xy[1] = 0.f;
+                                       }
+                                       
+                                       csr_draw( rt, tri, 1, model );
                                }
-                               
-                               csr_draw( rt, tri, 1, model );
                        }
                } 
                else if( ent->user & VMF_FLAG_IS_INSTANCE )
@@ -215,18 +255,31 @@ void draw_vmf_group( csr_target *rt, vmf_map *map, vdf_node *root, csr_filter *f
                }
        }
        
-       // Draw brushes
-       for( int i = 0; i < csr_sb_count( solid.indices )/3; i ++ )
+       if( compute_bounds_only )
        {
-               u32 * base = solid.indices + i*3;
-               
-               tri[0] = solid.verts[ base[0] ];
-               tri[1] = solid.verts[ base[1] ];
-               tri[2] = solid.verts[ base[2] ];
-               
-               csr_draw( rt, tri, 1, transform );
+               solidgen_bounds( &solid, trf_bounds );
+               m4x3_transform_aabb( transform, trf_bounds );
+               box_concat( rt->bounds, trf_bounds );
+       }
+       else
+       {
+               // Draw brushes
+               for( int i = 0; i < csr_sb_count( solid.indices )/3; i ++ )
+               {
+                       u32 * base = solid.indices + i*3;
+                       
+                       tri[0] = solid.verts[ base[0] ];
+                       tri[1] = solid.verts[ base[1] ];
+                       tri[2] = solid.verts[ base[2] ];
+                       
+                       csr_draw( rt, tri, 1, transform );
+               }       
        }
        
        solidgen_ctx_reset( &solid );
        solidgen_ctx_free( &solid );
+       
+       printf( "Bounds resolved to: (%.3f, %.3f, %.3f) -> (%.3f, %.3f, %.3f)\n", 
+               rt->bounds[0][0],rt->bounds[0][1],rt->bounds[0][2],
+               rt->bounds[1][0],rt->bounds[1][1],rt->bounds[1][2] );
 }
index d9a414f1b372ba651977c3622d92ccacbada39eb..fae268daf0e2bf3e09784cec494018698b1aba5a 100644 (file)
--- a/csrMath.h
+++ b/csrMath.h
@@ -360,6 +360,45 @@ void m4x3_rotate_z( m4x3f m, float angle )
        m4x3_mul( m, t, m );
 }
 
+// Warning: These functions are unoptimized..
+void m4x3_expand_aabb_point( m4x3f m, boxf box, v3f point )
+{
+       v3f v;
+       m4x3_mulv( m, point, v );
+
+       v3_minv( box[0], v, box[0] );
+       v3_maxv( box[1], v, box[1] );
+}
+
+void box_concat( boxf a, boxf b )
+{
+       v3_minv( a[0], b[0], a[0] );
+       v3_maxv( a[1], b[1], a[1] );
+}
+
+void box_copy( boxf a, boxf b )
+{
+       v3_copy( a[0], b[0] );
+       v3_copy( a[1], b[1] );
+}
+
+void m4x3_transform_aabb( m4x3f m, boxf box )
+{
+       v3f a; v3f b;
+       
+       v3_copy( box[0], a );
+       v3_copy( box[1], b );
+
+       m4x3_expand_aabb_point( m, box, a );
+       m4x3_expand_aabb_point( m, box, (v3f){ a[0], b[1], a[2] } );
+       m4x3_expand_aabb_point( m, box, (v3f){ b[0], a[1], a[2] } );
+       m4x3_expand_aabb_point( m, box, (v3f){ b[0], b[1], a[2] } );
+       m4x3_expand_aabb_point( m, box, b );
+       m4x3_expand_aabb_point( m, box, (v3f){ a[0], b[1], b[2] } );
+       m4x3_expand_aabb_point( m, box, (v3f){ b[0], a[1], b[2] } );
+       m4x3_expand_aabb_point( m, box, (v3f){ b[0], b[1], b[2] } );
+}
+
 // Planes (double precision)
 // ==================================================================================================================
 
index 3aafcba51bbcd35cb8f5a54586d77eed1ac5f596..aec727efbd915cc55823310189adba82dbb26da6 100644 (file)
@@ -14,3 +14,4 @@ typedef float         v3f[3];
 typedef float          v4f[4];
 typedef v3f                    m3x3f[3];
 typedef v3f                    m4x3f[4];
+typedef v3f                    boxf[2];
diff --git a/vmdl.h b/vmdl.h
index c56266a4f29524c81b889357ba3871c9fdec87db..59d6acbe8c5288e16858063bd6ee5ed5464fda1c 100644 (file)
--- a/vmdl.h
+++ b/vmdl.h
@@ -461,8 +461,8 @@ typedef struct
        float *vertices;
        u32     num_vertices;
        
-       v3f mins;
-       v3f maxs;
+       // Bounding box
+       boxf bounds;
 } 
 mdl_mesh_t;
 
@@ -523,6 +523,9 @@ int mdl_from_find_files( const char *mdlname, mdl_mesh_t *ctx )
                return 0;
        }
        
+       v3_copy( pMdl->view_bbmin, ctx->bounds[0] );
+       v3_copy( pMdl->view_bbmax, ctx->bounds[1] );
+       
        ctx->num_indices = vtx_count_indices( pVtxHdr );
 
        // Allocate and read indices
diff --git a/vmf.h b/vmf.h
index ea91d17ed7e78e59cb180c2f88eca79aea522266..d2bbbd214dd21b85c74a2edf2f429481f28a67d1 100644 (file)
--- a/vmf.h
+++ b/vmf.h
@@ -101,27 +101,20 @@ void solidgen_ctx_free( vmf_solid *ctx )
 }
 
 // Compute bounds of solid gen ctx
-void solidgen_bounds( vmf_solid *ctx, u32 start, u32 end, v3f min, v3f max )
+void solidgen_bounds( vmf_solid *ctx, boxf box )
 {
        v3f mine = { INFINITY, INFINITY, INFINITY };
        v3f maxe = {-INFINITY,-INFINITY,-INFINITY };
 
-       for( int i = start; i < end; i ++ )
+       for( int i = 0; i < csr_sb_count( ctx->verts ); i ++ )
        {
                vmf_vert *vert = ctx->verts + i;
-               float *co = vert->co;
-               
-               mine[0] = fminf( mine[0], co[0] );
-               mine[1] = fminf( mine[1], co[1] );
-               mine[2] = fminf( mine[2], co[2] );
-               
-               maxe[0] = fmaxf( maxe[0], co[0] );
-               maxe[1] = fmaxf( maxe[1], co[1] );
-               maxe[2] = fmaxf( maxe[2], co[2] );
+               v3_minv( mine, vert->co, mine );
+               v3_maxv( maxe, vert->co, maxe );
        }
        
-       v3_copy( mine, min );
-       v3_copy( maxe, max );
+       v3_copy( mine, box[0] );
+       v3_copy( maxe, box[1] );
 }
 
 struct