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RN_RecastDebugDraw.pas
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RN_RecastDebugDraw.pas
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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
{$POINTERMATH ON}
unit RN_RecastDebugDraw;
interface
uses Math, RN_Helper, RN_Recast, RN_DebugDraw;
procedure duDebugDrawTriMesh(dd: TduDebugDraw; const verts: PSingle; nverts: Integer; const tris: PInteger; const normals: PSingle; ntris: Integer; const flags: PByte; const texScale: Single);
procedure duDebugDrawTriMeshSlope(dd: TduDebugDraw; const verts: PSingle; nverts: Integer; const tris: PInteger; const normals: PSingle; ntris: Integer; const walkableSlopeAngle: Single; const texScale: Single);
procedure duDebugDrawHeightfieldSolid(dd: TduDebugDraw; const hf: PrcHeightfield);
procedure duDebugDrawHeightfieldWalkable(dd: TduDebugDraw; const hf: PrcHeightfield);
procedure duDebugDrawCompactHeightfieldSolid(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
procedure duDebugDrawCompactHeightfieldRegions(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
procedure duDebugDrawCompactHeightfieldDistance(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
{procedure duDebugDrawHeightfieldLayer(duDebugDraw* dd, const struct rcHeightfieldLayer& layer, const int idx);
procedure duDebugDrawHeightfieldLayers(duDebugDraw* dd, const struct rcHeightfieldLayerSet& lset);
procedure duDebugDrawHeightfieldLayersRegions(duDebugDraw* dd, const struct rcHeightfieldLayerSet& lset);}
procedure duDebugDrawRegionConnections(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
procedure duDebugDrawRawContours(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
procedure duDebugDrawContours(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
procedure duDebugDrawPolyMesh(dd: TduDebugDraw; const mesh: PrcPolyMesh);
procedure duDebugDrawPolyMeshDetail(dd: TduDebugDraw; const dmesh: PrcPolyMeshDetail);
implementation
procedure duDebugDrawTriMesh(dd: TduDebugDraw; const verts: PSingle; nverts: Integer;
const tris: PInteger; const normals: PSingle; ntris: Integer;
const flags: PByte; const texScale: Single);
var uva,uvb,uvc: array [0..1] of Single; unwalkable,color: Cardinal; i: Integer; norm,va,vb,vc: PSingle; a: Byte;
ax,ay: Integer;
begin
if (dd = nil) then Exit;
if (verts = nil) then Exit;
if (tris = nil) then Exit;
if (normals = nil) then Exit;
unwalkable := duRGBA(192,128,0,255);
dd.texture(true);
dd.&begin(DU_DRAW_TRIS);
for i := 0 to ntris - 1 do
begin
norm := @normals[i*3];
a := Byte(Trunc(220*(2+norm[0]+norm[1])/4));
if (flags <> nil) and (not flags[i] <> 0) then
color := duLerpCol(duRGBA(a,a,a,255), unwalkable, 64)
else
color := duRGBA(a,a,a,255);
va := @verts[tris[i*3+0]*3];
vb := @verts[tris[i*3+1]*3];
vc := @verts[tris[i*3+2]*3];
ax := 0; ay := 0;
if (Abs(norm[1]) > Abs(norm[ax])) then
ax := 1;
if (Abs(norm[2]) > Abs(norm[ax])) then
ax := 2;
ax := (1 shl ax) and 3; // +1 mod 3
ay := (1 shl ax) and 3; // +1 mod 3
uva[0] := va[ax]*texScale;
uva[1] := va[ay]*texScale;
uvb[0] := vb[ax]*texScale;
uvb[1] := vb[ay]*texScale;
uvc[0] := vc[ax]*texScale;
uvc[1] := vc[ay]*texScale;
dd.vertex(va, color, @uva[0]);
dd.vertex(vb, color, @uvb[0]);
dd.vertex(vc, color, @uvc[0]);
end;
dd.&end();
dd.texture(false);
end;
procedure duDebugDrawTriMeshSlope(dd: TduDebugDraw; const verts: PSingle; nverts: Integer; const tris: PInteger; const normals: PSingle; ntris: Integer; const walkableSlopeAngle: Single; const texScale: Single);
//var walkableThr: Single; uva,uvb,uvc: array [0..1] of Single; unwalkable,color: Cardinal; i: Integer; norm,va,vb,vc: PSingle; a: Byte;
//ax,ay: Integer;
begin
//Delphi: Not sure why, but this mode blackens everything way too much
{if (dd = nil) then Exit;
if (verts = nil) then Exit;
if (tris = nil) then Exit;
if (normals = nil) then Exit;
walkableThr := cos(walkableSlopeAngle/180.0*PI);
dd.texture(true);
unwalkable := duRGBA(192,128,0,255);
dd.&begin(DU_DRAW_TRIS);
for i := 0 to ntris - 1 do
begin
norm := @normals[i*3];
a := Byte(Trunc(220*(2+norm[0]+norm[1])/4));
if (norm[1] < walkableThr) then
color := duLerpCol(duRGBA(a,a,a,255), unwalkable, 64)
else
color := duRGBA(a,a,a,255);
va := @verts[tris[i*3+0]*3];
vb := @verts[tris[i*3+1]*3];
vc := @verts[tris[i*3+2]*3];
ax := 0; ay := 0;
if (Abs(norm[1]) > Abs(norm[ax])) then
ax := 1;
if (Abs(norm[2]) > Abs(norm[ax])) then
ax := 2;
ax := (1 shl ax) and 3; // +1 mod 3
ay := (1 shl ax) and 3; // +1 mod 3
uva[0] := va[ax]*texScale;
uva[1] := va[ay]*texScale;
uvb[0] := vb[ax]*texScale;
uvb[1] := vb[ay]*texScale;
uvc[0] := vc[ax]*texScale;
uvc[1] := vc[ay]*texScale;
dd.vertex(va, color, @uva);
dd.vertex(vb, color, @uvb);
dd.vertex(vc, color, @uvc);
end;
dd.&end();
dd.texture(false);}
end;
procedure duDebugDrawHeightfieldSolid(dd: TduDebugDraw; const hf: PrcHeightfield);
var orig: PSingle; cs,ch: Single; w,h: Integer; fcol: array [0..5] of Cardinal; x,y: Integer; fx,fz: Single; s: PrcSpan;
begin
if (dd = nil) then Exit;
orig := @hf.bmin[0];
cs := hf.cs;
ch := hf.ch;
w := hf.width;
h := hf.height;
//unsigned int fcol[6];
duCalcBoxColors(fcol, duRGBA(255,255,255,255), duRGBA(255,255,255,255));
dd.&begin(DU_DRAW_QUADS);
for y := 0 to h - 1 do
begin
for x := 0 to w - 1 do
begin
fx := orig[0] + x*cs;
fz := orig[2] + y*cs;
s := hf.spans[x + y*w];
while (s <> nil) do
begin
duAppendBox(dd, fx, orig[1]+s.smin*ch, fz, fx+cs, orig[1] + s.smax*ch, fz+cs, @fcol[0]);
s := s.next;
end;
end;
end;
dd.&end();
end;
procedure duDebugDrawHeightfieldWalkable(dd: TduDebugDraw; const hf: PrcHeightfield);
var orig: PSingle; cs,ch: Single; w,h: Integer; fcol: array [0..5] of Cardinal; x,y: Integer; fx,fz: Single; s: PrcSpan;
begin
if (dd = nil) then Exit;
orig := @hf.bmin[0];
cs := hf.cs;
ch := hf.ch;
w := hf.width;
h := hf.height;
//unsigned int fcol[6];
duCalcBoxColors(fcol, duRGBA(255,255,255,255), duRGBA(217,217,217,255));
dd.&begin(DU_DRAW_QUADS);
for y := 0 to h - 1 do
begin
for x := 0 to w - 1 do
begin
fx := orig[0] + x*cs;
fz := orig[2] + y*cs;
s := hf.spans[x + y*w];
while (s <> nil) do
begin
if (s.area = RC_WALKABLE_AREA) then
fcol[0] := duRGBA(64,128,160,255)
else if (s.area = RC_NULL_AREA) then
fcol[0] := duRGBA(64,64,64,255)
else
fcol[0] := duMultCol(duIntToCol(s.area, 255), 200);
duAppendBox(dd, fx, orig[1]+s.smin*ch, fz, fx+cs, orig[1] + s.smax*ch, fz+cs, @fcol[0]);
s := s.next;
end;
end;
end;
dd.&end();
end;
procedure duDebugDrawCompactHeightfieldSolid(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
var cs,ch: Single; x,y,i: Integer; fx,fy,fz: Single; c: PrcCompactCell; s: PrcCompactSpan; color: Cardinal;
begin
if (dd = nil) then Exit;
cs := chf.cs;
ch := chf.ch;
dd.&begin(DU_DRAW_QUADS);
for y := 0 to chf.height - 1 do
begin
for x := 0 to chf.width - 1 do
begin
fx := chf.bmin[0] + x*cs;
fz := chf.bmin[2] + y*cs;
c := @chf.cells[x+y*chf.width];
for i := c.index to Integer(c.index+c.count) - 1 do
begin
s := @chf.spans[i];
if (chf.areas[i] = RC_WALKABLE_AREA) then
color := duRGBA(0,192,255,64)
else if (chf.areas[i] = RC_NULL_AREA) then
color := duRGBA(0,0,0,64)
else
color := duIntToCol(chf.areas[i], 255);
fy := chf.bmin[1] + (s.y+1)*ch;
dd.vertex(fx, fy, fz, color);
dd.vertex(fx, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz, color);
end;
end;
end;
dd.&end();
end;
procedure duDebugDrawCompactHeightfieldRegions(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
var cs,ch: Single; x,y,i: Integer; fx,fy,fz: Single; c: PrcCompactCell; s: PrcCompactSpan; color: Cardinal;
begin
if (dd = nil) then Exit;
cs := chf.cs;
ch := chf.ch;
dd.&begin(DU_DRAW_QUADS);
for y := 0 to chf.height - 1 do
begin
for x := 0 to chf.width - 1 do
begin
fx := chf.bmin[0] + x*cs;
fz := chf.bmin[2] + y*cs;
c := @chf.cells[x+y*chf.width];
for i := c.index to Integer(c.index+c.count) - 1 do
begin
s := @chf.spans[i];
fy := chf.bmin[1] + (s.y)*ch;
if (s.reg <> 0) then
color := duIntToCol(s.reg, 192)
else
color := duRGBA(0,0,0,64);
dd.vertex(fx, fy, fz, color);
dd.vertex(fx, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz, color);
end;
end;
end;
dd.&end();
end;
procedure duDebugDrawCompactHeightfieldDistance(dd: TduDebugDraw; const chf: PrcCompactHeightfield);
var cs,ch,maxd,dscale: Single; x,y,i: Integer; fx,fy,fz: Single; c: PrcCompactCell; s: PrcCompactSpan; cd: Byte; color: Cardinal;
begin
if (dd = nil) then Exit;
//if (!chf.dist) return;
cs := chf.cs;
ch := chf.ch;
maxd := chf.maxDistance;
if (maxd < 1.0) then maxd := 1;
dscale := 255.0 / maxd;
dd.&begin(DU_DRAW_QUADS);
for y := 0 to chf.height - 1 do
begin
for x := 0 to chf.width - 1 do
begin
fx := chf.bmin[0] + x*cs;
fz := chf.bmin[2] + y*cs;
c := @chf.cells[x+y*chf.width];
for i := c.index to Integer(c.index+c.count) - 1 do
begin
s := @chf.spans[i];
fy := chf.bmin[1] + (s.y+1)*ch;
cd := Trunc(chf.dist[i] * dscale);
color := duRGBA(cd,cd,cd,255);
dd.vertex(fx, fy, fz, color);
dd.vertex(fx, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz+cs, color);
dd.vertex(fx+cs, fy, fz, color);
end;
end;
end;
dd.&end();
end;
{procedure drawLayerPortals(duDebugDraw* dd, const rcHeightfieldLayer* layer)
begin
const float cs := layer.cs;
const float ch := layer.ch;
const int w := layer.width;
const int h := layer.height;
unsigned int pcol := duRGBA(255,255,255,255);
const int segs[4*4] := begin0,0,0,1, 0,1,1,1, 1,1,1,0, 1,0,0,0end;;
// Layer portals
dd.&begin(DU_DRAW_LINES, 2.0f);
for y := 0 to h - 1 do
begin
for x := 0 to w - 1 do
begin
const int idx := x+y*w;
const int lh := (int)layer.heights[idx];
if (lh == 255) continue;
for dir := 0 to 3 do
begin
if (layer.cons[idx] & (1<<(dir+4)))
begin
const int* seg := &segs[dir*4];
const float ax := layer.bmin[0] + (x+seg[0])*cs;
const float ay := layer.bmin[1] + (lh+2)*ch;
const float az := layer.bmin[2] + (y+seg[1])*cs;
const float bx := layer.bmin[0] + (x+seg[2])*cs;
const float by := layer.bmin[1] + (lh+2)*ch;
const float bz := layer.bmin[2] + (y+seg[3])*cs;
dd.vertex(ax, ay, az, pcol);
dd.vertex(bx, by, bz, pcol);
end;
end;
end;
end;
dd.&end();
end;
procedure duDebugDrawHeightfieldLayer(duDebugDraw* dd, const struct rcHeightfieldLayer& layer, const int idx)
begin
const float cs := layer.cs;
const float ch := layer.ch;
const int w := layer.width;
const int h := layer.height;
unsigned int color := duIntToCol(idx+1, 255);
// Layer bounds
float bmin[3], bmax[3];
bmin[0] := layer.bmin[0] + layer.minx*cs;
bmin[1] := layer.bmin[1];
bmin[2] := layer.bmin[2] + layer.miny*cs;
bmax[0] := layer.bmin[0] + (layer.maxx+1)*cs;
bmax[1] := layer.bmax[1];
bmax[2] := layer.bmin[2] + (layer.maxy+1)*cs;
duDebugDrawBoxWire(dd, bmin[0],bmin[1],bmin[2], bmax[0],bmax[1],bmax[2], duTransCol(color,128), 2.0f);
// Layer height
dd.&begin(DU_DRAW_QUADS);
for y := 0 to h - 1 do
begin
for x := 0 to w - 1 do
begin
const int lidx := x+y*w;
const int lh := (int)layer.heights[lidx];
if (h == 0xff) continue;
const unsigned char area := layer.areas[lidx];
unsigned int col;
if (area == RC_WALKABLE_AREA)
col := duLerpCol(color, duRGBA(0,192,255,64), 32);
else if (area == RC_NULL_AREA)
col := duLerpCol(color, duRGBA(0,0,0,64), 32);
else
col := duLerpCol(color, duIntToCol(area, 255), 32);
const float fx := layer.bmin[0] + x*cs;
const float fy := layer.bmin[1] + (lh+1)*ch;
const float fz := layer.bmin[2] + y*cs;
dd.vertex(fx, fy, fz, col);
dd.vertex(fx, fy, fz+cs, col);
dd.vertex(fx+cs, fy, fz+cs, col);
dd.vertex(fx+cs, fy, fz, col);
end;
end;
dd.&end();
// Portals
drawLayerPortals(dd, &layer);
end;
procedure duDebugDrawHeightfieldLayers(duDebugDraw* dd, const struct rcHeightfieldLayerSet& lset)
begin
if (!dd) return;
for (int i := 0; i < lset.nlayers; ++i)
duDebugDrawHeightfieldLayer(dd, lset.layers[i], i);
end;
/*
procedure duDebugDrawLayerContours(duDebugDraw* dd, const struct rcLayerContourSet& lcset)
begin
if (!dd) return;
const float* orig := lcset.bmin;
const float cs := lcset.cs;
const float ch := lcset.ch;
const unsigned char a := 255;// (unsigned char)(alpha*255.0f);
const int offs[2*4] := begin-1,0, 0,1, 1,0, 0,-1end;;
dd.&begin(DU_DRAW_LINES, 2.0f);
for (int i := 0; i < lcset.nconts; ++i)
begin
const rcLayerContour& c := lcset.conts[i];
unsigned int color := 0;
color := duIntToCol(i, a);
for (int j := 0; j < c.nverts; ++j)
begin
const int k := (j+1) % c.nverts;
const unsigned char* va := &c.verts[j*4];
const unsigned char* vb := &c.verts[k*4];
const float ax := orig[0] + va[0]*cs;
const float ay := orig[1] + (va[1]+1+(i&1))*ch;
const float az := orig[2] + va[2]*cs;
const float bx := orig[0] + vb[0]*cs;
const float by := orig[1] + (vb[1]+1+(i&1))*ch;
const float bz := orig[2] + vb[2]*cs;
unsigned int col := color;
if ((va[3] & 0xf) != 0xf)
begin
col := duRGBA(255,255,255,128);
int d := va[3] & 0xf;
const float cx := (ax+bx)*0.5f;
const float cy := (ay+by)*0.5f;
const float cz := (az+bz)*0.5f;
const float dx := cx + offs[d*2+0]*2*cs;
const float dy := cy;
const float dz := cz + offs[d*2+1]*2*cs;
dd.vertex(cx,cy,cz,duRGBA(255,0,0,255));
dd.vertex(dx,dy,dz,duRGBA(255,0,0,255));
end;
duAppendArrow(dd, ax,ay,az, bx,by,bz, 0.0f, cs*0.5f, col);
end;
end;
dd.&end();
dd.&begin(DU_DRAW_POINTS, 4.0f);
for (int i := 0; i < lcset.nconts; ++i)
begin
const rcLayerContour& c := lcset.conts[i];
unsigned int color := 0;
for (int j := 0; j < c.nverts; ++j)
begin
const unsigned char* va := &c.verts[j*4];
color := duDarkenCol(duIntToCol(i, a));
if (va[3] & 0x80)
color := duRGBA(255,0,0,255);
float fx := orig[0] + va[0]*cs;
float fy := orig[1] + (va[1]+1+(i&1))*ch;
float fz := orig[2] + va[2]*cs;
dd.vertex(fx,fy,fz, color);
end;
end;
dd.&end();
end;
procedure duDebugDrawLayerPolyMesh(duDebugDraw* dd, const struct rcLayerPolyMesh& lmesh)
begin
if (!dd) return;
const int nvp := lmesh.nvp;
const float cs := lmesh.cs;
const float ch := lmesh.ch;
const float* orig := lmesh.bmin;
const int offs[2*4] := begin-1,0, 0,1, 1,0, 0,-1end;;
dd.&begin(DU_DRAW_TRIS);
for (int i := 0; i < lmesh.npolys; ++i)
begin
const unsigned short* p := &lmesh.polys[i*nvp*2];
unsigned int color;
if (lmesh.areas[i] == RC_WALKABLE_AREA)
color := duRGBA(0,192,255,64);
else if (lmesh.areas[i] == RC_NULL_AREA)
color := duRGBA(0,0,0,64);
else
color := duIntToCol(lmesh.areas[i], 255);
unsigned short vi[3];
for (int j := 2; j < nvp; ++j)
begin
if (p[j] == RC_MESH_NULL_IDX) break;
vi[0] := p[0];
vi[1] := p[j-1];
vi[2] := p[j];
for (int k := 0; k < 3; ++k)
begin
const unsigned short* v := &lmesh.verts[vi[k]*3];
const float x := orig[0] + v[0]*cs;
const float y := orig[1] + (v[1]+1)*ch;
const float z := orig[2] + v[2]*cs;
dd.vertex(x,y,z, color);
end;
end;
end;
dd.&end();
// Draw neighbours edges
const unsigned int coln := duRGBA(0,48,64,32);
dd.&begin(DU_DRAW_LINES, 1.5f);
for (int i := 0; i < lmesh.npolys; ++i)
begin
const unsigned short* p := &lmesh.polys[i*nvp*2];
for j := 0 to nvp - 1 do
begin
if (p[j] == RC_MESH_NULL_IDX) break;
if (p[nvp+j] & 0x8000) continue;
const int nj := (j+1 >= nvp || p[j+1] == RC_MESH_NULL_IDX) ? 0 : j+1;
int vi[2] := beginp[j], p[nj]end;;
for (int k := 0; k < 2; ++k)
begin
const unsigned short* v := &lmesh.verts[vi[k]*3];
const float x := orig[0] + v[0]*cs;
const float y := orig[1] + (v[1]+1)*ch + 0.1f;
const float z := orig[2] + v[2]*cs;
dd.vertex(x, y, z, coln);
end;
end;
end;
dd.&end();
// Draw boundary edges
const unsigned int colb := duRGBA(0,48,64,220);
dd.&begin(DU_DRAW_LINES, 2.5f);
for (int i := 0; i < lmesh.npolys; ++i)
begin
const unsigned short* p := &lmesh.polys[i*nvp*2];
for j := 0 to nvp - 1 do
begin
if (p[j] == RC_MESH_NULL_IDX) break;
if ((p[nvp+j] & 0x8000) == 0) continue;
const int nj := (j+1 >= nvp || p[j+1] == RC_MESH_NULL_IDX) ? 0 : j+1;
int vi[2] := beginp[j], p[nj]end;;
unsigned int col := colb;
if ((p[nvp+j] & 0xf) != 0xf)
begin
const unsigned short* va := &lmesh.verts[vi[0]*3];
const unsigned short* vb := &lmesh.verts[vi[1]*3];
const float ax := orig[0] + va[0]*cs;
const float ay := orig[1] + (va[1]+1+(i&1))*ch;
const float az := orig[2] + va[2]*cs;
const float bx := orig[0] + vb[0]*cs;
const float by := orig[1] + (vb[1]+1+(i&1))*ch;
const float bz := orig[2] + vb[2]*cs;
const float cx := (ax+bx)*0.5f;
const float cy := (ay+by)*0.5f;
const float cz := (az+bz)*0.5f;
int d := p[nvp+j] & 0xf;
const float dx := cx + offs[d*2+0]*2*cs;
const float dy := cy;
const float dz := cz + offs[d*2+1]*2*cs;
dd.vertex(cx,cy,cz,duRGBA(255,0,0,255));
dd.vertex(dx,dy,dz,duRGBA(255,0,0,255));
col := duRGBA(255,255,255,128);
end;
for (int k := 0; k < 2; ++k)
begin
const unsigned short* v := &lmesh.verts[vi[k]*3];
const float x := orig[0] + v[0]*cs;
const float y := orig[1] + (v[1]+1)*ch + 0.1f;
const float z := orig[2] + v[2]*cs;
dd.vertex(x, y, z, col);
end;
end;
end;
dd.&end();
dd.&begin(DU_DRAW_POINTS, 3.0f);
const unsigned int colv := duRGBA(0,0,0,220);
for (int i := 0; i < lmesh.nverts; ++i)
begin
const unsigned short* v := &lmesh.verts[i*3];
const float x := orig[0] + v[0]*cs;
const float y := orig[1] + (v[1]+1)*ch + 0.1f;
const float z := orig[2] + v[2]*cs;
dd.vertex(x,y,z, colv);
end;
dd.&end();
end;
*/}
procedure getContourCenter(const cont: PrcContour; const orig: PSingle; cs,ch: Single; center: PSingle);
var i: Integer; v: PInteger; s: Single;
begin
center[0] := 0;
center[1] := 0;
center[2] := 0;
if (cont.nverts = 0) then
Exit;
for i := 0 to cont.nverts - 1 do
begin
v := @cont.verts[i*4];
center[0] := center[0] + v[0];
center[1] := center[1] + v[1];
center[2] := center[2] + v[2];
end;
s := 1.0 / cont.nverts;
center[0] := center[0] * s * cs;
center[1] := center[1] * s * ch;
center[2] := center[2] * s * cs;
center[0] := center[0] + orig[0];
center[1] := center[1] + orig[1] + 4*ch;
center[2] := center[2] + orig[2];
end;
function findContourFromSet(const cset: PrcContourSet; reg: Word): PrcContour;
var i: Integer;
begin
for i := 0 to cset.nconts - 1 do
begin
if (cset.conts[i].reg = reg) then
Exit(@cset.conts[i]);
end;
Result := nil;
end;
procedure duDebugDrawRegionConnections(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
var orig: PSingle; cs,ch: Single; pos,pos2: array [0..2] of Single; color: Cardinal; i,j: Integer; cont,cont2: PrcContour; v: PInteger;
a: Byte; col: Cardinal;
begin
if (dd = nil) then Exit;
orig := @cset.bmin[0];
cs := cset.cs;
ch := cset.ch;
// Draw centers
color := duRGBA(0,0,0,196);
dd.&begin(DU_DRAW_LINES, 2.0);
for i := 0 to cset.nconts - 1 do
begin
cont := @cset.conts[i];
getContourCenter(cont, orig, cs, ch, @pos[0]);
for j := 0 to cont.nverts - 1 do
begin
v := @cont.verts[j*4];
if (Word(v[3]) = 0) or (Word(v[3]) < cont.reg) then continue;
cont2 := findContourFromSet(cset, Word(v[3]));
if (cont2 <> nil) then
begin
getContourCenter(cont2, orig, cs, ch, @pos2[0]);
duAppendArc(dd, pos[0],pos[1],pos[2], pos2[0],pos2[1],pos2[2], 0.25, 0.6, 0.6, color);
end;
end;
end;
dd.&end();
a := Trunc(alpha * 255.0);
dd.&begin(DU_DRAW_POINTS, 7.0);
for i := 0 to cset.nconts - 1 do
begin
cont := @cset.conts[i];
col := duDarkenCol(duIntToCol(cont.reg,a));
getContourCenter(cont, orig, cs, ch, @pos[0]);
dd.vertex(@pos[0], col);
end;
dd.&end();
end;
procedure duDebugDrawRawContours(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
var orig: PSingle; cs,ch: Single; a: Byte; i,j: Integer; c: PrcContour; color,colv: Cardinal; v: PInteger; fx,fy,fz: Single;
off: Single;
begin
if (dd = nil) then Exit;
orig := @cset.bmin[0];
cs := cset.cs;
ch := cset.ch;
a := Trunc(alpha*255.0);
dd.&begin(DU_DRAW_LINES, 2.0);
for i := 0 to cset.nconts - 1 do
begin
c := @cset.conts[i];
color := duIntToCol(c.reg, a);
for j := 0 to c.nrverts - 1 do
begin
v := @c.rverts[j*4];
fx := orig[0] + v[0]*cs;
fy := orig[1] + (v[1]+1+(i and 1))*ch;
fz := orig[2] + v[2]*cs;
dd.vertex(fx,fy,fz,color);
if (j > 0) then
dd.vertex(fx,fy,fz,color);
end;
// Loop last segment.
v := @c.rverts[0];
fx := orig[0] + v[0]*cs;
fy := orig[1] + (v[1]+1+(i and 1))*ch;
fz := orig[2] + v[2]*cs;
dd.vertex(fx,fy,fz,color);
end;
dd.&end();
dd.&begin(DU_DRAW_POINTS, 2.0);
for i := 0 to cset.nconts - 1 do
begin
c := @cset.conts[i];
color := duDarkenCol(duIntToCol(c.reg, a));
for j := 0 to c.nrverts - 1 do
begin
v := @c.rverts[j*4];
off := 0;
colv := color;
if (v[3] and RC_BORDER_VERTEX) <> 0 then
begin
colv := duRGBA(255,255,255,a);
off := ch*2;
end;
fx := orig[0] + v[0]*cs;
fy := orig[1] + (v[1]+1+(i and 1))*ch + off;
fz := orig[2] + v[2]*cs;
dd.vertex(fx,fy,fz, colv);
end;
end;
dd.&end();
end;
procedure duDebugDrawContours(dd: TduDebugDraw; const cset: PrcContourSet; const alpha: Single = 1.0);
var orig: PSingle; cs,ch: Single; a: Byte; i,j,k: Integer; c: PrcContour; color,bcolor,col,colv: Cardinal; va,vb,v: PInteger; fx,fy,fz: Single;
off: Single;
begin
if (dd = nil) then Exit;
orig := @cset.bmin[0];
cs := cset.cs;
ch := cset.ch;
a := Trunc(alpha*255.0);
dd.&begin(DU_DRAW_LINES, 2.5);
for i := 0 to cset.nconts - 1 do
begin
c := @cset.conts[i];
if (c.nverts = 0) then
continue;
color := duIntToCol(c.reg, a);
bcolor := duLerpCol(color,duRGBA(255,255,255,a),128);
//for (int j := 0, k := c.nverts-1; j < c.nverts; k=j++)
j := 0;
k := c.nverts-1;
while (j < c.nverts) do
begin
va := @c.verts[k*4];
vb := @c.verts[j*4];
col := IfThen(va[3] and RC_AREA_BORDER <> 0, bcolor, color);
fx := orig[0] + va[0]*cs;
fy := orig[1] + (va[1]+1+(i and 1))*ch;
fz := orig[2] + va[2]*cs;
dd.vertex(fx,fy,fz, col);
fx := orig[0] + vb[0]*cs;
fy := orig[1] + (vb[1]+1+(i and 1))*ch;
fz := orig[2] + vb[2]*cs;
dd.vertex(fx,fy,fz, col);
k := j;
Inc(j);
end;
end;
dd.&end();
dd.&begin(DU_DRAW_POINTS, 3.0);
for i := 0 to cset.nconts - 1 do
begin
c := @cset.conts[i];
color := duDarkenCol(duIntToCol(c.reg, a));
for j := 0 to c.nverts - 1 do
begin
v := @c.verts[j*4];
off := 0;
colv := color;
if (v[3] and RC_BORDER_VERTEX) <> 0 then
begin
colv := duRGBA(255,255,255,a);
off := ch*2;
end;
fx := orig[0] + v[0]*cs;
fy := orig[1] + (v[1]+1+(i and 1))*ch + off;
fz := orig[2] + v[2]*cs;
dd.vertex(fx,fy,fz, colv);
end;
end;
dd.&end();
end;
procedure duDebugDrawPolyMesh(dd: TduDebugDraw; const mesh: PrcPolyMesh);
var nvp: Integer; cs,ch: Single; orig: PSingle; i,j,k: Integer; p,v: PWord; color,col,coln,colb,colv: Cardinal;
vi: array [0..2] of Word; x,y,z: Single; nj: Integer;
begin
if (dd = nil) then Exit;
nvp := mesh.nvp;
cs := mesh.cs;
ch := mesh.ch;
orig := @mesh.bmin[0];
dd.&begin(DU_DRAW_TRIS);
for i := 0 to mesh.npolys - 1 do
begin
p := @mesh.polys[i*nvp*2];
if (mesh.areas[i] = RC_WALKABLE_AREA) then
color := duRGBA(0,192,255,64)
else if (mesh.areas[i] = RC_NULL_AREA) then
color := duRGBA(0,0,0,64)
else
color := duIntToCol(mesh.areas[i], 255);
for j := 2 to nvp - 1 do
begin
if (p[j] = RC_MESH_NULL_IDX) then break;
vi[0] := p[0];
vi[1] := p[j-1];
vi[2] := p[j];
for k := 0 to 2 do
begin
v := @mesh.verts[vi[k]*3];
x := orig[0] + v[0]*cs;
y := orig[1] + (v[1]+1)*ch;
z := orig[2] + v[2]*cs;
dd.vertex(x,y,z, color);
end;
end;
end;
dd.&end();
// Draw neighbours edges
coln := duRGBA(0,48,64,32);
dd.&begin(DU_DRAW_LINES, 1.5);
for i := 0 to mesh.npolys - 1 do
begin
p := @mesh.polys[i*nvp*2];
for j := 0 to nvp - 1 do
begin
if (p[j] = RC_MESH_NULL_IDX) then break;
if (p[nvp+j] and $8000 <> 0) then continue;
nj := IfThen((j+1 >= nvp) or (p[j+1] = RC_MESH_NULL_IDX), 0, j+1);
vi[0] := p[j]; vi[1] := p[nj];
for k := 0 to 1 do
begin
v := @mesh.verts[vi[k]*3];
x := orig[0] + v[0]*cs;
y := orig[1] + (v[1]+1)*ch + 0.1;
z := orig[2] + v[2]*cs;
dd.vertex(x, y, z, coln);
end;
end;
end;
dd.&end();
// Draw boundary edges
colb := duRGBA(0,48,64,220);
dd.&begin(DU_DRAW_LINES, 2.5);
for i := 0 to mesh.npolys - 1 do
begin
p := @mesh.polys[i*nvp*2];
for j := 0 to nvp - 1 do
begin
if (p[j] = RC_MESH_NULL_IDX) then break;
if ((p[nvp+j] and $8000) = 0) then continue;
nj := IfThen((j+1 >= nvp) or (p[j+1] = RC_MESH_NULL_IDX), 0, j+1);
vi[0] := p[j]; vi[1] := p[nj];
col := colb;
if ((p[nvp+j] and $f) <> $f) then
col := duRGBA(255,255,255,128);
for k := 0 to 1 do
begin
v := @mesh.verts[vi[k]*3];
x := orig[0] + v[0]*cs;
y := orig[1] + (v[1]+1)*ch + 0.1;
z := orig[2] + v[2]*cs;
dd.vertex(x, y, z, col);
end;
end;
end;
dd.&end();
dd.&begin(DU_DRAW_POINTS, 3.0);
colv := duRGBA(0,0,0,220);
for i := 0 to mesh.nverts - 1 do
begin
v := @mesh.verts[i*3];
x := orig[0] + v[0]*cs;
y := orig[1] + (v[1]+1)*ch + 0.1;
z := orig[2] + v[2]*cs;
dd.vertex(x,y,z, colv);
end;
dd.&end();
end;
procedure duDebugDrawPolyMeshDetail(dd: TduDebugDraw; const dmesh: PrcPolyMeshDetail);
var i,j,k,kp: Integer; m: PCardinal; bverts, btris: Cardinal; ntris: Integer; verts: PSingle; tris,t: PByte; color,coli,cole,colv: Cardinal;
ef: Byte; nverts: Integer;
begin
if (dd = nil) then Exit;