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- Replaced own UVector with unit matrix from the RTL

This commit is contained in:
Andreas Schneider 2009-12-18 02:35:25 +01:00
parent 1e84b76c63
commit 12a28c79b2
2 changed files with 30 additions and 112 deletions
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55
Client/ULandscape.pas
View File

@ -30,16 +30,16 @@ unit ULandscape;
interface
uses
SysUtils, Classes, math, LCLIntf, GL, GLu, ImagingOpenGL, Imaging,
SysUtils, Classes, math, matrix, LCLIntf, GL, GLu, ImagingOpenGL, Imaging,
ImagingClasses, ImagingTypes, ImagingUtility,
UGenericIndex, UMap, UStatics, UArt, UTexture, UTiledata, UHue, UWorldItem,
UMulBlock, UAnimData,
UVector, UEnhancedMemoryStream, UGLFont,
UEnhancedMemoryStream, UGLFont,
UCacheManager;
type
PNormals = ^TNormals;
TNormals = array[0..3] of TVector;
TNormals = array[0..3] of Tvector3_single;
PRadarBlock = ^TRadarBlock;
TRadarBlock = array[0..7, 0..7] of Word;
@ -1030,14 +1030,19 @@ end;
procedure TLandscape.GetNormals(AX, AY: Word; var ANormals: TNormals);
var
cells: array[0..2, 0..2] of TNormals;
north, west, south, east: TVector;
north, west, south, east: Tvector3_single;
i, j: Integer;
function Normalize(const AVector: Tvector3_single): Tvector3_single; inline;
begin
Result := AVector / AVector.length;
end;
function GetPlainNormals(X, Y: SmallInt): TNormals;
var
cell: TMapCell;
north, west, south, east: ShortInt;
u, v: TVector;
u, v: Tvector3_single;
begin
cell := GetMapCell(X, Y);
if cell <> nil then
@ -1056,27 +1061,27 @@ var
if (north = west) and (west = east) and (north = south) then
begin
Result[0] := Vector(0, 0, 1);
Result[1] := Vector(0, 0, 1);
Result[2] := Vector(0, 0, 1);
Result[3] := Vector(0, 0, 1);
Result[0].init(0, 0, 1);
Result[1].init(0, 0, 1);
Result[2].init(0, 0, 1);
Result[3].init(0, 0, 1);
end else
begin
u := Vector(-22, 22, (north - east) * 4);
v := Vector(-22, -22, (west - north) * 4);
Result[0] := VectorNorm(VectorCross(u, v));
u.init(-22, 22, (north - east) * 4);
v.init(-22, -22, (west - north) * 4);
Result[0] := Normalize(u >< v);
u := Vector(22, 22, (east - south) * 4);
v := Vector(-22, 22, (north - east) * 4);
Result[1] := VectorNorm(VectorCross(u, v));
u.init(22, 22, (east - south) * 4);
v.init(-22, 22, (north - east) * 4);
Result[1] := Normalize(u >< v);
u := Vector(22, -22, (south - west) * 4);
v := Vector(22, 22, (east - south) * 4);
Result[2] := VectorNorm(VectorCross(u, v));
u.init(22, -22, (south - west) * 4);
v.init(22, 22, (east - south) * 4);
Result[2] := Normalize(u >< v);
u := Vector(-22, -22, (west - north) * 4);
v := Vector(22, -22, (south - west) * 4);
Result[3] := VectorNorm(VectorCross(u, v));
u.init(-22, -22, (west - north) * 4);
v.init(22, -22, (south - west) * 4);
Result[3] := Normalize(u >< v);
end;
end;
begin
@ -1088,25 +1093,25 @@ begin
west := cells[0, 1][1];
east := cells[1, 0][3];
south := cells[1, 1][0];
ANormals[0] := VectorNorm(VectorAdd(VectorAdd(VectorAdd(north, west), east), south));
ANormals[0] := Normalize(north + west + east + south);
north := cells[1, 0][2];
west := cells[1, 1][1];
east := cells[2, 0][3];
south := cells[2, 1][0];
ANormals[1] := VectorNorm(VectorAdd(VectorAdd(VectorAdd(north, west), east), south));
ANormals[1] := Normalize(north + west + east + south);
north := cells[1, 1][2];
west := cells[1, 2][1];
east := cells[2, 1][3];
south := cells[2, 2][0];
ANormals[2] := VectorNorm(VectorAdd(VectorAdd(VectorAdd(north, west), east), south));
ANormals[2] := Normalize(north + west + east + south);
north := cells[0, 1][2];
west := cells[0, 2][1];
east := cells[1, 1][3];
south := cells[1, 2][0];
ANormals[3] := VectorNorm(VectorAdd(VectorAdd(VectorAdd(north, west), east), south));
ANormals[3] := Normalize(north + west + east + south);
end;
procedure TLandscape.LoadNoDrawMap(AFileName: String);

87
UVector.pas
View File

@ -1,87 +0,0 @@
(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2009 Andreas Schneider
*)
unit UVector;
interface
uses
Classes;
type
TVector = packed record
X: Single;
Y: Single;
Z: Single;
end;
function Vector(AX, AY, AZ: Single): TVector;
function VectorAdd(AVector1, AVector2: TVector): TVector;
function VectorDot(AVector1, AVector2: TVector): TVector;
function VectorCross(AVector1, AVector2: TVector): TVector;
function VectorNorm(AVector: TVector): TVector;
implementation
function Vector(AX, AY, AZ: Single): TVector;
begin
Result.X := AX;
Result.Y := AY;
Result.Z := AZ;
end;
function VectorAdd(AVector1, AVector2: TVector): TVector;
begin
Result.X := AVector1.X + AVector2.X;
Result.Y := AVector1.Y + AVector2.Y;
Result.Z := AVector1.Z + AVector2.Z;
end;
function VectorDot(AVector1, AVector2: TVector): TVector;
begin
Result.X := AVector1.X * AVector2.X;
Result.Y := AVector1.Y * AVector2.Y;
Result.Z := AVector1.Z * AVector2.Z;
end;
function VectorCross(AVector1, AVector2: TVector): TVector;
begin
Result.X := AVector1.Y * AVector2.Z - AVector1.Z * AVector2.Y;
Result.Y := AVector1.Z * AVector2.X - AVector1.X * AVector2.Z;
Result.Z := AVector1.X * AVector2.Y - AVector1.Y * AVector2.X;
end;
function VectorNorm(AVector: TVector): TVector;
var
abs: Real;
begin
abs := Sqrt(AVector.X * AVector.X + AVector.Y * AVector.Y + AVector.Z * AVector.Z);
Result.X := AVector.X / abs;
Result.Y := AVector.Y / abs;
Result.Z := AVector.Z / abs;
end;
end.