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Simba/Projects/libmml/libmml.lpr
2011-07-17 20:03:27 +02:00

720 lines
16 KiB
ObjectPascal

library libmml;
{$mode objfpc}{$H+}
uses
cmem,Classes,interfaces,graphics,client,sysutils,MufasaTypes,dtmutil, dtm;
//{$R *.res}
Const
RESULT_OK = 0;
RESULT_FALSE = 1;
RESULT_ERROR = -1;
MOUSE_UP = 0;
MOUSE_DOWN = 1;
{
Global variables.
To actually read the last_error, make sure you copy it to a safe place
directly after the function call.
}
var
last_error: String;
debug: boolean;
{ This must be called on Library load }
function init: integer; cdecl;
begin
last_error := '';
debug := true;
result := RESULT_OK;
end;
procedure set_last_error(s: string);
begin
last_error := s;
if debug then
writeln('ERROR: ' + s);
end;
{ Validate the TClient. If it is NULL, set last error and return false }
function validate_client(C: TClient): boolean; inline;
begin
result := Assigned(C);
if not result then
begin
last_error := 'PClient is NULL';
if debug then
writeln(last_error);
end;
end;
{
Create a TClient.
You can use multiple, but you'll have to manage them yourself.
}
function create_client: PtrUInt; cdecl;
var
C: TClient;
begin
try
C := TClient.Create('');
Result := PtrUInt(C);
except on e : Exception do
begin
// FIXME UINT negative
result := PtrUInt(RESULT_ERROR);
set_last_error(e.message);
end;
end;
writeln(format('C: %d, IOManager: %d', [PtrUInt(C), PtrUInt(C.IOManager)]));
end;
{ Destroy a TClient }
function destroy_client(C: TClient): integer; cdecl;
begin
try
C.Free;
except on e : Exception do
begin
result := RESULT_ERROR;
set_last_error(e.message);
end;
end;
end;
{ Set (verbose) debug on/off }
procedure set_debug(v: Boolean); cdecl;
begin
debug := v;
end;
{ Get debug }
function get_debug: boolean; cdecl;
begin
exit(debug);
end;
{
VERY IMPORTANT: If you use get_last_error, you must immediately store the
resulting string somewhere else. As soon as you do other calls, the last error
may be reset or assigned a different memory position, making your old
pointer invalid.
}
function get_last_error: pchar; cdecl;
begin
exit(@last_error[1]);
end;
{ Turn an array into a pointer. The pointer memory is not managed by FPC, so we can pass
it along happily. It'll have to be freed by the external control though }
function array_to_ptr(ptr: Pointer; size: PtrUInt; objsize: PtrUInt): Pointer; cdecl;
begin
result := GetMem(objsize * size);
Move(ptr^, result^, objsize * size);
end;
{ Free memory previously allocated by libMML }
function free_ptr(ptr: pointer): boolean; cdecl;
begin
result := Assigned(ptr);
if not result then
begin
set_last_error('TClient is NULL');
if debug then
writeln(last_error);
end else
FreeMem(ptr);
end;
{ Allocate memory with libMML }
function alloc_mem(size, objsize: PtrUInt): Pointer; cdecl;
begin
result := GetMem(size * objsize);
end;
{ Reallocate memory with libMML }
function realloc_mem(ptr: Pointer; size, objsize: PtrUInt): Pointer; cdecl;
begin
result := ReAllocMem(ptr, size*objsize);
end;
{ Mouse }
{ Returns mouse position of client C to point t }
function get_mouse_pos(C: TClient; var t: tpoint): integer; cdecl;
begin
if not validate_client(C) then
exit(RESULT_ERROR);
try
C.IOManager.GetMousePos(t.x,t.y);
result := RESULT_OK;
except on e : Exception do
begin
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
end;
{ Set mouse position of client C to point t }
function set_mouse_pos(C: TClient; var t: tpoint): integer; cdecl;
begin
try
C.IOManager.MoveMouse(t.x,t.y);
result := RESULT_OK;
except on e : Exception do
begin
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
end;
{ Helper function }
function ConvIntClickType(Int : Integer) : TClickType; inline;
begin
case int of
0 : result := mouse_Left;
1 : result := mouse_Right;
2 : result := mouse_Middle;
end;
end;
{ Return the state of a mouse button given client C }
function get_mouse_button_state(C: TClient; But: Integer): Integer; cdecl;
begin
try
if C.IOManager.IsMouseButtonDown(ConvIntClickType(But)) then
result := MOUSE_DOWN
else
result := MOUSE_UP;
except on e : Exception do
begin
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
end;
{ Set the state of a mouse button given client C }
function set_mouse_button_state(C: TClient; But, State, X, Y: Integer): Integer; cdecl;
begin
try
if State = MOUSE_UP then
begin
C.IOManager.ReleaseMouse(X, Y, ConvIntClickType(But));
result := RESULT_OK;
end else if state = MOUSE_DOWN then
begin
C.IOManager.HoldMouse(X, Y, ConvIntClickType(But));
result := RESULT_OK;
end;
except on e : Exception do
begin
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
end;
{ Colour }
function get_color(C: TClient; x, y: Integer;
out color: Integer): Integer; cdecl;
begin
try
color := C.IOManager.GetColor(x, y);
if color > -1 then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
{ Find color on client C in area (x1,y1,x2,y2) and return coordinate (if any) in x, y }
function find_color(C: TClient; var x, y: Integer;
color, x1, y1, x2, y2: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColor(x, y, color, x1, y1, x2, y2) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.Message);
result := RESULT_ERROR;
end;
end;
end;
function find_color_tolerance(C: TClient; var x, y: Integer; color: Integer;
tol, x1, y1, x2, y2: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColorTolerance(x, y, color, x1, y1, x2, y2, tol) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.Message);
result := RESULT_ERROR;
end;
end;
end;
function find_color_tolerance_optimised(C: TClient; var x, y: Integer;
var len: Integer; col: Integer;
x1, y1, x2, y2: Integer;
tol: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColorToleranceOptimised(x, y, col, x1, y1, x2, y2,
tol) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function find_colors(C: TClient; var ptr: PPoint; var len: Integer;
color, x1, y1, x2, y2: Integer): Integer; cdecl;
var
TPA: TPointArray;
begin
setlength(TPA, 0);
try
C.MFinder.FindColors(TPA, color, x1, y1, x2, y2);
except on e : Exception do
begin
set_last_error(e.Message);
result := RESULT_ERROR;
end;
end;
len := Length(TPA);
if len > 0 then
result := RESULT_OK
else
begin
setlength(tpa, 0);
exit(RESULT_FALSE);
end;
ptr := array_to_ptr(Pointer(@TPA[0]), len, sizeof(TPoint));
setlength(tpa, 0);
end;
function find_colors_tolerance(C: TClient; var ptr: PPoint; var len: Integer;
color, tol, x1, y1, x2, y2: Integer): Integer; cdecl;
var
TPA: TPointArray;
begin
try
C.MFinder.FindColorsTolerance(TPA, color, x1, y1, x2, y2, tol);
except on e : Exception do
begin
set_last_error(e.Message);
result := RESULT_ERROR;
end;
end;
len := Length(TPA);
if len > 0 then
result := RESULT_OK
else
begin
setlength(tpa, 0);
exit(RESULT_FALSE);
end;
ptr := array_to_ptr(Pointer(@TPA[0]), len, sizeof(TPoint));
setlength(TPA, 0);
end;
function find_colors_tolerance_optimised(C: TClient; var ptr: PPoint;
var len: Integer; col: Integer;
x1, y1, x2, y2: Integer;
tol: Integer): Integer; cdecl;
var
TPA: TPointArray;
begin
try
C.MFinder.FindColorsToleranceOptimised(TPA, col, x1, y1, x2, y2, tol);
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
len := Length(TPA);
if len > 0 then
result := RESULT_OK
else
begin
setlength(tpa, 0);
exit(RESULT_FALSE);
end;
ptr := array_to_ptr(Pointer(@TPA[0]), len, sizeof(TPoint));
setlength(TPA, 0);
end;
function similar_colors(C: TClient; col1, col2, tol: Integer): Integer; cdecl;
begin
try
if C.MFinder.SimilarColors(col1, col2, tol) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_FALSE;
end;
end;
end;
function count_color(C: TClient; out count: Integer;
Color, xs, ys, xe, ye: Integer): Integer; cdecl;
begin
try
count := C.MFinder.CountColor(Color, xs, ys, xe, ye);
if count > 0 then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function count_color_tolerance(C: TClient; out count: Integer; col: Integer;
xs, ys, xe, ye, tol: Integer): Integer; cdecl;
begin
try
count := C.MFinder.CountColorTolerance(col, xs, ys, xe, ye, tol);
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
if count > 0 then
result := RESULT_OK
else
result := RESULT_FALSE;
end;
function find_color_spiral(C: TClient; var x, y: Integer;
col, xs, ys, xe, ye: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColorSpiral(x, y, col, xs, ys, xe, ye) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function find_color_spiral_tolerance(C: TClient; var x, y: Integer;
col, xs, ys, xe, ye: Integer;
tol: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColorSpiralTolerance(x, y, col, xs, ys, xe, ye,
tol) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function find_colored_area(C: TClient; var x, y: Integer;
col, xs, ys, xe, ye, minA: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColoredArea(x, y, col, xs, ys, xe, ye, minA) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function find_colored_area_tolerance(C: TClient; var x, y: Integer;
col, xs, ys, xe, ye, minA: Integer;
tol: Integer): Integer; cdecl;
begin
try
if C.MFinder.FindColoredAreaTolerance(x, y, col,
xs, ys, xe, ye, minA, tol) then
result := RESULT_OK
else
result := RESULT_FALSE;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function set_tolerance_speed(C: TClient; nCTS: Integer): Integer; cdecl;
begin
try
C.MFinder.SetToleranceSpeed(nCTS);
result := RESULT_OK;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function get_tolerance_speed(C: TClient; out cts: Integer): Integer; cdecl;
begin
try
cts := C.MFinder.GetToleranceSpeed;
result := RESULT_OK;
except on e: Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end
end;
end;
function set_tolerance_speed_2_modifiers(C: TClient;
nHue, nSat: Extended): Integer; cdecl;
begin
try
C.MFinder.SetToleranceSpeed2Modifiers(nHue, nSat);
result := RESULT_OK;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
function get_tolerance_speed_2_modifiers(C: TClient; out hueMod: Extended;
out satMod: Extended): Integer; cdecl;
var
h, s: Extended;
begin
try
C.MFinder.GetToleranceSpeed2Modifiers(h, s);
hueMod := h;
satMod := s;
result := RESULT_OK;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_ERROR;
end;
end;
end;
{ DTM }
{ FIXME: DTM has not been tested yet! }
{ Create a MDTM}
function create_dtm(PointLen: integer; Points: PMDTMPoint; DTM: TMDTM): integer;
cdecl;
var
i: integer;
begin
DTM := TMDTM.Create;
for i := 0 to PointLen - 1 do
DTM.AddPoint(Points[i]);
if DTM.Valid then
exit(RESULT_OK);
DTM.Free;
set_last_error('Invalid DTM');
result := RESULT_ERROR;
end;
{ Delete a MDTM. Don't delete it if it is managed! use remove_dtm instead }
function delete_dtm(C: TClient; DTM: TMDTM): integer; cdecl;
begin
if not assigned(DTM) then
begin
set_last_error('DTM is NULL');
exit(RESULT_ERROR);
end;
DTM.Free;
result := RESULT_OK;
end;
{ Add a previously created DTM to the DTM Manager }
function add_dtm(C: TClient; DTM: TMDTM; var index: integer): integer; cdecl;
begin
if not assigned(DTM) then
begin
set_last_error('DTM is NULL');
exit(RESULT_ERROR);
end;
try
index := C.MDTMs.AddDTM(DTM);
exit(RESULT_OK);
except on e : Exception do
result := RESULT_ERROR;
end;
end;
{ Remove a previously added DTM from the DTM manager. This also frees the DTM }
function remove_dtm(C: TClient; DTMi: integer): integer; cdecl;
begin
C.MDTMs.FreeDTM(DTMi);
end;
{ Find a DTM given DTM index i, client C in area x1,y1,x2,y2. Return coord at x, y. }
function find_dtm(C: TClient; DTMi: integer; var x, y: integer; x1, y1, x2,
y2: integer): integer; cdecl;
var
res: boolean;
begin
try
res := C.MFinder.FindDTM(C.MDTMs.DTM[DTMi], x, y, x1, y1, x2, y2);
except on e : Exception do
begin;
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
if res then
result := RESULT_OK
else
result := RESULT_FALSE;
end;
{ Find a DTM given DTM index i, client C in area x1,y1,x2,y2. Return coord at x, y. }
function find_dtms(C: TClient; DTMi: integer; ptr: PPoint; x1, y1, x2,
y2: integer): integer; cdecl;
var
res: boolean;
len: integer;
TPA: TPointArray;
begin
try
res := C.MFinder.FindDTMs(C.MDTMs.DTM[DTMi], TPA, x1, y1, x2, y2);
except on e : Exception do
begin;
result := RESULT_ERROR;
set_last_error(e.Message);
end;
end;
len := Length(TPA);
if len > 0 then
result := RESULT_OK
else
begin
setlength(tpa, 0);
exit(RESULT_FALSE);
end;
ptr := array_to_ptr(Pointer(@TPA[0]), len, sizeof(TPoint));
setlength(TPA, 0);
end;
function set_array_target(C: TClient; Arr: PRGB32; Size: TPoint): integer;
cdecl;
begin
if not assigned(Arr) then
begin
set_last_error('Arr is not assigned');
exit(RESULT_FALSE);
end;
try
C.IOManager.SetTarget(Arr, Size);
result := RESULT_OK;
except on e : Exception do
begin
set_last_error(e.message);
result := RESULT_FALSE;
end;
end;
end;
exports
init,
create_client,
destroy_client,
get_last_error,
get_debug,
set_debug,
alloc_mem,
realloc_mem,
free_ptr,
get_mouse_pos, set_mouse_pos,
get_mouse_button_state, set_mouse_button_state,
get_color,
find_color, find_color_tolerance,
find_colors, find_colors_tolerance,
create_dtm, delete_dtm, add_dtm, remove_dtm,
find_dtm,
set_array_target;
begin
end.