author | Xeli |
Mon, 23 Apr 2012 19:23:28 +0200 | |
changeset 6919 | bf7433e62b9c |
parent 6884 | 85e810230372 |
child 6952 | 7f70f37bbf08 |
permissions | -rw-r--r-- |
4 | 1 |
(* |
2947 | 2 |
* Hedgewars, a free turn based strategy game |
6700 | 3 |
* Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com> |
2947 | 4 |
* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*) |
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|
2630 | 19 |
{$INCLUDE "options.inc"} |
20 |
||
4 | 21 |
unit uMisc; |
22 |
interface |
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2630 | 23 |
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uses SDLh, uConsts, GLunit, uTypes; |
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|
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26 |
procedure movecursor(dx, dy: LongInt); |
2670 | 27 |
function doSurfaceConversion(tmpsurf: PSDL_Surface): PSDL_Surface; |
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function MakeScreenshot(filename: shortstring): boolean; |
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function GetTeamStatString(p: PTeam): shortstring; |
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{$IFDEF SDL13} |
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function SDL_RectMake(x, y, width, height: LongInt): TSDL_Rect; |
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{$ELSE} |
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function SDL_RectMake(x, y: SmallInt; width, height: Word): TSDL_Rect; |
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{$ENDIF} |
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procedure initModule; |
36 |
procedure freeModule; |
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|
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implementation |
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6881 | 39 |
uses typinfo, sysutils, uVariables, uUtils |
40 |
{$IFDEF PNG_SCREENSHOTS}, PNGh, png {$ENDIF} |
|
41 |
{$IFNDEF USE_SDLTHREADS} {$IFDEF UNIX}, cthreads{$ENDIF} {$ENDIF}; |
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42 |
||
43 |
type PScreenshot = ^TScreenshot; |
|
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TScreenshot = record |
|
45 |
buffer: PByte; |
|
46 |
filename: shortstring; |
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width, height: LongInt; |
|
48 |
size: QWord; |
|
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end; |
|
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|
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|
51 |
procedure movecursor(dx, dy: LongInt); |
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var x, y: LongInt; |
53 |
begin |
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if (dx = 0) and (dy = 0) then exit; |
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SDL_GetMouseState(@x, @y); |
57 |
Inc(x, dx); |
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Inc(y, dy); |
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SDL_WarpMouse(x, y); |
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end; |
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||
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{$IFDEF PNG_SCREENSHOTS} |
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// this funtion will be executed in separate thread |
|
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function SaveScreenshot(screenshot: pointer): PtrInt; |
|
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var i: LongInt; |
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png_ptr: ^png_struct; |
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info_ptr: ^png_info; |
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f: file; |
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image: PScreenshot; |
70 |
begin |
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image:= PScreenshot(screenshot); |
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||
73 |
png_ptr := png_create_write_struct(png_get_libpng_ver(nil), nil, nil, nil); |
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if png_ptr = nil then |
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begin |
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// AddFileLog('Error: Could not create png write struct.'); |
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exit(0); |
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end; |
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79 |
||
80 |
info_ptr := png_create_info_struct(png_ptr); |
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if info_ptr = nil then |
|
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begin |
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png_destroy_write_struct(@png_ptr, nil); |
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// AddFileLog('Error: Could not create png info struct.'); |
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exit(0); |
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end; |
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||
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{$IOCHECKS OFF} |
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Assign(f, image^.filename); |
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Rewrite(f, 1); |
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if IOResult = 0 then |
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begin |
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png_init_pascal_io(png_ptr,@f); |
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png_set_IHDR(png_ptr, info_ptr, image^.width, image^.height, |
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8, // bit depth |
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PNG_COLOR_TYPE_RGBA, PNG_INTERLACE_NONE, |
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PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); |
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png_write_info(png_ptr, info_ptr); |
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// glReadPixels and libpng number rows in different order |
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for i:= image^.height-1 downto 0 do |
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png_write_row(png_ptr, image^.buffer + i*4*image^.width); |
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png_write_end(png_ptr, info_ptr); |
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Close(f); |
|
104 |
end; |
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105 |
{$IOCHECKS ON} |
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106 |
||
107 |
// free everything |
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108 |
png_destroy_write_struct(@png_ptr, @info_ptr); |
|
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FreeMem(image^.buffer, image^.size); |
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Dispose(image); |
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SaveScreenshot:= 0; |
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112 |
end; |
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||
114 |
{$ELSE} // no PNG_SCREENSHOTS |
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||
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// this funtion will be executed in separate thread |
|
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function SaveScreenshot(screenshot: pointer): PtrInt; |
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var f: file; |
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2947 | 119 |
// Windows Bitmap Header |
120 |
head: array[0..53] of Byte = ( |
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$42, $4D, // identifier ("BM") |
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0, 0, 0, 0, // file size |
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0, 0, 0, 0, // reserved |
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54, 0, 0, 0, // starting offset |
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125 |
40, 0, 0, 0, // header size |
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126 |
0, 0, 0, 0, // width |
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127 |
0, 0, 0, 0, // height |
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128 |
1, 0, // color planes |
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32, 0, // bit depth |
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0, 0, 0, 0, // compression method (uncompressed) |
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131 |
0, 0, 0, 0, // image size |
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132 |
96, 0, 0, 0, // horizontal resolution |
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133 |
96, 0, 0, 0, // vertical resolution |
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134 |
0, 0, 0, 0, // number of colors (all) |
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135 |
0, 0, 0, 0 // number of important colors |
2947 | 136 |
); |
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image: PScreenshot; |
138 |
size: QWord; |
|
139 |
begin |
|
140 |
image:= PScreenshot(screenshot); |
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141 |
||
142 |
size:= image^.Width*image^.Height*4; |
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143 |
||
144 |
head[$02]:= (size + 54) and $ff; |
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head[$03]:= ((size + 54) shr 8) and $ff; |
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146 |
head[$04]:= ((size + 54) shr 16) and $ff; |
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147 |
head[$05]:= ((size + 54) shr 24) and $ff; |
|
148 |
head[$12]:= image^.Width and $ff; |
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149 |
head[$13]:= (image^.Width shr 8) and $ff; |
|
150 |
head[$14]:= (image^.Width shr 16) and $ff; |
|
151 |
head[$15]:= (image^.Width shr 24) and $ff; |
|
152 |
head[$16]:= image^.Height and $ff; |
|
153 |
head[$17]:= (image^.Height shr 8) and $ff; |
|
154 |
head[$18]:= (image^.Height shr 16) and $ff; |
|
155 |
head[$19]:= (image^.Height shr 24) and $ff; |
|
156 |
head[$22]:= size and $ff; |
|
157 |
head[$23]:= (size shr 8) and $ff; |
|
158 |
head[$24]:= (size shr 16) and $ff; |
|
159 |
head[$25]:= (size shr 24) and $ff; |
|
160 |
||
161 |
{$IOCHECKS OFF} |
|
162 |
Assign(f, image^.filename); |
|
163 |
Rewrite(f, 1); |
|
164 |
if IOResult = 0 then |
|
165 |
begin |
|
166 |
BlockWrite(f, head, sizeof(head)); |
|
167 |
BlockWrite(f, image^.buffer^, size); |
|
168 |
Close(f); |
|
169 |
end |
|
170 |
else |
|
171 |
begin |
|
172 |
//AddFileLog('Error: Could not write to ' + filename); |
|
173 |
end; |
|
174 |
{$IOCHECKS ON} |
|
175 |
||
176 |
// free everything |
|
177 |
FreeMem(image^.buffer, image^.size); |
|
178 |
Dispose(image); |
|
179 |
SaveScreenshot:= 0; |
|
180 |
end; |
|
181 |
||
182 |
{$ENDIF} // no PNG_SCREENSHOTS |
|
183 |
||
184 |
// captures and saves the screen. returns true on success. |
|
185 |
function MakeScreenshot(filename: shortstring): Boolean; |
|
186 |
var p: Pointer; |
|
187 |
size: QWord; |
|
188 |
image: PScreenshot; |
|
189 |
format: GLenum; |
|
190 |
ext: string[4]; |
|
1080 | 191 |
begin |
3107 | 192 |
// flash |
193 |
ScreenFade:= sfFromWhite; |
|
194 |
ScreenFadeValue:= sfMax; |
|
195 |
ScreenFadeSpeed:= 5; |
|
196 |
||
6881 | 197 |
{$IFDEF PNG_SCREENSHOTS} |
198 |
format:= GL_RGBA; |
|
199 |
ext:= '.png'; |
|
200 |
{$ELSE} |
|
201 |
format:= GL_BGRA; |
|
202 |
ext:= '.bmp'; |
|
203 |
{$ENDIF} |
|
204 |
||
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205 |
size:= toPowerOf2(cScreenWidth) * toPowerOf2(cScreenHeight) * 4; |
6881 | 206 |
p:= GetMem(size); // will be freed in SaveScreenshot() |
1080 | 207 |
|
5910 | 208 |
// memory could not be allocated |
209 |
if p = nil then |
|
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5911
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|
210 |
begin |
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211 |
AddFileLog('Error: Could not allocate memory for screenshot.'); |
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212 |
exit(false); |
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213 |
end; |
5910 | 214 |
|
6881 | 215 |
// read pixel from the front buffer |
216 |
glReadPixels(0, 0, cScreenWidth, cScreenHeight, format, GL_UNSIGNED_BYTE, p); |
|
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koda's patch fixing some iphone port troubles (color, mouse)
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217 |
|
6881 | 218 |
// allocate and fill structure that will be passed to new thread |
219 |
New(image); // will be disposed in SaveScreenshot() |
|
220 |
image^.filename:= UserPathPrefix + '/Screenshots/' + filename + ext; |
|
221 |
image^.width:= cScreenWidth; |
|
222 |
image^.height:= cScreenHeight; |
|
223 |
image^.size:= size; |
|
224 |
image^.buffer:= p; |
|
1080 | 225 |
|
6881 | 226 |
{$IFDEF USE_SDLTHREADS} |
227 |
SDL_CreateThread(@SaveScreenshot{$IFDEF SDL13}, nil{$ENDIF}, image); |
|
228 |
{$ELSE} |
|
229 |
BeginThread(@SaveScreenshot, image); |
|
230 |
{$ENDIF} |
|
231 |
MakeScreenshot:= true; // possibly it is not true but we will not wait for thread to terminate |
|
1080 | 232 |
end; |
233 |
||
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koda
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4976
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|
234 |
// http://www.idevgames.com/forums/thread-5602-post-21860.html#pid21860 |
2619 | 235 |
function doSurfaceConversion(tmpsurf: PSDL_Surface): PSDL_Surface; |
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4976
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|
236 |
var convertedSurf: PSDL_Surface; |
2619 | 237 |
begin |
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238 |
if ((tmpsurf^.format^.bitsperpixel = 32) and (tmpsurf^.format^.rshift > tmpsurf^.format^.bshift)) or |
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parents:
4976
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changeset
|
239 |
(tmpsurf^.format^.bitsperpixel = 24) then |
4578 | 240 |
begin |
5046
fc6639d56799
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koda
parents:
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|
241 |
convertedSurf:= SDL_ConvertSurface(tmpsurf, conversionFormat, SDL_SWSURFACE); |
2947 | 242 |
SDL_FreeSurface(tmpsurf); |
243 |
exit(convertedSurf); |
|
4578 | 244 |
end; |
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245 |
|
2947 | 246 |
exit(tmpsurf); |
2619 | 247 |
end; |
248 |
||
6695
32de8965c62c
refactored a few types involved in the touch interface and corrected a few invisible mistakes
koda
parents:
6267
diff
changeset
|
249 |
{$IFDEF SDL13} |
32de8965c62c
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koda
parents:
6267
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changeset
|
250 |
function SDL_RectMake(x, y, width, height: LongInt): TSDL_Rect; |
32de8965c62c
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koda
parents:
6267
diff
changeset
|
251 |
{$ELSE} |
32de8965c62c
refactored a few types involved in the touch interface and corrected a few invisible mistakes
koda
parents:
6267
diff
changeset
|
252 |
function SDL_RectMake(x, y: SmallInt; width, height: Word): TSDL_Rect; |
32de8965c62c
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koda
parents:
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changeset
|
253 |
{$ENDIF} |
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koda
parents:
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changeset
|
254 |
begin |
6857 | 255 |
SDL_RectMake.x:= x; |
256 |
SDL_RectMake.y:= y; |
|
257 |
SDL_RectMake.w:= width; |
|
258 |
SDL_RectMake.h:= height; |
|
6695
32de8965c62c
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koda
parents:
6267
diff
changeset
|
259 |
end; |
2699
249adefa9c1c
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koda
parents:
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diff
changeset
|
260 |
|
4413 | 261 |
function GetTeamStatString(p: PTeam): shortstring; |
262 |
var s: ansistring; |
|
2670 | 263 |
begin |
4413 | 264 |
s:= p^.TeamName + ':' + IntToStr(p^.TeamHealth) + ':'; |
265 |
GetTeamStatString:= s; |
|
2670 | 266 |
end; |
2630 | 267 |
|
3038 | 268 |
procedure initModule; |
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|
269 |
const SDL_PIXELFORMAT_ABGR8888 = (1 shl 31) or (6 shl 24) or (7 shl 20) or (6 shl 16) or (32 shl 8) or 4; |
2699
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koda
parents:
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diff
changeset
|
270 |
begin |
5052 | 271 |
conversionFormat:= SDL_AllocFormat(SDL_PIXELFORMAT_ABGR8888); |
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249adefa9c1c
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koda
parents:
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diff
changeset
|
272 |
end; |
249adefa9c1c
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koda
parents:
2698
diff
changeset
|
273 |
|
3038 | 274 |
procedure freeModule; |
2699
249adefa9c1c
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koda
parents:
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diff
changeset
|
275 |
begin |
3626 | 276 |
recordFileName:= ''; |
5046
fc6639d56799
this brings compatibility up with SDL HEAD (5504), but maybe breaks compatibility with sdl 1.2 so please test! still has problems with keyboard input and rendered ttf textures
koda
parents:
5004
diff
changeset
|
277 |
SDL_FreeFormat(conversionFormat); |
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changeset
|
278 |
end; |
4 | 279 |
|
280 |
end. |