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(svn r9701) -Codechange: Add support for returning 'ttdpatch variables' - http://wiki.ttdpatch.net/tiki-index.php?page=ActionDSpecialVariables

This commit is contained in:
peter1138 2007-04-20 21:19:28 +00:00
parent eda671a752
commit a4b3066433
1 changed files with 23 additions and 2 deletions
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25
src/newgrf.cpp
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@ -3434,6 +3434,28 @@ static void SafeParamSet(byte *buf, int len)
_skip_sprites = -1;
}
static uint32 GetPatchVariable(uint8 param)
{
switch (param) {
/* start year - 1920 */
case 0x0B: return _cur_year - ORIGINAL_BASE_YEAR;
/* freight trains weight factor */
case 0x0E: return _patches.freight_trains;
/* empty wagon speed increase */
case 0x0F: return 0;
/* plane speed factor */
case 0x10: return 4;
/* 2CC colormap base sprite */
case 0x11: return SPR_2CCMAP_BASE;
default:
grfmsg(2, "ParamSet: Unknown Patch variable 0x%02X.", param);
return 0;
}
}
/* Action 0x0D */
static void ParamSet(byte *buf, int len)
{
@ -3488,8 +3510,7 @@ static void ParamSet(byte *buf, int len)
if (GB(data, 0, 8) == 0xFF) {
if (data == 0x0000FFFF) {
/* Patch variables */
grfmsg(2, "ParamSet: Reading Patch variables unsupported");
return;
src1 = GetPatchVariable(src1);
} else {
/* GRF Resource Management */
if (_cur_stage != GLS_ACTIVATION) {