--- a/grfspecial.c Sun Nov 14 23:14:44 2004 +0000
+++ b/grfspecial.c Sun Nov 14 23:36:19 2004 +0000
@@ -21,6 +21,7 @@
extern int _skip_sprites;
extern int _replace_sprites_count[16];
extern int _replace_sprites_offset[16];
+extern int _traininfo_vehicle_pitch;
struct GRFFile {
char *filename;
@@ -1548,8 +1549,10 @@
case 0x8D: /* TTD Version, 00=DOS, 01=Windows */
param_val = 1;
break;
+ case 0x8E:
+ param_val = _traininfo_vehicle_pitch;
+ break;
/* TODO */
- case 0x8E: /* How many pixels to displace sprites in train info windows */
case 0x8F: /* Track type cost multipliers */
default:
if (param >= 0x80) {
@@ -1739,6 +1742,7 @@
uint16 src1;
uint16 src2;
uint16 data = 0;
+ int32 *dest;
check_length(len, 5, "ParamSet");
buf++;
@@ -1790,37 +1794,42 @@
* from action 7, but at the moment the only variable that is valid to
* write is 8E. */
- if (_param_max < target)
- _param_max = target;
+ if (target == 0x8E) {
+ dest = &_traininfo_vehicle_pitch;
+ } else {
+ if (_param_max < target)
+ _param_max = target;
+ dest = &_paramlist[target];
+ }
/* FIXME: No checking for overflows. */
switch (oper) {
case 0x00:
- _paramlist[target] = src1;
+ *dest = src1;
break;
case 0x01:
- _paramlist[target] = src1 + src2;
+ *dest = src1 + src2;
break;
case 0x02:
- _paramlist[target] = src1 - src2;
+ *dest = src1 - src2;
break;
case 0x03:
- _paramlist[target] = ((uint32) src1) * ((uint32) src2);
+ *dest = ((uint32) src1) * ((uint32) src2);
break;
case 0x04:
- _paramlist[target] = ((int32) src1) * ((int32) src2);
+ *dest = ((int32) src1) * ((int32) src2);
break;
case 0x05:
if (src2 & 0x8000) /* src2 is "negative" */
- _paramlist[target] = src1 >> -((int16) src2);
+ *dest = src1 >> -((int16) src2);
else
- _paramlist[target] = src1 << src2;
+ *dest = src1 << src2;
break;
case 0x06:
if (src2 & 0x8000) /* src2 is "negative" */
- _paramlist[target] = ((int16) src1) >> -((int16) src2);
+ *dest = ((int16) src1) >> -((int16) src2);
else
- _paramlist[target] = ((int16) src1) << src2;
+ *dest = ((int16) src1) << src2;
break;
default:
grfmsg(GMS_ERROR, "ParamSet: Unknown operation %d, skipping.", oper);