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(svn r3034) -NewGRF: Improve error checking of setting price bases.

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peter1138 2005-10-12 09:54:29 +00:00
parent 0321dc9fc5
commit 5551b423fc
3 changed files with 11 additions and 6 deletions
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8
economy.c
View File

@ -775,7 +775,7 @@ static byte price_base_multiplier[NUM_PRICES];
*/
void ResetPriceBaseMultipliers(void)
{
int i;
uint i;
// 8 means no multiplier.
for (i = 0; i < NUM_PRICES; i++)
@ -789,10 +789,10 @@ void ResetPriceBaseMultipliers(void)
* @param price Index of price base to change.
* @param factor Amount to change by.
*/
void SetPriceBaseMultiplier(int price, byte factor)
void SetPriceBaseMultiplier(uint price, byte factor)
{
if (price < NUM_PRICES)
price_base_multiplier[price] = factor;
assert(price < NUM_PRICES);
price_base_multiplier[price] = factor;
}
void StartupEconomy(void)

2
economy.h
View File

@ -4,7 +4,7 @@
#define ECONOMY_H
void ResetPriceBaseMultipliers(void);
void SetPriceBaseMultiplier(int price, byte factor);
void SetPriceBaseMultiplier(uint price, byte factor);
typedef struct {
// Maximum possible loan

7
newgrf.c
View File

@ -1070,8 +1070,13 @@ static bool GlobalVarChangeInfo(uint gvid, int numinfo, int prop, byte **bufp, i
case 0x08: { /* Cost base factor */
FOR_EACH_OBJECT {
byte factor = grf_load_byte(&buf);
uint price = gvid + i;
SetPriceBaseMultiplier(gvid + i, factor);
if (price < NUM_PRICES) {
SetPriceBaseMultiplier(price, factor);
} else {
grfmsg(GMS_WARN, "GlobalVarChangeInfo: Price %d out of range, ignoring.", price);
}
}
} break;
default: