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(svn r19655) -Codechange: Reduce usage magic p1 parameter.

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frosch 2010-04-17 13:45:48 +00:00
parent 75d4bc947d
commit 2a5ddd0dae
1 changed files with 11 additions and 9 deletions
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20
src/economy.cpp
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@ -1490,12 +1490,12 @@ extern int GetAmountOwnedBy(const Company *c, Owner owner);
CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{ {
CommandCost cost(EXPENSES_OTHER); CommandCost cost(EXPENSES_OTHER);
CompanyID target_company = (CompanyID)p1;
Company *c = Company::GetIfValid(p1); Company *c = Company::GetIfValid(target_company);
/* Check if buying shares is allowed (protection against modified clients) /* Check if buying shares is allowed (protection against modified clients)
* Cannot buy own shares */ * Cannot buy own shares */
if (c == NULL || !_settings_game.economy.allow_shares || _current_company == (CompanyID)p1) return CMD_ERROR; if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
/* Protect new companies from hostile takeovers */ /* Protect new companies from hostile takeovers */
if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED); if (_cur_year - c->inaugurated_year < 6) return_cmd_error(STR_ERROR_PROTECTED);
@ -1521,7 +1521,7 @@ CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1,
break; break;
} }
} }
SetWindowDirty(WC_COMPANY, p1); SetWindowDirty(WC_COMPANY, target_company);
} }
return cost; return cost;
} }
@ -1536,11 +1536,12 @@ CommandCost CmdBuyShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1,
*/ */
CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{ {
Company *c = Company::GetIfValid(p1); CompanyID target_company = (CompanyID)p1;
Company *c = Company::GetIfValid(target_company);
/* Check if selling shares is allowed (protection against modified clients) /* Check if selling shares is allowed (protection against modified clients)
* Cannot sell own shares */ * Cannot sell own shares */
if (c == NULL || !_settings_game.economy.allow_shares || _current_company == (CompanyID)p1) return CMD_ERROR; if (c == NULL || !_settings_game.economy.allow_shares || _current_company == target_company) return CMD_ERROR;
/* Those lines are here for network-protection (clients can be slow) */ /* Those lines are here for network-protection (clients can be slow) */
if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost(); if (GetAmountOwnedBy(c, _current_company) == 0) return CommandCost();
@ -1553,7 +1554,7 @@ CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1
OwnerByte *b = c->share_owners; OwnerByte *b = c->share_owners;
while (*b != _current_company) b++; // share owners is guaranteed to contain company while (*b != _current_company) b++; // share owners is guaranteed to contain company
*b = COMPANY_SPECTATOR; *b = COMPANY_SPECTATOR;
SetWindowDirty(WC_COMPANY, p1); SetWindowDirty(WC_COMPANY, target_company);
} }
return CommandCost(EXPENSES_OTHER, cost); return CommandCost(EXPENSES_OTHER, cost);
} }
@ -1571,7 +1572,8 @@ CommandCost CmdSellShareInCompany(TileIndex tile, DoCommandFlag flags, uint32 p1
*/ */
CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text) CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
{ {
Company *c = Company::GetIfValid(p1); CompanyID target_company = (CompanyID)p1;
Company *c = Company::GetIfValid(target_company);
if (c == NULL) return CMD_ERROR; if (c == NULL) return CMD_ERROR;
/* Disable takeovers when not asked */ /* Disable takeovers when not asked */
@ -1581,7 +1583,7 @@ CommandCost CmdBuyCompany(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32
if (!_networking && _local_company == c->index) return CMD_ERROR; if (!_networking && _local_company == c->index) return CMD_ERROR;
/* Do not allow companies to take over themselves */ /* Do not allow companies to take over themselves */
if ((CompanyID)p1 == _current_company) return CMD_ERROR; if (target_company == _current_company) return CMD_ERROR;
/* Get the cost here as the company is deleted in DoAcquireCompany. */ /* Get the cost here as the company is deleted in DoAcquireCompany. */
CommandCost cost(EXPENSES_OTHER, c->bankrupt_value); CommandCost cost(EXPENSES_OTHER, c->bankrupt_value);