author | glx |
Fri, 13 Jun 2008 15:43:39 +0000 | |
branch | noai |
changeset 10955 | 56b381e5253f |
parent 10455 | 22c441f5adf9 |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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/** @file newgrf_canal.cpp Implementation of NewGRF canals. */ |
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#include "stdafx.h" |
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#include "openttd.h" |
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#include "variables.h" |
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#include "landscape.h" |
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#include "debug.h" |
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#include "newgrf.h" |
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#include "newgrf_callbacks.h" |
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#include "newgrf_commons.h" |
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#include "newgrf_spritegroup.h" |
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#include "newgrf_canal.h" |
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#include "tile_map.h" |
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#include "water_map.h" |
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|
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|
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/** Table of canal 'feature' sprite groups */ |
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WaterFeature _water_feature[CF_END]; |
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|
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|
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/* Random bits and triggers are not supported for canals, so the following |
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* three functions are stubs. */ |
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static uint32 CanalGetRandomBits(const ResolverObject *object) |
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{ |
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/* Return random bits only for water tiles, not station tiles */ |
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return IsTileType(object->u.canal.tile, MP_WATER) ? GetWaterTileRandomBits(object->u.canal.tile) : 0; |
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} |
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|
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31 |
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static uint32 CanalGetTriggers(const ResolverObject *object) |
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{ |
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return 0; |
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} |
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static void CanalSetTriggers(const ResolverObject *object, int triggers) |
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{ |
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return; |
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} |
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static uint32 CanalGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) |
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{ |
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TileIndex tile = object->u.canal.tile; |
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switch (variable) { |
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case 0x80: |
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return GetTileZ(tile) / TILE_HEIGHT; |
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case 0x81: |
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return GetTerrainType(tile); |
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case 0x83: |
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return GetWaterTileRandomBits(tile); |
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} |
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DEBUG(grf, 1, "Unhandled canal property 0x%02X", variable); |
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*available = false; |
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return 0; |
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} |
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static const SpriteGroup *CanalResolveReal(const ResolverObject *object, const SpriteGroup *group) |
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{ |
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if (group->g.real.num_loaded == 0) return NULL; |
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return group->g.real.loaded[0]; |
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} |
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72 |
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static void NewCanalResolver(ResolverObject *res, TileIndex tile) |
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{ |
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res->GetRandomBits = &CanalGetRandomBits; |
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res->GetTriggers = &CanalGetTriggers; |
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res->SetTriggers = &CanalSetTriggers; |
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79 |
res->GetVariable = &CanalGetVariable; |
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res->ResolveReal = &CanalResolveReal; |
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81 |
|
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res->u.canal.tile = tile; |
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|
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res->callback = CBID_NO_CALLBACK; |
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res->callback_param1 = 0; |
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86 |
res->callback_param2 = 0; |
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87 |
res->last_value = 0; |
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88 |
res->trigger = 0; |
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89 |
res->reseed = 0; |
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res->count = 0; |
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91 |
} |
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92 |
|
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93 |
|
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94 |
SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile) |
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95 |
{ |
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96 |
ResolverObject object; |
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97 |
const SpriteGroup *group; |
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98 |
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99 |
NewCanalResolver(&object, tile); |
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100 |
|
9724
b39bc69bb2f2
(svn r12051) [NoAI] -Sync: with trunk (r11795:12050).
rubidium
parents:
9723
diff
changeset
|
101 |
group = Resolve(_water_feature[feature].group, &object); |
9620
31e38d28a0af
(svn r9816) [NoAI] -Sync with trunk r9712:9815 except r9759 (MorphOS threading) because that needs special attention.
rubidium
parents:
diff
changeset
|
102 |
if (group == NULL || group->type != SGT_RESULT) return 0; |
31e38d28a0af
(svn r9816) [NoAI] -Sync with trunk r9712:9815 except r9759 (MorphOS threading) because that needs special attention.
rubidium
parents:
diff
changeset
|
103 |
|
31e38d28a0af
(svn r9816) [NoAI] -Sync with trunk r9712:9815 except r9759 (MorphOS threading) because that needs special attention.
rubidium
parents:
diff
changeset
|
104 |
return group->g.result.sprite; |
31e38d28a0af
(svn r9816) [NoAI] -Sync with trunk r9712:9815 except r9759 (MorphOS threading) because that needs special attention.
rubidium
parents:
diff
changeset
|
105 |
} |