author | rubidium |
Sun, 22 Apr 2007 19:06:48 +0000 | |
branch | noai |
changeset 9601 | b499fdd106d5 |
parent 9517 | be1775555bbd |
child 9624 | b71483f2330f |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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9505 | 3 |
/** @file newgrf_spritegroup.cpp */ |
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||
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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 "macros.h" |
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#include "landscape.h" |
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#include "oldpool.h" |
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#include "newgrf_callbacks.h" |
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#include "newgrf_spritegroup.h" |
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#include "date.h" |
9476 | 14 |
#include "sprite.h" |
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static void SpriteGroupPoolCleanBlock(uint start_item, uint end_item); |
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static uint _spritegroup_count = 0; |
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STATIC_OLD_POOL(SpriteGroup, SpriteGroup, 9, 250, NULL, SpriteGroupPoolCleanBlock) |
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5022 | 21 |
static void DestroySpriteGroup(SpriteGroup *group) |
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{ |
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/* Free dynamically allocated memory */ |
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/* XXX Cast away the consts due to MSVC being buggy... */ |
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switch (group->type) { |
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case SGT_REAL: |
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free((SpriteGroup**)group->g.real.loaded); |
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free((SpriteGroup**)group->g.real.loading); |
4402
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break; |
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case SGT_DETERMINISTIC: |
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free(group->g.determ.adjusts); |
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free(group->g.determ.ranges); |
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break; |
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case SGT_RANDOMIZED: |
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free((SpriteGroup**)group->g.random.groups); |
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break; |
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9476 | 40 |
case SGT_TILELAYOUT: |
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free((void*)group->g.layout.dts->seq); |
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free(group->g.layout.dts); |
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break; |
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||
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default: |
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break; |
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} |
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} |
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static void SpriteGroupPoolCleanBlock(uint start_item, uint end_item) |
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{ |
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uint i; |
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for (i = start_item; i <= end_item; i++) { |
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DestroySpriteGroup(GetSpriteGroup(i)); |
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} |
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} |
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/* Allocate a new SpriteGroup */ |
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SpriteGroup *AllocateSpriteGroup() |
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{ |
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/* This is totally different to the other pool allocators, as we never remove an item from the pool. */ |
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if (_spritegroup_count == GetSpriteGroupPoolSize()) { |
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if (!AddBlockToPool(&_SpriteGroup_pool)) return NULL; |
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} |
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return GetSpriteGroup(_spritegroup_count++); |
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} |
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void InitializeSpriteGroupPool() |
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{ |
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CleanPool(&_SpriteGroup_pool); |
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_spritegroup_count = 0; |
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} |
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static uint32 _temp_store[0x110]; |
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80 |
|
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81 |
|
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static inline uint32 GetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available) |
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{ |
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/* Return common variables */ |
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85 |
switch (variable) { |
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(svn r6013) -Fix: some newgrf properties returned the date in the new format where the newgrf's expect the original format. Thanks to michi_cc for finding these and providing the initial patch.
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case 0x00: return max(_date - DAYS_TILL_ORIGINAL_BASE_YEAR, 0); |
4322
0bee6d9bc452
(svn r5975) -Cleanup: use ORIGINAL_BASE_YEAR & ORIGINAL_MAX_YEAR where the functions really depend on the original date format.
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case 0x01: return clamp(_cur_year, ORIGINAL_BASE_YEAR, ORIGINAL_MAX_YEAR) - ORIGINAL_BASE_YEAR; |
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case 0x02: return _cur_month; |
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case 0x03: return _opt.landscape; |
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90 |
case 0x09: return _date_fract; |
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case 0x0A: return _tick_counter; |
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case 0x0C: return object->callback; |
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case 0x10: return object->callback_param1; |
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94 |
case 0x11: return 0; |
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95 |
case 0x18: return object->callback_param2; |
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691082ee15fb
(svn r8058) -Codechange: Replaced an occurence of (uint32)-1 by UINT_MAX
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96 |
case 0x1A: return UINT_MAX; |
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97 |
case 0x1B: return GB(_display_opt, 0, 6); |
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98 |
case 0x1C: return object->last_value; |
9517 | 99 |
case 0x20: return _opt.landscape == LT_ARCTIC ? GetSnowLine() : 0xFF; |
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100 |
|
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101 |
case 0x7D: return _temp_store[parameter]; |
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102 |
|
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103 |
/* Not a common variable, so evalute the feature specific variables */ |
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104 |
default: return object->GetVariable(object, variable, parameter, available); |
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105 |
} |
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106 |
} |
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107 |
|
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108 |
|
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109 |
/* Evaluate an adjustment for a variable of the given size. |
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110 |
* U is the unsigned type and S is the signed type to use. */ |
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111 |
template <typename U, typename S> |
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112 |
static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, U last_value, uint32 value) |
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113 |
{ |
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114 |
value >>= adjust->shift_num; |
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115 |
value &= adjust->and_mask; |
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116 |
|
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|
117 |
if (adjust->type != DSGA_TYPE_NONE) value += (S)adjust->add_val; |
ea65a6afdc43
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|
118 |
|
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|
119 |
switch (adjust->type) { |
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|
120 |
case DSGA_TYPE_DIV: value /= (S)adjust->divmod_val; break; |
ea65a6afdc43
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|
121 |
case DSGA_TYPE_MOD: value %= (U)adjust->divmod_val; break; |
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|
122 |
case DSGA_TYPE_NONE: break; |
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|
123 |
} |
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|
124 |
|
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|
125 |
switch (adjust->operation) { |
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|
126 |
case DSGA_OP_ADD: return last_value + value; |
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|
127 |
case DSGA_OP_SUB: return last_value - value; |
5852
cb3f71b16e1a
(svn r8055) -Codechange: Replace the different max, dmax, maxu whatever macros by a simple template function max(), that requires two arguments of the same type. While I'm at it change a variable called "max" to "maxval" in a function that calls max().
celestar
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|
128 |
case DSGA_OP_SMIN: return min((S)last_value, (S)value); |
cb3f71b16e1a
(svn r8055) -Codechange: Replace the different max, dmax, maxu whatever macros by a simple template function max(), that requires two arguments of the same type. While I'm at it change a variable called "max" to "maxval" in a function that calls max().
celestar
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|
129 |
case DSGA_OP_SMAX: return max((S)last_value, (S)value); |
5851
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|
130 |
case DSGA_OP_UMIN: return min((U)last_value, (U)value); |
ea65a6afdc43
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|
131 |
case DSGA_OP_UMAX: return max((U)last_value, (U)value); |
5857
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|
132 |
case DSGA_OP_SDIV: return (S)last_value / (S)value; |
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|
133 |
case DSGA_OP_SMOD: return (S)last_value % (S)value; |
5851
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|
134 |
case DSGA_OP_UDIV: return (U)last_value / (U)value; |
ea65a6afdc43
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|
135 |
case DSGA_OP_UMOD: return (U)last_value % (U)value; |
ea65a6afdc43
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|
136 |
case DSGA_OP_MUL: return last_value * value; |
ea65a6afdc43
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|
137 |
case DSGA_OP_AND: return last_value & value; |
ea65a6afdc43
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|
138 |
case DSGA_OP_OR: return last_value | value; |
ea65a6afdc43
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|
139 |
case DSGA_OP_XOR: return last_value ^ value; |
9601
b499fdd106d5
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rubidium
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|
140 |
case DSGA_OP_STO: |
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|
141 |
if (value < lengthof(_temp_store)) _temp_store[value] = last_value; |
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|
142 |
return last_value; |
b499fdd106d5
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rubidium
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|
143 |
case DSGA_OP_RST: return value; |
5851
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|
144 |
default: return value; |
ea65a6afdc43
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|
145 |
} |
3677
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|
146 |
} |
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|
147 |
|
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|
148 |
|
3686
55efe6da4dfb
(svn r4611) - NewGRF: introduce new vehicle sprite group resolver code. This also fixes some known bugs (e.g. the 'Standard Five' in UKRS is now the correct colour)
peter1138
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|
149 |
static inline const SpriteGroup *ResolveVariable(const SpriteGroup *group, ResolverObject *object) |
3677
cb6659a684b5
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|
150 |
{ |
cb6659a684b5
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|
151 |
static SpriteGroup nvarzero; |
5858
dfe44c585495
(svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138
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|
152 |
uint32 last_value = 0; |
5857
5ef1679ad1e4
(svn r8062) -Codechange: change newgrf varaction2 value from signed to unsigned
peter1138
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|
153 |
uint32 value = 0; |
3677
cb6659a684b5
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peter1138
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|
154 |
uint i; |
cb6659a684b5
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peter1138
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|
155 |
|
cb6659a684b5
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peter1138
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|
156 |
object->scope = group->g.determ.var_scope; |
cb6659a684b5
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|
157 |
|
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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changeset
|
158 |
for (i = 0; i < group->g.determ.num_adjusts; i++) { |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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changeset
|
159 |
DeterministicSpriteGroupAdjust *adjust = &group->g.determ.adjusts[i]; |
3893
46169364701b
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|
160 |
|
46169364701b
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peter1138
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|
161 |
/* Try to get the variable. We shall assume it is available, unless told otherwise. */ |
46169364701b
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peter1138
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|
162 |
bool available = true; |
5868
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
parents:
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diff
changeset
|
163 |
if (adjust->variable == 0x7E) { |
5873
ef74899fd5d7
(svn r8081) -Fix (r8075): Use a copy of the resolver object instead of the using the existing one. This fixes problems with the object scope setting.
peter1138
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diff
changeset
|
164 |
ResolverObject subobject = *object; |
ef74899fd5d7
(svn r8081) -Fix (r8075): Use a copy of the resolver object instead of the using the existing one. This fixes problems with the object scope setting.
peter1138
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diff
changeset
|
165 |
const SpriteGroup *subgroup = Resolve(adjust->subroutine, &subobject); |
5868
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
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changeset
|
166 |
if (subgroup == NULL || subgroup->type != SGT_CALLBACK) { |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
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|
167 |
value = CALLBACK_FAILED; |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
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|
168 |
} else { |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
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|
169 |
value = subgroup->g.callback.result; |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
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|
170 |
} |
baa704b6dc4f
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maedhros
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changeset
|
171 |
} else { |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
parents:
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|
172 |
value = GetVariable(object, adjust->variable, adjust->parameter, &available); |
baa704b6dc4f
(svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros
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changeset
|
173 |
} |
3893
46169364701b
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peter1138
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changeset
|
174 |
|
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
parents:
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diff
changeset
|
175 |
if (!available) { |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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|
176 |
/* Unsupported property: skip further processing and return either |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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|
177 |
* the group from the first range or the default group. */ |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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|
178 |
return Resolve(group->g.determ.num_ranges > 0 ? group->g.determ.ranges[0].group : group->g.determ.default_group, object); |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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|
179 |
} |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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changeset
|
180 |
|
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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diff
changeset
|
181 |
switch (group->g.determ.size) { |
5851
ea65a6afdc43
(svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138
parents:
5838
diff
changeset
|
182 |
case DSG_SIZE_BYTE: value = EvalAdjustT<uint8, int8>(adjust, last_value, value); break; |
ea65a6afdc43
(svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138
parents:
5838
diff
changeset
|
183 |
case DSG_SIZE_WORD: value = EvalAdjustT<uint16, int16>(adjust, last_value, value); break; |
ea65a6afdc43
(svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138
parents:
5838
diff
changeset
|
184 |
case DSG_SIZE_DWORD: value = EvalAdjustT<uint32, int32>(adjust, last_value, value); break; |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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diff
changeset
|
185 |
default: NOT_REACHED(); break; |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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diff
changeset
|
186 |
} |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
187 |
last_value = value; |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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changeset
|
188 |
} |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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diff
changeset
|
189 |
|
5858
dfe44c585495
(svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138
parents:
5857
diff
changeset
|
190 |
object->last_value = last_value; |
dfe44c585495
(svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138
parents:
5857
diff
changeset
|
191 |
|
3893
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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changeset
|
192 |
if (group->g.determ.num_ranges == 0) { |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
parents:
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diff
changeset
|
193 |
/* nvar == 0 is a special case -- we turn our value into a callback result */ |
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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diff
changeset
|
194 |
nvarzero.type = SGT_CALLBACK; |
3942
18f75e002a09
(svn r5087) - NewGRF: Fix thinko in returning a calculated callback result
peter1138
parents:
3893
diff
changeset
|
195 |
nvarzero.g.callback.result = GB(value, 0, 15); |
3893
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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|
196 |
return &nvarzero; |
46169364701b
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peter1138
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changeset
|
197 |
} |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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changeset
|
198 |
|
3893
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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changeset
|
199 |
for (i = 0; i < group->g.determ.num_ranges; i++) { |
5857
5ef1679ad1e4
(svn r8062) -Codechange: change newgrf varaction2 value from signed to unsigned
peter1138
parents:
5855
diff
changeset
|
200 |
if (group->g.determ.ranges[i].low <= value && value <= group->g.determ.ranges[i].high) { |
3893
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
parents:
3861
diff
changeset
|
201 |
return Resolve(group->g.determ.ranges[i].group, object); |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
202 |
} |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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diff
changeset
|
203 |
} |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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diff
changeset
|
204 |
|
3893
46169364701b
(svn r4960) - NewGRF: explicitly handle unsupported variables, instead of returning -1.
peter1138
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diff
changeset
|
205 |
return Resolve(group->g.determ.default_group, object); |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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diff
changeset
|
206 |
} |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
207 |
|
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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diff
changeset
|
208 |
|
3686
55efe6da4dfb
(svn r4611) - NewGRF: introduce new vehicle sprite group resolver code. This also fixes some known bugs (e.g. the 'Standard Five' in UKRS is now the correct colour)
peter1138
parents:
3681
diff
changeset
|
209 |
static inline const SpriteGroup *ResolveRandom(const SpriteGroup *group, ResolverObject *object) |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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changeset
|
210 |
{ |
3753
aa15896bc569
(svn r4741) - NewGRF: use the correct variable type for the random bit mask
peter1138
parents:
3734
diff
changeset
|
211 |
uint32 mask; |
3677
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
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diff
changeset
|
212 |
byte index; |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
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diff
changeset
|
213 |
|
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
214 |
object->scope = group->g.random.var_scope; |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
215 |
|
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
216 |
if (object->trigger != 0) { |
cb6659a684b5
(svn r4594) - NewGRF: introduce the basic sprite group resolver. This code isn't used yet.
peter1138
parents:
3668
diff
changeset
|
217 |
/* Handle triggers */ |
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/* Magic code that may or may not do the right things... */ |
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byte waiting_triggers = object->GetTriggers(object); |
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byte match = group->g.random.triggers & (waiting_triggers | object->trigger); |
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bool res; |
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|
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res = (group->g.random.cmp_mode == RSG_CMP_ANY) ? |
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(match != 0) : (match == group->g.random.triggers); |
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|
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if (res) { |
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waiting_triggers &= ~match; |
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object->reseed |= (group->g.random.num_groups - 1) << group->g.random.lowest_randbit; |
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} else { |
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waiting_triggers |= object->trigger; |
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} |
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|
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object->SetTriggers(object, waiting_triggers); |
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} |
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|
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mask = (group->g.random.num_groups - 1) << group->g.random.lowest_randbit; |
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index = (object->GetRandomBits(object) & mask) >> group->g.random.lowest_randbit; |
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return Resolve(group->g.random.groups[index], object); |
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} |
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|
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/* ResolverObject (re)entry point */ |
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const SpriteGroup *Resolve(const SpriteGroup *group, ResolverObject *object) |
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{ |
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/* We're called even if there is no group, so quietly return nothing */ |
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if (group == NULL) return NULL; |
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switch (group->type) { |
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case SGT_REAL: return object->ResolveReal(object, group); |
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case SGT_DETERMINISTIC: return ResolveVariable(group, object); |
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case SGT_RANDOMIZED: return ResolveRandom(group, object); |
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default: return group; |
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} |
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} |