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annotate src/newgrf_spritegroup.cpp @ 20307:93d7e37bd666 draft

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(svn r25259) -Codechange: track capacities and usage of links
author rubidium <rubidium@openttd.org>
date Sun, 19 May 2013 14:22:04 +0000
parents 0dba7f49118c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* $Id$ */
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2
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3 /*
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4 * This file is part of OpenTTD.
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5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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8 */
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9
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10 /** @file newgrf_spritegroup.cpp Handling of primarily NewGRF action 2. */
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11
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12 #include "stdafx.h"
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13 #include "debug.h"
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14 #include "newgrf_spritegroup.h"
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15 #include "core/pool_func.hpp"
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16
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17 SpriteGroupPool _spritegroup_pool("SpriteGroup");
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18 INSTANTIATE_POOL_METHODS(SpriteGroup)
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19
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20 RealSpriteGroup::~RealSpriteGroup()
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21 {
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22 free(this->loaded);
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23 free(this->loading);
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24 }
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25
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26 DeterministicSpriteGroup::~DeterministicSpriteGroup()
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27 {
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28 free(this->adjusts);
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29 free(this->ranges);
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30 }
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32 RandomizedSpriteGroup::~RandomizedSpriteGroup()
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33 {
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34 free(this->groups);
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35 }
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36
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37 TemporaryStorageArray<int32, 0x110> _temp_store;
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40 static inline uint32 GetVariable(const ResolverObject *object, ScopeResolver *scope, byte variable, uint32 parameter, bool *available)
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41 {
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42 /* First handle variables common with Action7/9/D */
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43 uint32 value;
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44 if (GetGlobalVariable(variable, &value, object->grffile)) return value;
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45
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46 /* Non-common variable */
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47 switch (variable) {
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48 case 0x0C: return object->callback;
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49 case 0x10: return object->callback_param1;
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50 case 0x18: return object->callback_param2;
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51 case 0x1C: return object->last_value;
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52
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53 case 0x5F: return (scope->GetRandomBits() << 8) | scope->GetTriggers();
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54
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55 case 0x7D: return _temp_store.GetValue(parameter);
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56
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57 case 0x7F:
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58 if (object == NULL || object->grffile == NULL) return 0;
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59 return object->grffile->GetParam(parameter);
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60
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61 /* Not a common variable, so evaluate the feature specific variables */
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62 default: return scope->GetVariable(variable, parameter, available);
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63 }
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64 }
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65
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66 ScopeResolver::ScopeResolver(ResolverObject *ro)
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67 {
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68 this->ro = ro;
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69 }
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70
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71 ScopeResolver::~ScopeResolver() {}
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72
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73 /**
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74 * Get a few random bits. Default implementation has no random bits.
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75 * @return Random bits.
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76 */
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77 /* virtual */ uint32 ScopeResolver::GetRandomBits() const
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78 {
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79 return 0;
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80 }
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81
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82 /**
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83 * Get the triggers. Base class returns \c 0 to prevent trouble.
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84 * @return The triggers.
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85 */
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86 /* virtual */ uint32 ScopeResolver::GetTriggers() const
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87 {
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88 return 0;
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89 }
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90
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91 /**
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92 * Set the triggers. Base class implementation does nothing.
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93 * @param triggers Triggers to set.
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94 */
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95 /* virtual */ void ScopeResolver::SetTriggers(int triggers) const {}
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96
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97 /**
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98 * Get a variable value. Default implementation has no available variables.
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99 * @param variable Variable to read
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100 * @param parameter Parameter for 60+x variables
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101 * @param[out] available Set to false, in case the variable does not exist.
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102 * @return Value
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103 */
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104 /* virtual */ uint32 ScopeResolver::GetVariable(byte variable, uint32 parameter, bool *available) const
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105 {
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106 DEBUG(grf, 1, "Unhandled scope variable 0x%X", variable);
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107 *available = false;
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parents: 18891
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108 return UINT_MAX;
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
109 }
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
110
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
111 /**
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
112 * Store a value into the persistent storage area (PSA). Default implementation does nothing (for newgrf classes without storage).
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
113 * @param pos Position to store into.
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
114 * @param value Value to store.
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
115 */
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
116 /* virtual */ void ScopeResolver::StorePSA(uint reg, int32 value) {}
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
117
19760
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
118 /**
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
119 * Resolver constructor.
19968
0dba7f49118c (svn r24900) -Fix [FS#5389]: Comments with typos (most fixes supplied by Eagle_rainbow)
planetmaker <planetmaker@openttd.org>
parents: 19762
diff changeset
120 * @param grffile NewGRF file associated with the object (or \c NULL if none).
19760
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
121 * @param callback Callback code being resolved (default value is #CBID_NO_CALLBACK).
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
122 * @param callback_param1 First parameter (var 10) of the callback (only used when \a callback is also set).
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
123 * @param callback_param2 Second parameter (var 18) of the callback (only used when \a callback is also set).
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
124 */
19746
65c85e05d795 (svn r24679) -Codechange: Add resolver classes for towns.
alberth <alberth@openttd.org>
parents: 19745
diff changeset
125 ResolverObject::ResolverObject(const GRFFile *grffile, CallbackID callback, uint32 callback_param1, uint32 callback_param2)
19759
a0cb237a6924 (svn r24692) -Cleanup: Cleanup final parts of the old resolver code.
alberth <alberth@openttd.org>
parents: 19746
diff changeset
126 : default_scope(this)
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
127 {
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
128 this->callback = callback;
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
129 this->callback_param1 = callback_param1;
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
130 this->callback_param2 = callback_param2;
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
131 this->ResetState();
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
132
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
133 this->grffile = grffile;
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
134 }
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
135
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
136 ResolverObject::~ResolverObject() {}
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
137
19760
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
138 /**
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
139 * Get the real sprites of the grf.
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
140 * @param group Group to get.
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
141 * @return The available sprite group.
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
142 */
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
143 /* virtual */ const SpriteGroup *ResolverObject::ResolveReal(const RealSpriteGroup *group) const
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
144 {
19759
a0cb237a6924 (svn r24692) -Cleanup: Cleanup final parts of the old resolver code.
alberth <alberth@openttd.org>
parents: 19746
diff changeset
145 return NULL;
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
146 }
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
147
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
148 /**
19760
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
149 * Get a resolver for the \a scope.
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
150 * @param scope Scope to return.
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alberth <alberth@openttd.org>
parents: 18891
diff changeset
151 * @param relative Additional parameter for #VSG_SCOPE_RELATIVE.
19760
a8afd1ad99d8 (svn r24693) -Doc: Add some doxymentation into the newgrf code.
alberth <alberth@openttd.org>
parents: 19759
diff changeset
152 * @return The resolver for the requested scope.
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
153 */
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
154 /* virtual */ ScopeResolver *ResolverObject::GetScope(VarSpriteGroupScope scope, byte relative)
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
155 {
19759
a0cb237a6924 (svn r24692) -Cleanup: Cleanup final parts of the old resolver code.
alberth <alberth@openttd.org>
parents: 19746
diff changeset
156 return &this->default_scope;
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
157 }
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
158
7612
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
159 /**
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
160 * Rotate val rot times to the right
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
161 * @param val the value to rotate
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
162 * @param rot the amount of times to rotate
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
163 * @return the rotated value
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rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
164 */
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
165 static uint32 RotateRight(uint32 val, uint32 rot)
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
166 {
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
167 /* Do not rotate more than necessary */
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
168 rot %= 32;
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
169
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rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
170 return (val >> rot) | (val << (32 - rot));
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
171 }
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
172
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
173
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
174 /* Evaluate an adjustment for a variable of the given size.
11361
02313cc6114e (svn r15711) -Codechange: lots of whitespace cleanup/fixes
rubidium <rubidium@openttd.org>
parents: 10960
diff changeset
175 * U is the unsigned type and S is the signed type to use. */
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
176 template <typename U, typename S>
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
177 static U EvalAdjustT(const DeterministicSpriteGroupAdjust *adjust, ScopeResolver *scope, U last_value, uint32 value)
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
178 {
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
179 value >>= adjust->shift_num;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
180 value &= adjust->and_mask;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
181
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
182 if (adjust->type != DSGA_TYPE_NONE) value += (S)adjust->add_val;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
183
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
184 switch (adjust->type) {
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
185 case DSGA_TYPE_DIV: value /= (S)adjust->divmod_val; break;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
186 case DSGA_TYPE_MOD: value %= (U)adjust->divmod_val; break;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
187 case DSGA_TYPE_NONE: break;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
188 }
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
189
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
190 switch (adjust->operation) {
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
191 case DSGA_OP_ADD: return last_value + value;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
192 case DSGA_OP_SUB: return last_value - value;
5601
ca6b459bf488 (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 <celestar@openttd.org>
parents: 5600
diff changeset
193 case DSGA_OP_SMIN: return min((S)last_value, (S)value);
ca6b459bf488 (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 <celestar@openttd.org>
parents: 5600
diff changeset
194 case DSGA_OP_SMAX: return max((S)last_value, (S)value);
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
195 case DSGA_OP_UMIN: return min((U)last_value, (U)value);
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
196 case DSGA_OP_UMAX: return max((U)last_value, (U)value);
6617
bfd51a1acb47 (svn r9837) -Fix: [NewGRF] Catch occurance of division-by-zero in varaction handling.
peter1138 <peter1138@openttd.org>
parents: 6521
diff changeset
197 case DSGA_OP_SDIV: return value == 0 ? (S)last_value : (S)last_value / (S)value;
bfd51a1acb47 (svn r9837) -Fix: [NewGRF] Catch occurance of division-by-zero in varaction handling.
peter1138 <peter1138@openttd.org>
parents: 6521
diff changeset
198 case DSGA_OP_SMOD: return value == 0 ? (S)last_value : (S)last_value % (S)value;
bfd51a1acb47 (svn r9837) -Fix: [NewGRF] Catch occurance of division-by-zero in varaction handling.
peter1138 <peter1138@openttd.org>
parents: 6521
diff changeset
199 case DSGA_OP_UDIV: return value == 0 ? (U)last_value : (U)last_value / (U)value;
bfd51a1acb47 (svn r9837) -Fix: [NewGRF] Catch occurance of division-by-zero in varaction handling.
peter1138 <peter1138@openttd.org>
parents: 6521
diff changeset
200 case DSGA_OP_UMOD: return value == 0 ? (U)last_value : (U)last_value % (U)value;
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
201 case DSGA_OP_MUL: return last_value * value;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
202 case DSGA_OP_AND: return last_value & value;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
203 case DSGA_OP_OR: return last_value | value;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
204 case DSGA_OP_XOR: return last_value ^ value;
17779
c4ca794c8396 (svn r22564) -Codechange: Rename Get and Store persistent storage functions to GetValue and StoreValue.
terkhen <terkhen@openttd.org>
parents: 17778
diff changeset
205 case DSGA_OP_STO: _temp_store.StoreValue((U)value, (S)last_value); return last_value;
6521
9aecb1a6dea5 (svn r9707) -Codechange: Add some support for NewGRF var 7D, temporary storage array.
peter1138 <peter1138@openttd.org>
parents: 6357
diff changeset
206 case DSGA_OP_RST: return value;
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
207 case DSGA_OP_STOP: scope->StorePSA((U)value, (S)last_value); return last_value;
7612
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
208 case DSGA_OP_ROR: return RotateRight(last_value, value);
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
209 case DSGA_OP_SCMP: return ((S)last_value == (S)value) ? 1 : ((S)last_value < (S)value ? 0 : 2);
967884079cd0 (svn r11141) -Codechange: add support for NewGRF's varaction2 operators 11, 12 and 13.
rubidium <rubidium@openttd.org>
parents: 7610
diff changeset
210 case DSGA_OP_UCMP: return ((U)last_value == (U)value) ? 1 : ((U)last_value < (U)value ? 0 : 2);
15668
433a5dc96551 (svn r20333) -Fix (r20332): Mask second operand to 5 bits to avoid differences between platforms.
frosch <frosch@openttd.org>
parents: 15667
diff changeset
211 case DSGA_OP_SHL: return (U)last_value << ((U)value & 0x1F); // mask 'value' to 5 bits, which should behave the same on all architectures.
433a5dc96551 (svn r20333) -Fix (r20332): Mask second operand to 5 bits to avoid differences between platforms.
frosch <frosch@openttd.org>
parents: 15667
diff changeset
212 case DSGA_OP_SHR: return (U)last_value >> ((U)value & 0x1F);
433a5dc96551 (svn r20333) -Fix (r20332): Mask second operand to 5 bits to avoid differences between platforms.
frosch <frosch@openttd.org>
parents: 15667
diff changeset
213 case DSGA_OP_SAR: return (S)last_value >> ((U)value & 0x1F);
5600
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
214 default: return value;
37c5d98c3fa6 (svn r8054) -Codechange: Use a template function instead of a macro for evaluating NewGRF var adjusts
peter1138 <peter1138@openttd.org>
parents: 5587
diff changeset
215 }
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
216 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
217
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
218
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
219 const SpriteGroup *DeterministicSpriteGroup::Resolve(ResolverObject *object) const
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
220 {
5607
f746786ae8b3 (svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138 <peter1138@openttd.org>
parents: 5606
diff changeset
221 uint32 last_value = 0;
5606
1176330381e4 (svn r8062) -Codechange: change newgrf varaction2 value from signed to unsigned
peter1138 <peter1138@openttd.org>
parents: 5604
diff changeset
222 uint32 value = 0;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
223 uint i;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
224
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
225 ScopeResolver *scope = object->GetScope(this->var_scope);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
226
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
227 for (i = 0; i < this->num_adjusts; i++) {
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
228 DeterministicSpriteGroupAdjust *adjust = &this->adjusts[i];
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
229
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
230 /* Try to get the variable. We shall assume it is available, unless told otherwise. */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
231 bool available = true;
5617
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
232 if (adjust->variable == 0x7E) {
13167
db329fb4c246 (svn r17672) -Revert (r8081): 'last_value' and 'reseed' are shared between procedure and main chain.
frosch <frosch@openttd.org>
parents: 13165
diff changeset
233 const SpriteGroup *subgroup = SpriteGroup::Resolve(adjust->subroutine, object);
11990
db0e49f419d9 (svn r16396) -Codechange: split NewGRF spritegroup into multiple subclasses instead of using a big union
rubidium <rubidium@openttd.org>
parents: 11972
diff changeset
234 if (subgroup == NULL) {
5617
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
235 value = CALLBACK_FAILED;
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
236 } else {
11990
db0e49f419d9 (svn r16396) -Codechange: split NewGRF spritegroup into multiple subclasses instead of using a big union
rubidium <rubidium@openttd.org>
parents: 11972
diff changeset
237 value = subgroup->GetCallbackResult();
5617
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
238 }
13167
db329fb4c246 (svn r17672) -Revert (r8081): 'last_value' and 'reseed' are shared between procedure and main chain.
frosch <frosch@openttd.org>
parents: 13165
diff changeset
239
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
240 /* Note: 'last_value' and 'reseed' are shared between the main chain and the procedure */
16870
35ca0d633732 (svn r21604) -Add: Variable 7B for accessing 60+x variables while taking the parameter from the accumulator.
frosch <frosch@openttd.org>
parents: 16474
diff changeset
241 } else if (adjust->variable == 0x7B) {
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
242 value = GetVariable(object, scope, adjust->parameter, last_value, &available);
5617
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
243 } else {
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
244 value = GetVariable(object, scope, adjust->variable, adjust->parameter, &available);
5617
ef79a2605252 (svn r8075) -Feature: Add support for variable 7E - subroutines. (peter1138)
maedhros <maedhros@openttd.org>
parents: 5607
diff changeset
245 }
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
246
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
247 if (!available) {
16474
17ecbae7d3b4 (svn r21198) -Fix: don't call variables properties in debug messages
rubidium <rubidium@openttd.org>
parents: 15944
diff changeset
248 /* Unsupported variable: skip further processing and return either
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
249 * the group from the first range or the default group. */
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
250 return SpriteGroup::Resolve(this->num_ranges > 0 ? this->ranges[0].group : this->default_group, object);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
251 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
252
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
253 switch (this->size) {
19762
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
254 case DSG_SIZE_BYTE: value = EvalAdjustT<uint8, int8> (adjust, scope, last_value, value); break;
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
255 case DSG_SIZE_WORD: value = EvalAdjustT<uint16, int16>(adjust, scope, last_value, value); break;
a8d6df7f637d (svn r24695) -Fix/Cleanup: Remove remaining (incorrect) usages of ResolverObject::scope and count.
frosch <frosch@openttd.org>
parents: 19760
diff changeset
256 case DSG_SIZE_DWORD: value = EvalAdjustT<uint32, int32>(adjust, scope, last_value, value); break;
12027
54dbb2d04329 (svn r16434) -Cleanup: remove some dead code; primarily stuff that can't be reached like break after returns or break after functions that never return (i.e. NOT_REACHED)
rubidium <rubidium@openttd.org>
parents: 12015
diff changeset
257 default: NOT_REACHED();
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
258 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
259 last_value = value;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
260 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
261
5607
f746786ae8b3 (svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138 <peter1138@openttd.org>
parents: 5606
diff changeset
262 object->last_value = last_value;
f746786ae8b3 (svn r8063) -Codechange: When evaluating newgrf varaction2s the 'last value' should start off at 0, and the result of the operation is remembered.
peter1138 <peter1138@openttd.org>
parents: 5606
diff changeset
263
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
264 if (this->num_ranges == 0) {
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
265 /* nvar == 0 is a special case -- we turn our value into a callback result */
9088
5b5958727985 (svn r12947) -Fix: keep only first 15 bits for non failed callback results
glx <glx@openttd.org>
parents: 9020
diff changeset
266 if (value != CALLBACK_FAILED) value = GB(value, 0, 15);
18300
4161e822c9f8 (svn r23136) -Change: [NewGRF v8] Deprecate old-style callback results 0xFF??.
frosch <frosch@openttd.org>
parents: 18103
diff changeset
267 static CallbackResultSpriteGroup nvarzero(0, true);
11990
db0e49f419d9 (svn r16396) -Codechange: split NewGRF spritegroup into multiple subclasses instead of using a big union
rubidium <rubidium@openttd.org>
parents: 11972
diff changeset
268 nvarzero.result = value;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
269 return &nvarzero;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
270 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
271
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
272 for (i = 0; i < this->num_ranges; i++) {
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
273 if (this->ranges[i].low <= value && value <= this->ranges[i].high) {
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
274 return SpriteGroup::Resolve(this->ranges[i].group, object);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
275 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
276 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
277
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
278 return SpriteGroup::Resolve(this->default_group, object);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
279 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
280
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
281
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
282 const SpriteGroup *RandomizedSpriteGroup::Resolve(ResolverObject *object) const
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
283 {
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
284 ScopeResolver *scope = object->GetScope(this->var_scope, this->count);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
285 if (object->trigger != 0) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
286 /* Handle triggers */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
287 /* Magic code that may or may not do the right things... */
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
288 byte waiting_triggers = scope->GetTriggers();
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
289 byte match = this->triggers & (waiting_triggers | object->trigger);
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
290 bool res = (this->cmp_mode == RSG_CMP_ANY) ? (match != 0) : (match == this->triggers);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
291
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
292 if (res) {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
293 waiting_triggers &= ~match;
17844
91d7b400b453 (svn r22635) -Fix: Correctly reseed random bits of industries and industry tiles.
frosch <frosch@openttd.org>
parents: 17779
diff changeset
294 object->reseed[this->var_scope] |= (this->num_groups - 1) << this->lowest_randbit;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
295 } else {
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
296 waiting_triggers |= object->trigger;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
297 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
298
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
299 scope->SetTriggers(waiting_triggers);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
300 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
301
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
302 uint32 mask = (this->num_groups - 1) << this->lowest_randbit;
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
303 byte index = (scope->GetRandomBits() & mask) >> this->lowest_randbit;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
304
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
305 return SpriteGroup::Resolve(this->groups[index], object);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
306 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
307
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
308
11996
b43cf6c7ea61 (svn r16402) -Codechange: make Resolve a function of SpriteGroup
rubidium <rubidium@openttd.org>
parents: 11990
diff changeset
309 const SpriteGroup *RealSpriteGroup::Resolve(ResolverObject *object) const
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
310 {
19745
3a40c69fc098 (svn r24678) -Codechange: Introduce scope resolver base class and prepare for adding derived classes.
alberth <alberth@openttd.org>
parents: 18891
diff changeset
311 return object->ResolveReal(this);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
312 }
17738
fe79e4216f58 (svn r22518) -Feature: [NewGRF] Advanced sprite layouts with register modifiers.
frosch <frosch@openttd.org>
parents: 17682
diff changeset
313
fe79e4216f58 (svn r22518) -Feature: [NewGRF] Advanced sprite layouts with register modifiers.
frosch <frosch@openttd.org>
parents: 17682
diff changeset
314 /**
fe79e4216f58 (svn r22518) -Feature: [NewGRF] Advanced sprite layouts with register modifiers.
frosch <frosch@openttd.org>
parents: 17682
diff changeset
315 * Process registers and the construction stage into the sprite layout.
fe79e4216f58 (svn r22518) -Feature: [NewGRF] Advanced sprite layouts with register modifiers.
frosch <frosch@openttd.org>
parents: 17682
diff changeset
316 * The passed construction stage might get reset to zero, if it gets incorporated into the layout
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frosch <frosch@openttd.org>
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317 * during the preprocessing.
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318 * @param [in, out] stage Construction stage (0-3), or NULL if not applicable.
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319 * @return sprite layout to draw.
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frosch <frosch@openttd.org>
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320 */
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frosch <frosch@openttd.org>
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321 const DrawTileSprites *TileLayoutSpriteGroup::ProcessRegisters(uint8 *stage) const
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frosch <frosch@openttd.org>
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322 {
18103
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frosch <frosch@openttd.org>
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323 if (!this->dts.NeedsPreprocessing()) {
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frosch <frosch@openttd.org>
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324 if (stage != NULL && this->dts.consistent_max_offset > 0) *stage = GetConstructionStageOffset(*stage, this->dts.consistent_max_offset);
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frosch <frosch@openttd.org>
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325 return &this->dts;
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frosch <frosch@openttd.org>
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326 }
17738
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327
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frosch <frosch@openttd.org>
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328 static DrawTileSprites result;
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frosch <frosch@openttd.org>
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329 uint8 actual_stage = stage != NULL ? *stage : 0;
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frosch <frosch@openttd.org>
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330 this->dts.PrepareLayout(0, 0, 0, actual_stage, false);
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frosch <frosch@openttd.org>
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331 this->dts.ProcessRegisters(0, 0, false);
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frosch <frosch@openttd.org>
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332 result.seq = this->dts.GetLayout(&result.ground);
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frosch <frosch@openttd.org>
parents: 17682
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333
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frosch <frosch@openttd.org>
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334 /* Stage has been processed by PrepareLayout(), set it to zero. */
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frosch <frosch@openttd.org>
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335 if (stage != NULL) *stage = 0;
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frosch <frosch@openttd.org>
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336
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frosch <frosch@openttd.org>
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337 return &result;
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frosch <frosch@openttd.org>
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338 }