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-rw-r--r--src/newgrf_config.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/src/newgrf_config.h b/src/newgrf_config.h
index 588d8b826..ea1b4d7ff 100644
--- a/src/newgrf_config.h
+++ b/src/newgrf_config.h
@@ -14,6 +14,7 @@
#include "strings_type.h"
#include "core/alloc_type.hpp"
+#include "core/smallmap_type.hpp"
/** GRF config bit flags */
enum GCF_Flags {
@@ -99,6 +100,29 @@ struct GRFError : ZeroedMemoryAllocator {
uint32 param_value[2]; ///< Values of GRF parameters to show for message and custom_message
};
+/** The possible types of a newgrf parameter. */
+enum GRFParameterType {
+ PTYPE_UINT_ENUM, ///< The parameter allows a range of numbers, each of which can have a special name
+ PTYPE_BOOL, ///< The parameter is either 0 or 1
+ PTYPE_END, ///< Invalid parameter type
+};
+
+/** Information about one grf parameter. */
+struct GRFParameterInfo {
+ GRFParameterInfo(uint nr);
+ GRFParameterInfo(GRFParameterInfo &info);
+ ~GRFParameterInfo();
+ struct GRFText *name; ///< The name of this parameter
+ struct GRFText *desc; ///< The description of this parameter
+ GRFParameterType type; ///< The type of this parameter
+ uint32 min_value; ///< The minimal value this parameter can have
+ uint32 max_value; ///< The maximal value of this parameter
+ byte param_nr; ///< GRF parameter to store content in
+ byte first_bit; ///< First bit to use in the GRF parameter
+ byte num_bit; ///< Number of bits to use for this parameter
+ SmallMap<uint32, struct GRFText *, 8> value_names; ///< Names for each value.
+};
+
/** Information about GRF, used in the game and (part of it) in savegames */
struct GRFConfig : ZeroedMemoryAllocator {
GRFConfig(const char *filename = NULL);
@@ -119,6 +143,7 @@ struct GRFConfig : ZeroedMemoryAllocator {
uint8 num_params; ///< Number of used parameters
uint8 num_valid_params; ///< NOSAVE: Number of valid parameters (action 0x14)
uint8 palette; ///< GRFPalette, bitset
+ SmallVector<GRFParameterInfo *, 4> param_info; ///< NOSAVE: extra information about the parameters
struct GRFConfig *next; ///< NOSAVE: Next item in the linked list