mirror of
https://github.com/TerryCavanagh/VVVVVV.git
synced 2024-06-16 09:38:29 +02:00
6a3a1fe147
Apparently in C, if you have `void test();`, it's completely okay to do `test(2);`. The function will take in the argument, but just discard it and throw it away. It's like a trash can, and a rude one at that. If you declare it like `void test(void);`, this is prevented. This is not a problem in C++ - doing `void test();` and `test(2);` is guaranteed to result in a compile error (this also means that right now, at least in all `.cpp` files, nobody is ever calling a void parameter function with arguments and having their arguments be thrown away). However, we may not be using C++ in the future, so I just want to lay down the precedent that if a function takes in no arguments, you must explicitly declare it as such. I would've added `-Wstrict-prototypes`, but it produces an annoying warning message saying it doesn't work in C++ mode if you're compiling in C++ mode. So it can be added later.
159 lines
3.1 KiB
C
159 lines
3.1 KiB
C
#include <stdint.h>
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#include "MakeAndPlay.h"
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#define UNUSED(expr) (void)(expr)
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#ifdef MAKEANDPLAY
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#ifdef STEAM_NETWORK
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#undef STEAM_NETWORK
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#endif
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#ifdef GOG_NETWORK
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#undef GOG_NETWORK
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#endif
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#endif
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#ifdef STEAM_NETWORK
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#define STEAM_NUM 1
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#else
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#define STEAM_NUM 0
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#endif
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#ifdef GOG_NETWORK
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#define GOG_NUM 1
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#else
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#define GOG_NUM 0
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#endif
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#define NUM_BACKENDS (STEAM_NUM+GOG_NUM)
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#define DECLARE_BACKEND(name) \
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int32_t name##_init(void); \
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void name##_shutdown(void); \
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void name##_update(void); \
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void name##_unlockAchievement(const char *name); \
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int32_t name##_getAchievementProgress(const char *name); \
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void name##_setAchievementProgress(const char *name, int32_t stat);
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#ifdef STEAM_NETWORK
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DECLARE_BACKEND(STEAM)
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#endif
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#ifdef GOG_NETWORK
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DECLARE_BACKEND(GOG)
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#endif
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#undef DECLARE_BACKEND
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typedef struct NetworkBackend
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{
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int32_t IsInit;
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int32_t (*Init)(void);
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void (*Shutdown)(void);
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void (*Update)(void);
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void (*UnlockAchievement)(const char*);
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int32_t (*GetAchievementProgress)(const char*);
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void (*SetAchievementProgress)(const char*, int32_t);
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} NetworkBackend;
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#if NUM_BACKENDS > 0
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static NetworkBackend backends[NUM_BACKENDS];
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#endif
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int NETWORK_init(void)
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{
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int32_t any = 0;
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#define ASSIGN_BACKEND(name, index) \
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backends[index].Init = name##_init; \
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backends[index].Shutdown = name##_shutdown; \
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backends[index].Update = name##_update; \
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backends[index].UnlockAchievement = name##_unlockAchievement; \
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backends[index].GetAchievementProgress = name##_getAchievementProgress; \
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backends[index].SetAchievementProgress = name##_setAchievementProgress;
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#ifdef STEAM_NETWORK
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ASSIGN_BACKEND(STEAM, 0)
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#endif
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#ifdef GOG_NETWORK
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ASSIGN_BACKEND(GOG, STEAM_NUM)
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#endif
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#undef ASSIGN_BACKEND
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#if NUM_BACKENDS > 0
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int32_t i;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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{
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backends[i].IsInit = backends[i].Init();
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any |= backends[i].IsInit;
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}
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#endif
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return any;
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}
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void NETWORK_shutdown(void)
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{
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#if NUM_BACKENDS > 0
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int32_t i;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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if (backends[i].IsInit)
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{
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backends[i].Shutdown();
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}
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#endif
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}
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void NETWORK_update(void)
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{
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#if NUM_BACKENDS > 0
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int32_t i;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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if (backends[i].IsInit)
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{
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backends[i].Update();
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}
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#endif
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}
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void NETWORK_unlockAchievement(const char *name)
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{
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#if NUM_BACKENDS > 0
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int32_t i;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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if (backends[i].IsInit)
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{
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backends[i].UnlockAchievement(name);
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}
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#else
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UNUSED(name);
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#endif
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}
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int32_t NETWORK_getAchievementProgress(const char *name)
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{
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/* The highest stat gets priority, will eventually pass to the others */
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int32_t max = 0;
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#if NUM_BACKENDS > 0
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int32_t i, stat;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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if (backends[i].IsInit)
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{
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stat = backends[i].GetAchievementProgress(name);
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if (stat > max)
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{
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max = stat;
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}
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}
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#else
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UNUSED(name);
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#endif
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return max;
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}
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void NETWORK_setAchievementProgress(const char *name, int32_t stat)
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{
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#if NUM_BACKENDS > 0
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int32_t i;
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for (i = 0; i < NUM_BACKENDS; i += 1)
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if (backends[i].IsInit)
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{
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backends[i].SetAchievementProgress(name, stat);
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}
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#else
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UNUSED(name);
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UNUSED(stat);
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#endif
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}
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