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GBA Input: Add GBAInputMapKeyBits for packed key information

This commit is contained in:
Jeffrey Pfau 2015-07-26 11:19:10 -07:00
parent 036784e49f
commit 33b66e5d44
2 changed files with 15 additions and 0 deletions
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14
src/gba/input.c
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@ -348,6 +348,20 @@ enum GBAKey GBAInputMapKey(const struct GBAInputMap* map, uint32_t type, int key
return GBA_KEY_NONE; return GBA_KEY_NONE;
} }
int GBAInputMapKeyBits(const struct GBAInputMap* map, uint32_t type, uint32_t bits, unsigned offset) {
int keys = 0;
for (; bits; bits >>= 1, ++offset) {
if (bits & 1) {
enum GBAKey key = GBAInputMapKey(map, type, offset);
if (key == GBA_KEY_NONE) {
continue;
}
keys |= 1 << key;
}
}
return keys;
}
void GBAInputBindKey(struct GBAInputMap* map, uint32_t type, int key, enum GBAKey input) { void GBAInputBindKey(struct GBAInputMap* map, uint32_t type, int key, enum GBAKey input) {
struct GBAInputMapImpl* impl = _guaranteeMap(map, type); struct GBAInputMapImpl* impl = _guaranteeMap(map, type);
GBAInputUnbindKey(map, type, input); GBAInputUnbindKey(map, type, input);

1
src/gba/input.h
View File

@ -30,6 +30,7 @@ void GBAInputMapInit(struct GBAInputMap*);
void GBAInputMapDeinit(struct GBAInputMap*); void GBAInputMapDeinit(struct GBAInputMap*);
enum GBAKey GBAInputMapKey(const struct GBAInputMap*, uint32_t type, int key); enum GBAKey GBAInputMapKey(const struct GBAInputMap*, uint32_t type, int key);
int GBAInputMapKeyBits(const struct GBAInputMap* map, uint32_t type, uint32_t bits, unsigned offset);
void GBAInputBindKey(struct GBAInputMap*, uint32_t type, int key, enum GBAKey input); void GBAInputBindKey(struct GBAInputMap*, uint32_t type, int key, enum GBAKey input);
void GBAInputUnbindKey(struct GBAInputMap*, uint32_t type, enum GBAKey input); void GBAInputUnbindKey(struct GBAInputMap*, uint32_t type, enum GBAKey input);
int GBAInputQueryBinding(const struct GBAInputMap*, uint32_t type, enum GBAKey input); int GBAInputQueryBinding(const struct GBAInputMap*, uint32_t type, enum GBAKey input);