Merge pull request #401 from PikalaxALT/pikalax_work

[LEAK-INFORMED] Match and document funcs in unk_02016B94.c

1 files changed, 79 insertions, 1 deletions

diff --git a/arm9/lib/include/GX_g2.h b/arm9/lib/include/GX_g2.h
index 372be12b..97fa0e10 100644
--- a/arm9/lib/include/GX_g2.h
+++ b/arm9/lib/include/GX_g2.h
@@ -4,7 +4,7 @@
 #include "fx.h"
 #include "registers.h"
 
-void G2x_SetBGyAffine_(u32 *ptr, struct Mtx22 *mtx, fx32 a, fx32 b, fx32 c, fx32 d);
+void G2x_SetBGyAffine_(u32 ptr, const struct Mtx22 *mtx, fx32 a, fx32 b, fx32 c, fx32 d);
 void G2x_SetBlendAlpha_(u32 *ptr, fx32 a, fx32 b, fx32 c, fx32 d);
 void G2x_SetBlendBrightness_(u16 *ptr, fx32 a, fx32 brightness);
 void G2x_SetBlendBrightnessExt_(u16 *ptr, fx32 a, fx32 b, fx32 c, fx32 d, fx32 brightness);
@@ -43,6 +43,84 @@ static inline void G2_SetWndOutsidePlane(int wnd, BOOL effect)
     reg_G2_WINOUT = (u16)tmp;
 }
 
+static inline void G2_SetBG0Offset(int hOffset, int vOffset)
+{
+    reg_G2_BG0OFS = (u32)(((hOffset << REG_G2_BG0OFS_HOFFSET_SHIFT) & REG_G2_BG0OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2_BG0OFS_VOFFSET_SHIFT) & REG_G2_BG0OFS_VOFFSET_MASK));
+}
+
+static inline void G2_SetBG1Offset(int hOffset, int vOffset)
+{
+    reg_G2_BG1OFS = (u32)(((hOffset << REG_G2_BG1OFS_HOFFSET_SHIFT) & REG_G2_BG1OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2_BG1OFS_VOFFSET_SHIFT) & REG_G2_BG1OFS_VOFFSET_MASK));
+}
+
+static inline void G2_SetBG2Offset(int hOffset, int vOffset)
+{
+    reg_G2_BG2OFS = (u32)(((hOffset << REG_G2_BG2OFS_HOFFSET_SHIFT) & REG_G2_BG2OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2_BG2OFS_VOFFSET_SHIFT) & REG_G2_BG2OFS_VOFFSET_MASK));
+}
+
+static inline void G2_SetBG3Offset(int hOffset, int vOffset)
+{
+    reg_G2_BG3OFS = (u32)(((hOffset << REG_G2_BG3OFS_HOFFSET_SHIFT) & REG_G2_BG3OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2_BG3OFS_VOFFSET_SHIFT) & REG_G2_BG3OFS_VOFFSET_MASK));
+}
+
+static inline void G2S_SetBG0Offset(int hOffset, int vOffset)
+{
+    reg_G2S_DB_BG0OFS = (u32)(((hOffset << REG_G2S_DB_BG0OFS_HOFFSET_SHIFT) & REG_G2S_DB_BG0OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2S_DB_BG0OFS_VOFFSET_SHIFT) & REG_G2S_DB_BG0OFS_VOFFSET_MASK));
+}
+
+static inline void G2S_SetBG1Offset(int hOffset, int vOffset)
+{
+    reg_G2S_DB_BG1OFS = (u32)(((hOffset << REG_G2S_DB_BG1OFS_HOFFSET_SHIFT) & REG_G2S_DB_BG1OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2S_DB_BG1OFS_VOFFSET_SHIFT) & REG_G2S_DB_BG1OFS_VOFFSET_MASK));
+}
+
+static inline void G2S_SetBG2Offset(int hOffset, int vOffset)
+{
+    reg_G2S_DB_BG2OFS = (u32)(((hOffset << REG_G2S_DB_BG2OFS_HOFFSET_SHIFT) & REG_G2S_DB_BG2OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2S_DB_BG2OFS_VOFFSET_SHIFT) & REG_G2S_DB_BG2OFS_VOFFSET_MASK));
+}
+
+static inline void G2S_SetBG3Offset(int hOffset, int vOffset)
+{
+    reg_G2S_DB_BG3OFS = (u32)(((hOffset << REG_G2S_DB_BG3OFS_HOFFSET_SHIFT) & REG_G2S_DB_BG3OFS_HOFFSET_MASK) |
+                          ((vOffset << REG_G2S_DB_BG3OFS_VOFFSET_SHIFT) & REG_G2S_DB_BG3OFS_VOFFSET_MASK));
+}
+
+static inline void G2_SetBG2Affine(const struct Mtx22 *mtx, int centerX, int centerY, int x1, int y1)
+{
+    G2x_SetBGyAffine_((u32)&reg_G2_BG2PA, mtx, centerX, centerY, x1, y1);
+}
+
+static inline void G2_SetBG3Affine(const struct Mtx22 *mtx, int centerX, int centerY, int x1, int y1)
+{
+    G2x_SetBGyAffine_((u32)&reg_G2_BG3PA, mtx, centerX, centerY, x1, y1);
+}
+
+static inline void G2S_SetBG2Affine(const struct Mtx22 *mtx, int centerX, int centerY, int x1, int y1)
+{
+    G2x_SetBGyAffine_((u32)&reg_G2S_DB_BG2PA, mtx, centerX, centerY, x1, y1);
+}
+
+static inline void G2S_SetBG3Affine(const struct Mtx22 *mtx, int centerX, int centerY, int x1, int y1)
+{
+    G2x_SetBGyAffine_((u32)&reg_G2S_DB_BG3PA, mtx, centerX, centerY, x1, y1);
+}
+
+static inline void G2_BlendNone(void)
+{
+    reg_G2_BLDCNT = 0;
+}
+
+static inline void G2S_BlendNone(void)
+{
+    reg_G2S_DB_BLDCNT = 0;
+}
+
 //The g2 and g2_oam headers contain a lot of inline functions and enums that may want to be ported over at some point
 
 #endif //GUARD_GX_G2_H