decompile text window

1 files changed, 133 insertions, 0 deletions

diff --git a/src/text_window.c b/src/text_window.c
new file mode 100644
index 000000000..356e1f339
--- /dev/null
+++ b/src/text_window.c
@@ -0,0 +1,133 @@
+#include "global.h"
+#include "text.h"
+#include "window.h"
+#include "palette.h"
+
+extern u8 LoadBgTiles(u8 bg, const void *src, u16 size, u16 destOffset);
+extern void FillBgTilemapBufferRect(u8 bg, u16 tileNum, u8 x, u8 y, u8 width, u8 height, u8 palette);
+
+struct TilesPal
+{
+    u32* tiles;
+    u16* pal;
+};
+
+extern const struct TilesPal gUnknown_0851021C[];
+extern const u32 gUnknown_08DDD748[];
+extern const u16 gUnknown_0851017C[];
+extern const u16 gUnknown_08DDD728[];
+
+const u16* sub_8098C64(void);
+void sub_809882C(u8 windowId, u16 destOffset, u8 palOffset);
+
+const struct TilesPal* sub_8098758(u8 id)
+{
+    if (id > 19)
+        return &gUnknown_0851021C[0];
+    else
+        return &gUnknown_0851021C[id];
+}
+
+void copy_textbox_border_tile_patterns_to_vram(u8 windowId, u16 destOffset, u8 palOffset)
+{
+    LoadBgTiles(GetWindowAttribute(windowId, WINDOW_PRIORITY), gUnknown_08DDD748, 0x1C0, destOffset);
+    LoadPalette(sub_8098C64(), palOffset, 0x20);
+}
+
+void box_border_load_tiles_and_pal(u8 windowId, u16 destOffset, u8 palOffset)
+{
+    sub_809882C(windowId, destOffset, palOffset);
+}
+
+void sub_80987D4(u8 windowId, u8 frameId, u16 destOffset, u8 palOffset)
+{
+    LoadBgTiles(GetWindowAttribute(windowId, WINDOW_PRIORITY), gUnknown_0851021C[frameId].tiles, 0x120, destOffset);
+    LoadPalette(gUnknown_0851021C[frameId].pal, palOffset, 0x20);
+}
+
+void sub_809882C(u8 windowId, u16 destOffset, u8 palOffset)
+{
+    sub_80987D4(windowId, gSaveBlock2Ptr->optionsWindowFrameType, destOffset, palOffset);
+}
+
+void sub_8098858(u8 windowId, u16 tileNum, u8 palNum)
+{
+    u8 bgLayer = GetWindowAttribute(windowId, WINDOW_PRIORITY);
+    u16 tilemapLeft = GetWindowAttribute(windowId, WINDOW_TILEMAP_LEFT);
+    u16 tilemapTop = GetWindowAttribute(windowId, WINDOW_TILEMAP_TOP);
+    u16 width = GetWindowAttribute(windowId, WINDOW_WIDTH);
+    u16 height = GetWindowAttribute(windowId, WINDOW_HEIGHT);
+
+    FillBgTilemapBufferRect(bgLayer, tileNum + 0, tilemapLeft - 1,      tilemapTop - 1,         1,      1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 1, tilemapLeft,          tilemapTop - 1,         width,  1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 2, tilemapLeft + width,  tilemapTop - 1,         1,      1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 3, tilemapLeft - 1,      tilemapTop,             1,      height, palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 5, tilemapLeft + width,  tilemapTop,             1,      height, palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 6, tilemapLeft - 1,      tilemapTop + height,    1,      1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 7, tilemapLeft,          tilemapTop + height,    width,  1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 8, tilemapLeft + width,  tilemapTop + height,    1,      1,      palNum);
+}
+
+void sub_80989E0(u8 windowId, u16 tileNum, u8 palNum)
+{
+    u8 bgLayer = GetWindowAttribute(windowId, WINDOW_PRIORITY);
+    u16 tilemapLeft = GetWindowAttribute(windowId, WINDOW_TILEMAP_LEFT);
+    u16 tilemapTop = GetWindowAttribute(windowId, WINDOW_TILEMAP_TOP);
+    u16 width = GetWindowAttribute(windowId, WINDOW_WIDTH);
+    u16 height = GetWindowAttribute(windowId, WINDOW_HEIGHT);
+
+    FillBgTilemapBufferRect(bgLayer, tileNum + 0, tilemapLeft,              tilemapTop,                 1,          1,          palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 1, tilemapLeft + 1,          tilemapTop,                 width - 2,  1,          palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 2, tilemapLeft + width - 1,  tilemapTop,                 1,          1,          palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 3, tilemapLeft,              tilemapTop + 1,             1,          height - 2, palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 5, tilemapLeft + width - 1,  tilemapTop + 1,             1,          height - 2, palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 6, tilemapLeft,              tilemapTop + height - 1,    1,          1,          palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 7, tilemapLeft + 1,          tilemapTop + height - 1,    width -     2,  1,      palNum);
+    FillBgTilemapBufferRect(bgLayer, tileNum + 8, tilemapLeft + width - 1,  tilemapTop + height - 1,    1,          1,          palNum);
+}
+
+void rbox_fill_rectangle(u8 windowId)
+{
+    u8 bgLayer = GetWindowAttribute(windowId, WINDOW_PRIORITY);
+    u16 tilemapLeft = GetWindowAttribute(windowId, WINDOW_TILEMAP_LEFT);
+    u16 tilemapTop = GetWindowAttribute(windowId, WINDOW_TILEMAP_TOP);
+    u16 width = GetWindowAttribute(windowId, WINDOW_WIDTH);
+    u16 height = GetWindowAttribute(windowId, WINDOW_HEIGHT);
+
+    FillBgTilemapBufferRect(bgLayer, 0, tilemapLeft - 1, tilemapTop - 1, width + 2, height + 2, 0x11);
+}
+
+const u16* stdpal_get(u8 id)
+{
+    switch (id)
+    {
+    case 0:
+        id = 0;
+        break;
+    case 1:
+        id = 0x10;
+        break;
+    case 2:
+        id = 0x20;
+        break;
+    case 3:
+        id = 0x30;
+        break;
+    case 4:
+    default:
+        id = 0x40;
+        break;
+    }
+    return &gUnknown_0851017C[id];
+}
+
+const u16* sub_8098C64(void)
+{
+    return gUnknown_08DDD728;
+}
+
+void sub_8098C6C(u8 bg, u16 destOffset, u8 palOffset)
+{
+    LoadBgTiles(bg, gUnknown_0851021C[gSaveBlock2Ptr->optionsWindowFrameType].tiles, 0x120, destOffset);
+    LoadPalette(sub_8098758(gSaveBlock2Ptr->optionsWindowFrameType)->pal, palOffset, 0x20);
+}