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-rw-r--r--src/help_message.c196
1 files changed, 196 insertions, 0 deletions
diff --git a/src/help_message.c b/src/help_message.c
new file mode 100644
index 000000000..2fd76e432
--- /dev/null
+++ b/src/help_message.c
@@ -0,0 +1,196 @@
+#include "global.h"
+#include "menu.h"
+
+static EWRAM_DATA u8 sHelpMessageWindowId = 0;
+
+const u16 gUnknown_84566A8[] = INCBIN_U16("graphics/unknown/unknown_84566a8.bin");
+
+static const struct WindowTemplate sHelpMessageWindowTemplate = {
+ .bg = 0,
+ .tilemapLeft = 0,
+ .tilemapTop = 15,
+ .width = 30,
+ .height = 5,
+ .paletteNum = 15,
+ .baseBlock = 0x08F
+};
+
+void MapNamePopupWindowIdSetDummy(void)
+{
+ sHelpMessageWindowId = 0xFF;
+}
+
+u8 CreateHelpMessageWindow(void)
+{
+ if (sHelpMessageWindowId == 0xFF)
+ {
+ sHelpMessageWindowId = AddWindow(&sHelpMessageWindowTemplate);
+ PutWindowTilemap(sHelpMessageWindowId);
+ }
+ return sHelpMessageWindowId;
+}
+
+void DestroyHelpMessageWindow(u8 a0)
+{
+ if (sHelpMessageWindowId != 0xFF)
+ {
+ FillWindowPixelBuffer(sHelpMessageWindowId, PIXEL_FILL(0));
+ ClearWindowTilemap(sHelpMessageWindowId);
+
+ if (a0)
+ CopyWindowToVram(sHelpMessageWindowId, a0);
+
+ RemoveWindow(sHelpMessageWindowId);
+ sHelpMessageWindowId = 0xFF;
+ }
+}
+
+#ifdef NONMATCHING
+void sub_8112F18(u8 windowId)
+{
+ u8 width = GetWindowAttribute(windowId, WINDOW_WIDTH);
+ u8 height = GetWindowAttribute(windowId, WINDOW_HEIGHT);
+ u8 *buffer = Alloc(32 * width * height);
+ u8 i, j;
+ u8 k;
+
+ if (buffer != NULL)
+ {
+ for (i = 0; i < height; i++)
+ {
+ for (j = 0; j < width; j++)
+ {
+ if (i == 0)
+ k = 0;
+ else if (i == height - 1)
+ k = 14;
+ else
+ k = 5;
+ CpuCopy32(
+ (void *)gUnknown_84566A8 + 32 * k, // operand swap on "add" instruction
+ buffer + 32 * (i * width + j),
+ 32
+ );
+ }
+ }
+ CopyToWindowPixelBuffer(windowId, buffer, width * height * 32, 0);
+ Free(buffer);
+ }
+}
+#else
+NAKED
+void sub_8112F18(u8 windowId)
+{
+ asm_unified("\tpush {r4-r7,lr}\n"
+ "\tmov r7, r10\n"
+ "\tmov r6, r9\n"
+ "\tmov r5, r8\n"
+ "\tpush {r5-r7}\n"
+ "\tsub sp, 0x8\n"
+ "\tlsls r0, 24\n"
+ "\tlsrs r0, 24\n"
+ "\tmov r10, r0\n"
+ "\tmovs r1, 0x3\n"
+ "\tbl GetWindowAttribute\n"
+ "\tlsls r0, 24\n"
+ "\tlsrs r6, r0, 24\n"
+ "\tmov r0, r10\n"
+ "\tmovs r1, 0x4\n"
+ "\tbl GetWindowAttribute\n"
+ "\tlsls r0, 24\n"
+ "\tlsrs r7, r0, 24\n"
+ "\tlsls r0, r7, 5\n"
+ "\tmuls r0, r6\n"
+ "\tbl Alloc\n"
+ "\tmov r8, r0\n"
+ "\tcmp r0, 0\n"
+ "\tbeq _08112FB8\n"
+ "\tmovs r5, 0\n"
+ "\tadds r0, r6, 0\n"
+ "\tmuls r0, r7\n"
+ "\tstr r0, [sp]\n"
+ "\tcmp r5, r7\n"
+ "\tbcs _08112FA2\n"
+ "_08112F5A:\n"
+ "\tmovs r4, 0\n"
+ "\tadds r1, r5, 0x1\n"
+ "\tmov r9, r1\n"
+ "\tcmp r4, r6\n"
+ "\tbcs _08112F98\n"
+ "\tsubs r3, r7, 0x1\n"
+ "_08112F66:\n"
+ "\tmovs r0, 0\n"
+ "\tcmp r5, 0\n"
+ "\tbeq _08112F74\n"
+ "\tmovs r0, 0x5\n"
+ "\tcmp r5, r3\n"
+ "\tbne _08112F74\n"
+ "\tmovs r0, 0xE\n"
+ "_08112F74:\n"
+ "\tlsls r0, 5\n"
+ "\tldr r1, _08112FC8 @ =gUnknown_84566A8\n"
+ "\tadds r0, r1, r0\n"
+ "\tadds r1, r5, 0\n"
+ "\tmuls r1, r6\n"
+ "\tadds r1, r4\n"
+ "\tlsls r1, 5\n"
+ "\tadd r1, r8\n"
+ "\tldr r2, _08112FCC @ =0x04000008\n"
+ "\tstr r3, [sp, 0x4]\n"
+ "\tbl CpuSet\n"
+ "\tadds r0, r4, 0x1\n"
+ "\tlsls r0, 24\n"
+ "\tlsrs r4, r0, 24\n"
+ "\tldr r3, [sp, 0x4]\n"
+ "\tcmp r4, r6\n"
+ "\tbcc _08112F66\n"
+ "_08112F98:\n"
+ "\tmov r1, r9\n"
+ "\tlsls r0, r1, 24\n"
+ "\tlsrs r5, r0, 24\n"
+ "\tcmp r5, r7\n"
+ "\tbcc _08112F5A\n"
+ "_08112FA2:\n"
+ "\tldr r0, [sp]\n"
+ "\tlsls r2, r0, 21\n"
+ "\tlsrs r2, 16\n"
+ "\tmov r0, r10\n"
+ "\tmov r1, r8\n"
+ "\tmovs r3, 0\n"
+ "\tbl CopyToWindowPixelBuffer\n"
+ "\tmov r0, r8\n"
+ "\tbl Free\n"
+ "_08112FB8:\n"
+ "\tadd sp, 0x8\n"
+ "\tpop {r3-r5}\n"
+ "\tmov r8, r3\n"
+ "\tmov r9, r4\n"
+ "\tmov r10, r5\n"
+ "\tpop {r4-r7}\n"
+ "\tpop {r0}\n"
+ "\tbx r0\n"
+ "\t.align 2, 0\n"
+ "_08112FC8: .4byte gUnknown_84566A8\n"
+ "_08112FCC: .4byte 0x04000008");
+}
+#endif
+
+static void sub_8112FD0(void)
+{
+ sub_8112F18(sHelpMessageWindowId);
+}
+
+static const u8 sHelpMessageTextColors[3] = {TEXT_COLOR_TRANSPARENT, TEXT_DYNAMIC_COLOR_1, TEXT_COLOR_DARK_GREY};
+
+static void PrintHelpMessageText(const u8 *text)
+{
+ AddTextPrinterParameterized4(sHelpMessageWindowId, 2, 2, 5, 1, 1, sHelpMessageTextColors, -1, text);
+}
+
+void PrintTextOnHelpMessageWindow(const u8 *text, u8 mode)
+{
+ sub_8112FD0();
+ PrintHelpMessageText(text);
+ if (mode)
+ CopyWindowToVram(sHelpMessageWindowId, mode);
+}