Merge pull request #409 from remicalixte/unk_020023C0

decompile unk_020023C0.s into render_text.c

1 files changed, 502 insertions, 0 deletions

diff --git a/arm9/src/render_text.c b/arm9/src/render_text.c
new file mode 100644
index 00000000..af0218c8
--- /dev/null
+++ b/arm9/src/render_text.c
@@ -0,0 +1,502 @@
+#include "global.h"
+#include "render_text.h"
+#include "game_init.h"
+#include "string_util.h"
+#include "text.h"
+#include "unk_0201B8B8.h"
+
+u16 unk00;
+
+TextFlags gTextFlags;
+
+const u8 UNK_020ECB50[] = { 0, 1, 2, 1 };
+
+extern const char *FUN_02002D94(u8, u16);
+extern void PlaySE(u16);
+
+THUMB_FUNC u32 RenderText(struct TextPrinter *printer)
+{
+
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+    u16 currentChar;
+
+    switch (printer->state)
+    {
+        case 0:
+            if (((gMain.heldKeys & 3) != 0 && subStruct->hasPrintBeenSpedUp != 0) ||
+                (gMain.touchHeld != 0 && gTextFlags.unk0_4 != 0))
+            {
+                printer->delayCounter = 0;
+                if (printer->textSpeedBottom != 0)
+                {
+                    gTextFlags.unk0_6 = 1;
+                }
+            }
+
+            if (printer->delayCounter && printer->textSpeedBottom)
+            {
+                printer->delayCounter--;
+
+                if (gTextFlags.canABSpeedUpPrint != 0)
+                {
+                    if ((gMain.newKeys & 3) || (gMain.touchNew != 0 && gTextFlags.unk0_4))
+                    {
+                        subStruct->hasPrintBeenSpedUp = 1;
+                        printer->delayCounter = 0;
+                    }
+                }
+
+                return 3;
+            }
+
+            printer->delayCounter = printer->textSpeedBottom;
+            currentChar = *printer->printerTemplate.currentChar.raw;
+            printer->printerTemplate.currentChar.raw++;
+
+            GF_ASSERT(currentChar != 0xF100);
+
+            switch (currentChar)
+            {
+                case EOS:
+                    return 1;
+                case 0xE000:
+                    printer->printerTemplate.currentX = printer->printerTemplate.x;
+                    s32 fontAttribute = GetFontAttribute(printer->printerTemplate.fontId, 1);
+
+                    printer->printerTemplate.currentY +=
+                        printer->printerTemplate.lineSpacing + fontAttribute;
+
+                    return 2;
+
+                case 0xF0FD:
+                    printer->printerTemplate.currentChar.raw++;
+                    return 2;
+                case 0xFFFE:
+                    printer->printerTemplate.currentChar.raw--;
+                    switch ((u16)MsgArray_GetControlCode(printer->printerTemplate.currentChar.raw))
+                    {
+                        case 0xFF00:
+                            u16 field = (u16)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            if (field == 0xff)
+                            {
+                                u8 r2 = printer->printerTemplate.unk4;
+                                printer->printerTemplate.unk4 =
+                                    (u8)((printer->printerTemplate.fgColor - 1) / 2 + 100);
+
+                                if (!(r2 >= 100 && r2 < 107))
+                                {
+                                    break;
+                                }
+
+                                field = (u16)(r2 - 100);
+                            }
+                            else
+                            {
+                                if (field >= 0x64)
+                                {
+                                    printer->printerTemplate.unk4 = (u8)field;
+                                    break;
+                                }
+                            }
+
+                            printer->printerTemplate.fgColor = (u8)(field * 2 + 1);
+                            printer->printerTemplate.shadowColor = (u8)(field * 2 + 2);
+
+                            GenerateFontHalfRowLookupTable(printer->printerTemplate.fgColor,
+                                printer->printerTemplate.bgColor,
+                                printer->printerTemplate.shadowColor);
+
+                            break;
+
+                        case 0x200:
+                            field = (u16)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+
+                            FUN_0201C1EC(printer,
+                                printer->printerTemplate.currentX,
+                                printer->printerTemplate.currentY,
+                                field);
+                            if (printer->textSpeedTop != 0)
+                            {
+                                CopyWindowToVram(printer->printerTemplate.window);
+                            }
+
+                            break;
+                        case 0x201:
+                            printer->delayCounter = (u8)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            printer->printerTemplate.currentChar.raw =
+                                MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+                            printer->state = 6;
+
+                            return 3;
+                        case 0x202:
+                            printer->Unk2A = (u16)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            printer->printerTemplate.currentChar.raw =
+                                MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+
+                            return 3;
+                        case 0x203:
+                            printer->printerTemplate.currentX = (u8)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            break;
+                        case 0x204:
+                            printer->printerTemplate.currentY = (u8)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            break;
+
+                        case 0xFF01:
+                            field = (u16)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+
+                            switch (field)
+                            {
+                                case 100:
+                                    printer->printerTemplate.unk2 = 0;
+                                    printer->printerTemplate.unk3 = 0;
+                                    break;
+                                case 200:
+                                    printer->printerTemplate.unk2 = 0xFFFC;
+                                    printer->printerTemplate.unk3 = 0;
+                                    break;
+                            }
+
+                            break;
+
+                        case 0xFE06:
+                            field = (u16)MsgArray_ControlCodeGetField(
+                                printer->printerTemplate.currentChar.raw, 0);
+                            if (field != 0xFE00)
+                            {
+                                if (field != 0xFE01)
+                                {
+                                    break;
+                                }
+
+                                printer->state = 2;
+                                TextPrinterInitDownArrowCounters(printer);
+                                printer->printerTemplate.currentChar.raw = MsgArray_SkipControlCode(
+                                    printer->printerTemplate.currentChar.raw);
+
+                                return 3;
+                            }
+
+                            printer->state = 3;
+                            TextPrinterInitDownArrowCounters(printer);
+                            printer->printerTemplate.currentChar.raw =
+                                MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+
+                            return 3;
+                    }
+
+                    printer->printerTemplate.currentChar.raw =
+                        MsgArray_SkipControlCode(printer->printerTemplate.currentChar.raw);
+                    return 2;
+
+                case 0x25BC:
+                    printer->state = 2;
+                    TextPrinterInitDownArrowCounters(printer);
+                    return 3;
+
+                case 0x25BD:
+                    printer->state = 3;
+                    TextPrinterInitDownArrowCounters(printer);
+                    return 3;
+            }
+
+            const char *r5 = FUN_02002D94(subStruct->glyphId, currentChar);
+            CopyGlyphToWindow(printer->printerTemplate.window,
+                r5,
+                r5[0x80],
+                r5[0x81],
+                printer->printerTemplate.currentX,
+                printer->printerTemplate.currentY,
+                printer->printerTemplate.unk2);
+
+            printer->printerTemplate.currentX += r5[0x80] + printer->printerTemplate.letterSpacing;
+
+            return 0;
+        case 1:
+            if (TextPrinterWait(printer) != 0)
+            {
+                TextPrinterClearDownArrow(printer);
+
+                printer->state = 0;
+            }
+
+            return 3;
+        case 2:
+            if (TextPrinterWaitWithDownArrow(printer) != 0)
+            {
+                TextPrinterClearDownArrow(printer);
+                FillWindowPixelBuffer(
+                    printer->printerTemplate.window, printer->printerTemplate.bgColor);
+                printer->printerTemplate.currentX = printer->printerTemplate.x;
+                printer->printerTemplate.currentY = printer->printerTemplate.y;
+                printer->state = 0;
+            }
+
+            return 3;
+        case 3:
+            if (TextPrinterWaitWithDownArrow(printer) != 0)
+            {
+                TextPrinterClearDownArrow(printer);
+                printer->scrollDistance =
+                    (u8)(GetFontAttribute(printer->printerTemplate.fontId, 1) +
+                         printer->printerTemplate.lineSpacing);
+                printer->printerTemplate.currentX = printer->printerTemplate.x;
+                printer->state = 4;
+            }
+
+            return 3;
+        case 4:
+            if (printer->scrollDistance != 0)
+            {
+                if ((int)printer->scrollDistance < 4)
+                {
+                    ScrollWindow(printer->printerTemplate.window,
+                        0,
+                        printer->scrollDistance,
+                        (u8)(printer->printerTemplate.bgColor |
+                             (printer->printerTemplate.bgColor << 4)));
+                    printer->scrollDistance = 0;
+                }
+                else
+                {
+                    ScrollWindow(printer->printerTemplate.window,
+                        0,
+                        4,
+                        (u8)(printer->printerTemplate.bgColor |
+                             (printer->printerTemplate.bgColor << 4)));
+
+                    printer->scrollDistance -= 4;
+                }
+
+                CopyWindowToVram(printer->printerTemplate.window);
+            }
+            else
+            {
+                printer->state = 0;
+            }
+
+            return 3;
+        case 5:
+            printer->state = 0;
+            return 3;
+        case 6:
+            if (printer->delayCounter != 0)
+            {
+                printer->delayCounter--;
+            }
+            else
+            {
+                printer->state = 0;
+            }
+
+            return 3;
+    }
+
+    return 1;
+}
+
+THUMB_FUNC void FUN_02002840(u16 flag)
+{
+    unk00 = flag;
+}
+
+THUMB_FUNC void TextPrinterInitDownArrowCounters(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (gTextFlags.autoScroll)
+    {
+        subStruct->autoScrollDelay = 0;
+        return;
+    }
+
+    subStruct->downArrowYPosIdx = 0;
+    subStruct->downArrowDelay = 0;
+}
+
+THUMB_FUNC void TextPrinterDrawDownArrow(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (gTextFlags.autoScroll)
+    {
+        return;
+    }
+
+    if (subStruct->downArrowDelay != 0)
+    {
+        subStruct->downArrowDelay--;
+        return;
+    }
+
+    u8 bg_id = GetWindowBgId(printer->printerTemplate.window);
+    u8 x = GetWindowX(printer->printerTemplate.window);
+    u8 y = GetWindowY(printer->printerTemplate.window);
+    u8 width = GetWindowWidth(printer->printerTemplate.window);
+    u16 r6 = unk00;
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 18 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4),
+        (u8)(x + width + 1),
+        (u8)(y + 2),
+        1,
+        1,
+        0x10);
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 19 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4),
+        (u8)(x + width + 2),
+        (u8)(y + 2),
+        1,
+        1,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 20 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4),
+        (u8)(x + width + 1),
+        (u8)(y + 3),
+        1,
+        1,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 21 + UNK_020ECB50[subStruct->downArrowYPosIdx] * 4),
+        (u8)(x + width + 2),
+        (u8)(y + 3),
+        1,
+        1,
+        0x10);
+
+    BgCommitTilemapBufferToVram(printer->printerTemplate.window->bgConfig, bg_id);
+    subStruct->downArrowDelay = 8;
+    subStruct->downArrowYPosIdx++;
+}
+
+THUMB_FUNC void TextPrinterClearDownArrow(struct TextPrinter *printer)
+{
+    u8 bg_id = GetWindowBgId(printer->printerTemplate.window);
+    u8 x = GetWindowX(printer->printerTemplate.window);
+    u8 y = GetWindowY(printer->printerTemplate.window);
+    u8 width = GetWindowWidth(printer->printerTemplate.window);
+    u16 r6 = unk00;
+
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 10),
+        (u8)(x + width + 1),
+        (u8)(y + 2),
+        1,
+        2,
+        0x10);
+    FillBgTilemapRect(printer->printerTemplate.window->bgConfig,
+        bg_id,
+        (u16)(r6 + 11),
+        (u8)(x + width + 2),
+        (u8)(y + 2),
+        1,
+        2,
+        0x10);
+    BgCommitTilemapBufferToVram(printer->printerTemplate.window->bgConfig, bg_id);
+}
+
+THUMB_FUNC BOOL TextPrinterContinue(struct TextPrinter *printer)
+{
+#pragma unused(printer)
+    if ((gMain.newKeys & 3) != 0 || (gMain.touchNew != 0 && gTextFlags.unk0_4 != 0))
+    {
+        PlaySE(0x5DC);
+
+        gTextFlags.unk0_7 = 1;
+
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+THUMB_FUNC BOOL TextPrinterWaitAutoMode(struct TextPrinter *printer)
+{
+    struct TextPrinterSubStruct *subStruct =
+        (struct TextPrinterSubStruct *)(&printer->subStructFields);
+
+    if (subStruct->autoScrollDelay == 100)
+    {
+        return TRUE;
+    }
+
+    subStruct->autoScrollDelay++;
+    if (gTextFlags.unk0_5)
+    {
+        return TextPrinterContinue(printer);
+    }
+
+    return FALSE;
+}
+
+THUMB_FUNC BOOL TextPrinterWaitWithDownArrow(struct TextPrinter *printer)
+{
+    if (gTextFlags.autoScroll)
+    {
+        return TextPrinterWaitAutoMode(printer);
+    }
+    TextPrinterDrawDownArrow(printer);
+
+    return TextPrinterContinue(printer);
+}
+
+THUMB_FUNC u8 TextPrinterWait(struct TextPrinter *printer)
+{
+    if (gTextFlags.autoScroll)
+    {
+        return (u8)TextPrinterWaitAutoMode(printer);
+    }
+
+    return (u8)TextPrinterContinue(printer);
+}
+
+THUMB_FUNC void TextFlags_SetCanABSpeedUpPrint(BOOL param0)
+{
+    gTextFlags.canABSpeedUpPrint = param0;
+}
+
+THUMB_FUNC void FUN_02002B7C(s32 param0)
+{
+    gTextFlags.autoScroll = param0 & 1;
+    gTextFlags.unk0_5 = (param0 >> 1) & 1;
+}
+
+THUMB_FUNC void FUN_02002BB8(u32 param0)
+{
+    gTextFlags.unk0_4 = param0;
+}
+
+THUMB_FUNC u8 FUN_02002BD4()
+{
+    return gTextFlags.unk0_6;
+}
+
+THUMB_FUNC void FUN_02002BE4()
+{
+    gTextFlags.unk0_6 = 0;
+}
+
+THUMB_FUNC u8 FUN_02002BF4()
+{
+    return gTextFlags.unk0_7;
+}
+
+THUMB_FUNC void FUN_02002C04()
+{
+    gTextFlags.unk0_7 = 0;
+}