split out src/ directory into categorized subdirectories.

1 files changed, 184 insertions, 0 deletions

diff --git a/src/engine/text_window.c b/src/engine/text_window.c
new file mode 100644
index 000000000..9a88789d1
--- /dev/null
+++ b/src/engine/text_window.c
@@ -0,0 +1,184 @@
+#include "global.h"
+#include "text_window.h"
+#include "main.h"
+#include "palette.h"
+#include "text.h"
+
+#define STD_MSG_BOX_LEFT    0
+#define STD_MSG_BOX_TOP    14
+#define STD_MSG_BOX_WIDTH  26
+#define STD_MSG_BOX_HEIGHT  4
+
+static void LoadTextWindowTiles(u8, void *);
+static void LoadTextWindowPalette(u8, u8);
+static void DrawTextWindowInternal(u16 *dest, u16 baseTileNum, u8 left, u8 top, u8 right, u8 bottom);
+static u16 GetMessageBoxTilemapEntry(u16 tilemapEntry, u8 x, u8 y, u8 width, u8 height);
+static void DrawMessageBox(struct Window *win, u8 left, u8 top, u8 width, u8 height);
+
+static u16 sTextWindowBaseTileNum;
+static u16 sMessageBoxBaseTileNum;
+
+extern const struct FrameGraphics gUnknown_083761F0[20];
+
+extern const u16 gMessageBoxTilemap[5][7];
+extern const u8 gMessageBox_Gfx[];
+
+u16 SetTextWindowBaseTileNum(u16 baseTileNum)
+{
+    sTextWindowBaseTileNum = baseTileNum;
+    return baseTileNum + 9;
+}
+
+void LoadTextWindowGraphics(struct Window *win)
+{
+    u8 *tileData = win->config->tileData + TILE_SIZE_4BPP * sTextWindowBaseTileNum;
+    LoadTextWindowTiles(gSaveBlock2.optionsWindowFrameType, tileData);
+    LoadTextWindowPalette(gSaveBlock2.optionsWindowFrameType, 0xE);
+}
+
+void LoadTextWindowGraphics_OverridePalSlot(struct Window *win, u8 palSlot)
+{
+    u8 *tileData = win->config->tileData + TILE_SIZE_4BPP * sTextWindowBaseTileNum;
+    LoadTextWindowTiles(gSaveBlock2.optionsWindowFrameType, tileData);
+    LoadTextWindowPalette(gSaveBlock2.optionsWindowFrameType, palSlot);
+}
+
+void LoadTextWindowGraphics_OverrideFrameType(struct Window *win, u8 frameType)
+{
+    u8 *tileData = win->config->tileData + TILE_SIZE_4BPP * sTextWindowBaseTileNum;
+    LoadTextWindowTiles(frameType, tileData);
+    LoadTextWindowPalette(frameType, 0xE);
+}
+
+void DrawTextWindow(struct Window *win, u8 left, u8 top, u8 right, u8 bottom)
+{
+    DrawTextWindowInternal(win->config->tilemap, sTextWindowBaseTileNum, left, top, right, bottom);
+}
+
+const struct FrameGraphics *GetTextWindowFrameGraphics(u8 frameType)
+{
+    if (frameType > 19)
+        return &gUnknown_083761F0[0];
+    else
+        return &gUnknown_083761F0[frameType];
+}
+
+static void LoadTextWindowTiles(u8 frameType, void *dest)
+{
+    const struct FrameGraphics *frameGraphics = GetTextWindowFrameGraphics(frameType);
+    CpuFastCopy(frameGraphics->tiles, dest, 9 * TILE_SIZE_4BPP);
+}
+
+static void LoadTextWindowPalette(u8 frameType, u8 palSlot)
+{
+    const struct FrameGraphics *frameGraphics = GetTextWindowFrameGraphics(frameType);
+    LoadPalette(frameGraphics->palette, 16 * palSlot, 0x20);
+}
+
+static void DrawTextWindowInternal(u16 *dest, u16 baseTileNum, u8 left, u8 top, u8 right, u8 bottom)
+{
+    u8 x, y;
+    u8 startX, endX;
+    u8 startY, endY;
+
+    startX = (left < right) ? left : right;
+    endX = (right > left) ? right : left;
+
+    startY = (top < bottom) ? top : bottom;
+    endY = (bottom > top) ? bottom : top;
+
+    dest[32 * startY + startX] = baseTileNum | 0xE000;
+
+    for (x = startX + 1; x < endX; x++)
+        dest[32 * startY + x] = (baseTileNum + 1) | 0xE000;
+
+    dest[32 * startY + endX] = (baseTileNum + 2) | 0xE000;
+
+    for (y = startY + 1; y < endY; y++)
+    {
+        dest[32 * y + startX] = (baseTileNum + 3) | 0xE000;
+
+        for (x = startX + 1; x < endX; x++)
+            dest[32 * y + x] = (baseTileNum + 4) | 0xE000;
+
+        dest[32 * y + endX] = (baseTileNum + 5) | 0xE000;
+    }
+
+    dest[32 * endY + startX] = (baseTileNum + 6) | 0xE000;
+
+    for (x = startX + 1; x < endX; x++)
+        dest[32 * endY + x] = (baseTileNum + 7) | 0xE000;
+
+    dest[32 * endY + endX] = (baseTileNum + 8) | 0xE000;
+}
+
+u16 SetMessageBoxBaseTileNum(u16 baseTileNum)
+{
+    sMessageBoxBaseTileNum = baseTileNum;
+    return baseTileNum + 14;
+}
+
+void unref_sub_80651DC(struct Window *win, u8 *text)
+{
+    sub_8002EB0(win, text, sMessageBoxBaseTileNum + 14, 2, 15);
+}
+
+void DisplayMessageBox(struct Window *win)
+{
+    LoadMessageBoxTiles(win);
+    DrawStandardMessageBox(win);
+}
+
+static u16 GetMessageBoxTilemapEntry(u16 baseTilemapEntry, u8 x, u8 y, u8 width, u8 height)
+{
+    u16 tilemapEntry = 9;
+
+    if (y >= height)
+        y = y - height + 3;
+    else if (y > 1)
+        y = 2;
+
+    if (x >= width + 2)
+        x = x - (width + 2) + 4;
+    else if (x > 2)
+        x = 3;
+
+    if (x <= 6 && y <= 4)
+        tilemapEntry = gMessageBoxTilemap[y][x];
+
+    tilemapEntry += baseTilemapEntry;
+
+    return tilemapEntry;
+}
+
+static void DrawMessageBox(struct Window *win, u8 left, u8 top, u8 width, u8 height)
+{
+    u8 i, j;
+    u16 tilemapEntry = (win->paletteNum << 12) | sMessageBoxBaseTileNum;
+    u16 *tilemap = win->config->tilemap;
+
+    for (i = 0; i < height + 2; i++)
+        for (j = 0; j < width + 6; j++)
+            tilemap[(left + j) + 32 * (top + i)] = (win->paletteNum << 12) | GetMessageBoxTilemapEntry(tilemapEntry, j, i, width, height);
+}
+
+void DrawStandardMessageBox(struct Window *win)
+{
+    DrawMessageBox(win, STD_MSG_BOX_LEFT, STD_MSG_BOX_TOP, STD_MSG_BOX_WIDTH, STD_MSG_BOX_HEIGHT);
+}
+
+void LoadMessageBoxTiles(struct Window *win)
+{
+    u8 *tileData = win->config->tileData;
+    CpuFastCopy(gMessageBox_Gfx, tileData + 32 * sMessageBoxBaseTileNum, 14 * TILE_SIZE_4BPP);
+}
+
+void ClearStandardMessageBox(struct Window *win)
+{
+    u8 i;
+    u16 *tilemap = win->config->tilemap + (STD_MSG_BOX_TOP * 32);
+    u16 tilemapEntry = win->paletteNum << 12;
+
+    for (i = 0; i < ((STD_MSG_BOX_HEIGHT + 2) * 32); i++)
+        tilemap[i] = tilemapEntry;
+}