145 lines
4.3 KiB
C
145 lines
4.3 KiB
C
/**
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* Unused. A very simple utility for drawing text on screen.
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*/
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#include "global.h"
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// OTRTODO
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u64 gMojiFontTex[] =
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{
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0,
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};
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u64 gMojiFontTLUTs[4][4] =
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{
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0
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};
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// how big to draw the characters on screen
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#define DISP_CHAR_WIDTH 8
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#define DISP_CHAR_HEIGHT 8
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// gMojiFontTex is a TEX_CHAR_COLS x TEX_CHAR_ROWS grid of characters,
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// each character being TEX_CHAR_WIDTH x TEX_CHAR_HEIGHT in size.
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// Each spot on the grid contains 4 characters, which are revealed by using different TLUTs.
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#define TEX_CHAR_WIDTH 8
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#define TEX_CHAR_HEIGHT 8
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#define TEX_CHAR_COLS 2
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#define TEX_CHAR_ROWS 16
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// A character `c = 0bRRRRRCTT` maps to row 0bRRRRR, column 0bC and TLUT 0bTT.
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#define GET_CHAR_TLUT_INDEX(c) (c & 3)
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// `/ 4` matches the `& 4` (`(c & 4) / 4` is the column the character is in)
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#define GET_TEX_CHAR_S(c) ((u16)(c & 4) * ((1 << 5) * TEX_CHAR_WIDTH / 4))
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#define GET_TEX_CHAR_T(c) ((u16)(c >> 3) * ((1 << 5) * TEX_CHAR_HEIGHT))
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u32 sFontColorRed = 255;
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u32 sFontColorGreen = 255;
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u32 sFontColorBlue = 255;
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u32 sFontColorAlpha = 255;
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s32 sScreenPosX = 0;
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s32 sScreenPosY = 0;
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s32 sCurTLUTIndex;
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void Moji_SetColor(u32 red, u32 green, u32 blue, u32 alpha) {
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sFontColorRed = red;
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sFontColorGreen = green;
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sFontColorBlue = blue;
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sFontColorAlpha = alpha;
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}
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void Moji_SetPosition(s32 gridX, s32 gridY) {
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if (gridX >= SCREEN_WIDTH / DISP_CHAR_WIDTH) {
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sScreenPosX = SCREEN_WIDTH - DISP_CHAR_WIDTH;
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} else if (gridX < 0) {
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sScreenPosX = 0;
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} else {
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sScreenPosX = gridX * DISP_CHAR_WIDTH;
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}
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if (gridY >= SCREEN_HEIGHT / DISP_CHAR_HEIGHT) {
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sScreenPosY = SCREEN_HEIGHT - DISP_CHAR_HEIGHT;
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} else if (gridY < 0) {
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sScreenPosY = 0;
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} else {
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sScreenPosY = gridY * DISP_CHAR_HEIGHT;
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}
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}
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void Moji_DrawChar(GraphicsContext* gfxCtx, char c) {
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s32 pad[2];
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OPEN_DISPS(gfxCtx);
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if ((u32)gMojiFontTLUTs & 0xF) {
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osSyncPrintf("moji_tlut --> %X\n", gMojiFontTLUTs);
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}
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if (sCurTLUTIndex != GET_CHAR_TLUT_INDEX(c)) {
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gDPLoadTLUT(POLY_OPA_DISP++, 16, 256, gMojiFontTLUTs[GET_CHAR_TLUT_INDEX(c)]);
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sCurTLUTIndex = GET_CHAR_TLUT_INDEX(c);
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}
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gSPTextureRectangle(POLY_OPA_DISP++, sScreenPosX << 2, sScreenPosY << 2, (sScreenPosX + DISP_CHAR_WIDTH) << 2,
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(sScreenPosY + DISP_CHAR_HEIGHT) << 2, G_TX_RENDERTILE, GET_TEX_CHAR_S(c), GET_TEX_CHAR_T(c),
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(1 << 10) * TEX_CHAR_WIDTH / DISP_CHAR_WIDTH, (1 << 10) * TEX_CHAR_HEIGHT / DISP_CHAR_HEIGHT);
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CLOSE_DISPS(gfxCtx);
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}
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/**
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* Does not work as is in most cases.
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* Can work if the render mode, combiner and possibly other settings are set correctly.
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* For example this works with the render mode used in `GfxPrint_Setup`,
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* and `G_CC_MODULATEI_PRIM` for both combiner cycles.
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*/
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void Moji_DrawString(GraphicsContext* gfxCtx, const char* str) {
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s32 i;
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OPEN_DISPS(gfxCtx);
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if ((u32)gMojiFontTex & 0xF) {
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osSyncPrintf("font_ff --> %X\n", gMojiFontTex);
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}
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gDPPipeSync(POLY_OPA_DISP++);
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gDPSetPrimColor(POLY_OPA_DISP++, 0, 0, sFontColorRed, sFontColorGreen, sFontColorBlue, sFontColorAlpha);
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gDPLoadTextureBlock_4b(POLY_OPA_DISP++, (s32)gMojiFontTex, G_IM_FMT_CI, TEX_CHAR_COLS * TEX_CHAR_WIDTH,
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TEX_CHAR_ROWS * TEX_CHAR_HEIGHT, 0, G_TX_NOMIRROR | G_TX_WRAP, G_TX_NOMIRROR | G_TX_WRAP,
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G_TX_NOMASK, G_TX_NOMASK, G_TX_NOLOD, G_TX_NOLOD);
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sCurTLUTIndex = -1;
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for (i = 0; str[i] != '\0'; i++) {
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switch (str[i]) {
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case '\t':
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sScreenPosX = (((sScreenPosX / DISP_CHAR_WIDTH) / 8) + 1) * DISP_CHAR_WIDTH * 8;
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if (sScreenPosX >= SCREEN_WIDTH) {
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sScreenPosX = 0;
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sScreenPosY += DISP_CHAR_HEIGHT;
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if (sScreenPosY >= SCREEN_HEIGHT) {
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sScreenPosY = 0;
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}
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}
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break;
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case '\n':
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case '\r':
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sScreenPosX = 0;
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sScreenPosY += DISP_CHAR_HEIGHT;
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if (sScreenPosY >= SCREEN_HEIGHT) {
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sScreenPosY = 0;
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}
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break;
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default:
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Moji_DrawChar(gfxCtx, str[i]);
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sScreenPosX += DISP_CHAR_WIDTH;
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}
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}
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CLOSE_DISPS(gfxCtx);
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}
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