mirror of https://github.com/nmlgc/ReC98.git
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
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#include <dos.h>
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#include "platform.h"
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#include "pc98.h"
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#include "planar.h"
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#include "th01/formats/ptn.hpp"
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extern "C" {
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#include "th01/snd/mdrv2.h"
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}
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/// Coordinates
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/// -----------
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// TOTLE
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// -----
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static const vram_word_amount_t TOTLE_METRIC_VRAM_WORD_LEFT = (224 / 16);
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static const pixel_t TOTLE_METRIC_DIGIT_W = PTN_QUARTER_W;
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// -----
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/// -----------
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// ZUN quirk: No ([digit] % 10) for the quarter calculation? As a result, we
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// get scrambled numerals if [digit % 20] is between 10 and 19 inclusive:
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//
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// | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
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// | 2 | 3 | 0 | 1 | 6 | 7 | 4 | 5 | (none) | (none) |
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#define totle_metric_digit_scramble_if_ge_10_and_put_8(left, top, digit) { \
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ptn_put_quarter_8( \
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left, top, (PTN_TOTLE_NUMERAL_16 + ((digit % 10) / 4)), (digit % 4) \
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); \
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} \
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// [digit] must be a value from 0 to 9, but [place] can be negative.
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void pascal near totle_metric_digit_animate(
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int digit, int place, screen_y_t top
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)
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{
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enum {
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DIGIT_LOOPS = 2, // Number of full loops from 0 to 9
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};
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int loops_done = 0;
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screen_x_t left = (
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(TOTLE_METRIC_VRAM_WORD_LEFT * 16) + (place * TOTLE_METRIC_DIGIT_W)
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);
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// The only place in the game where this hack is appropriate… but even
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// here, that's only because the left coordinate is always word-aligned.
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ptn_sloppy_unput_before_alpha_put = true;
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for(int i = 0; i < (DIGIT_LOOPS * 10); i++) {
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totle_metric_digit_scramble_if_ge_10_and_put_8(left, top, i);
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if((i % 10) == (digit % 10)) {
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loops_done++;
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}
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if(loops_done >= DIGIT_LOOPS) {
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break;
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}
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delay(4);
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mdrv2_se_play(2);
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}
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// Only necessary because the last numeral rendered in the loop is
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// guaranteed to be a scrambled one.
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totle_metric_digit_scramble_if_ge_10_and_put_8(left, top, digit);
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ptn_sloppy_unput_before_alpha_put = false;
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}
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