diff options
Diffstat (limited to 'plugins/dumb/dumb-kode54/src/it/ptmeffect.c')
| -rw-r--r-- | plugins/dumb/dumb-kode54/src/it/ptmeffect.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/plugins/dumb/dumb-kode54/src/it/ptmeffect.c b/plugins/dumb/dumb-kode54/src/it/ptmeffect.c new file mode 100644 index 00000000..b05a5d74 --- /dev/null +++ b/plugins/dumb/dumb-kode54/src/it/ptmeffect.c @@ -0,0 +1,125 @@ +/* _______ ____ __ ___ ___
+ * \ _ \ \ / \ / \ \ / / ' ' '
+ * | | \ \ | | || | \/ | . .
+ * | | | | | | || ||\ /| |
+ * | | | | | | || || \/ | | ' ' '
+ * | | | | | | || || | | . .
+ * | |_/ / \ \__// || | |
+ * /_______/ynamic \____/niversal /__\ /____\usic /| . . ibliotheque
+ * / \
+ * / . \
+ * ptmeffect.c - Code for converting PTM / / \ \
+ * effects to IT effects. | < / \_
+ * | \/ /\ /
+ * By Chris Moeller. Based on xmeffect.c \_ / > /
+ * by Julien Cugniere. | \ / /
+ * | ' /
+ * \__/
+ */
+
+
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "dumb.h"
+#include "internal/it.h"
+
+void _dumb_it_ptm_convert_effect(int effect, int value, IT_ENTRY *entry)
+{
+ if (effect >= PTM_N_EFFECTS)
+ return;
+
+ /* Linearisation of the effect number... */
+ if (effect == PTM_E) {
+ effect = PTM_EBASE + HIGH(value);
+ value = LOW(value);
+ }
+
+ /* convert effect */
+ entry->mask |= IT_ENTRY_EFFECT;
+ switch (effect) {
+
+ case PTM_APPREGIO: effect = IT_ARPEGGIO; break;
+ case PTM_PORTAMENTO_UP: effect = IT_PORTAMENTO_UP; break;
+ case PTM_PORTAMENTO_DOWN: effect = IT_PORTAMENTO_DOWN; break;
+ case PTM_TONE_PORTAMENTO: effect = IT_TONE_PORTAMENTO; break;
+ case PTM_VIBRATO: effect = IT_VIBRATO; break;
+ case PTM_VOLSLIDE_TONEPORTA: effect = IT_VOLSLIDE_TONEPORTA; break;
+ case PTM_VOLSLIDE_VIBRATO: effect = IT_VOLSLIDE_VIBRATO; break;
+ case PTM_TREMOLO: effect = IT_TREMOLO; break;
+ case PTM_SAMPLE_OFFSET: effect = IT_SET_SAMPLE_OFFSET; break;
+ case PTM_VOLUME_SLIDE: effect = IT_VOLUME_SLIDE; break;
+ case PTM_POSITION_JUMP: effect = IT_JUMP_TO_ORDER; break;
+ case PTM_SET_CHANNEL_VOLUME: effect = IT_SET_CHANNEL_VOLUME; break;
+ case PTM_PATTERN_BREAK: effect = IT_BREAK_TO_ROW; break;
+ case PTM_SET_GLOBAL_VOLUME: effect = IT_SET_GLOBAL_VOLUME; break;
+ case PTM_RETRIGGER: effect = IT_RETRIGGER_NOTE; break;
+ case PTM_FINE_VIBRATO: effect = IT_FINE_VIBRATO; break;
+
+ /* TODO properly */
+ case PTM_NOTE_SLIDE_UP: effect = IT_PTM_NOTE_SLIDE_UP; break;
+ case PTM_NOTE_SLIDE_DOWN: effect = IT_PTM_NOTE_SLIDE_DOWN; break;
+ case PTM_NOTE_SLIDE_UP_RETRIG: effect = IT_PTM_NOTE_SLIDE_UP_RETRIG; break;
+ case PTM_NOTE_SLIDE_DOWN_RETRIG: effect = IT_PTM_NOTE_SLIDE_DOWN_RETRIG; break;
+
+ case PTM_SET_TEMPO_BPM:
+ effect = (value < 0x20) ? (IT_SET_SPEED) : (IT_SET_SONG_TEMPO);
+ break;
+
+ case PTM_EBASE+PTM_E_SET_FINETUNE: effect = SBASE+IT_S_FINETUNE; break; /** TODO */
+ case PTM_EBASE+PTM_E_SET_LOOP: effect = SBASE+IT_S_PATTERN_LOOP; break;
+ case PTM_EBASE+PTM_E_NOTE_CUT: effect = SBASE+IT_S_DELAYED_NOTE_CUT; break;
+ case PTM_EBASE+PTM_E_NOTE_DELAY: effect = SBASE+IT_S_NOTE_DELAY; break;
+ case PTM_EBASE+PTM_E_PATTERN_DELAY: effect = SBASE+IT_S_PATTERN_DELAY; break;
+ case PTM_EBASE+PTM_E_SET_PANNING: effect = SBASE+IT_S_SET_PAN; break;
+
+ case PTM_EBASE+PTM_E_FINE_VOLSLIDE_UP:
+ effect = IT_VOLUME_SLIDE;
+ value = EFFECT_VALUE(value, 0xF);
+ break;
+
+ case PTM_EBASE + PTM_E_FINE_VOLSLIDE_DOWN:
+ effect = IT_VOLUME_SLIDE;
+ value = EFFECT_VALUE(0xF, value);
+ break;
+
+ case PTM_EBASE + PTM_E_FINE_PORTA_UP:
+ effect = IT_PORTAMENTO_UP;
+ value = EFFECT_VALUE(0xF, value);
+ break;
+
+ case PTM_EBASE + PTM_E_FINE_PORTA_DOWN:
+ effect = IT_PORTAMENTO_DOWN;
+ value = EFFECT_VALUE(0xF, value);
+ break;
+
+ case PTM_EBASE + PTM_E_RETRIG_NOTE:
+ effect = IT_XM_RETRIGGER_NOTE;
+ value = EFFECT_VALUE(0, value);
+ break;
+
+ case PTM_EBASE + PTM_E_SET_VIBRATO_CONTROL:
+ effect = SBASE+IT_S_SET_VIBRATO_WAVEFORM;
+ value &= ~4; /** TODO: value&4 -> don't retrig wave */
+ break;
+
+ case PTM_EBASE + PTM_E_SET_TREMOLO_CONTROL:
+ effect = SBASE+IT_S_SET_TREMOLO_WAVEFORM;
+ value &= ~4; /** TODO: value&4 -> don't retrig wave */
+ break;
+
+ default:
+ /* user effect (often used in demos for synchronisation) */
+ entry->mask &= ~IT_ENTRY_EFFECT;
+ }
+
+ /* Inverse linearisation... */
+ if (effect >= SBASE && effect < SBASE+16) {
+ value = EFFECT_VALUE(effect-SBASE, value);
+ effect = IT_S;
+ }
+
+ entry->effect = effect;
+ entry->effectvalue = value;
+}
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