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-rw-r--r--newgrf.c189
1 files changed, 186 insertions, 3 deletions
diff --git a/newgrf.c b/newgrf.c
index 6a552066d..0db17f0e7 100644
--- a/newgrf.c
+++ b/newgrf.c
@@ -25,6 +25,8 @@
#include "table/sprites.h"
#include "date.h"
#include "currency.h"
+#include "sound.h"
+#include "newgrf_sound.h"
#include "newgrf_spritegroup.h"
/* TTDPatch extended GRF format codec
@@ -58,6 +60,14 @@ static uint32 _ttdpatch_flags[8];
static byte *_preload_sprite = NULL;
+typedef enum GrfDataType {
+ GDT_SOUND,
+} GrfDataType;
+
+static byte _grf_data_blocks;
+static GrfDataType _grf_data_type;
+
+
typedef enum grfspec_feature {
GSF_TRAIN,
GSF_ROAD,
@@ -1182,6 +1192,67 @@ static bool GlobalVarChangeInfo(uint gvid, int numinfo, int prop, byte **bufp, i
return ret;
}
+static bool SoundEffectChangeInfo(uint sid, int numinfo, int prop, byte **bufp, int len)
+{
+ byte *buf = *bufp;
+ int i;
+ bool ret = false;
+
+ if (_cur_grffile->sound_offset == 0) {
+ grfmsg(GMS_WARN, "SoundEffectChangeInfo: No effects defined, skipping.");
+ return false;
+ }
+
+ switch (prop) {
+ case 0x08: /* Relative volume */
+ FOR_EACH_OBJECT {
+ uint sound = sid + i + _cur_grffile->sound_offset - GetNumOriginalSounds();
+
+ if (sound >= GetNumSounds()) {
+ grfmsg(GMS_WARN, "SoundEffectChangeInfo: Sound %d not defined (max %d)", sound, GetNumSounds());
+ } else {
+ GetSound(sound)->volume = grf_load_byte(&buf);
+ }
+ }
+ break;
+
+ case 0x09: /* Priority */
+ FOR_EACH_OBJECT {
+ uint sound = sid + i + _cur_grffile->sound_offset - GetNumOriginalSounds();
+
+ if (sound >= GetNumSounds()) {
+ grfmsg(GMS_WARN, "SoundEffectChangeInfo: Sound %d not defined (max %d)", sound, GetNumSounds());
+ } else {
+ GetSound(sound)->priority = grf_load_byte(&buf);
+ }
+ }
+ break;
+
+ case 0x0A: /* Override old sound */
+ FOR_EACH_OBJECT {
+ uint sound = sid + i + _cur_grffile->sound_offset - GetNumOriginalSounds();
+ uint orig_sound = grf_load_byte(&buf);
+
+ if (sound >= GetNumSounds() || orig_sound >= GetNumSounds()) {
+ grfmsg(GMS_WARN, "SoundEffectChangeInfo: Sound %d or %d not defined (max %d)", sound, orig_sound, GetNumSounds());
+ } else {
+ FileEntry *newfe = GetSound(sound);
+ FileEntry *oldfe = GetSound(orig_sound);
+
+ /* Literally copy the data of the new sound over the original */
+ memcpy(oldfe, newfe, sizeof(*oldfe));
+ }
+ }
+ break;
+
+ default:
+ ret = true;
+ }
+
+ *bufp = buf;
+ return ret;
+}
+
/* Action 0x00 */
static void FeatureChangeInfo(byte *buf, int len)
{
@@ -1214,7 +1285,7 @@ static void FeatureChangeInfo(byte *buf, int len)
/* GSF_INDUSTRYTILES */NULL,
/* GSF_INDUSTRIES */ NULL,
/* GSF_CARGOS */ NULL,
- /* GSF_SOUNDFX */ NULL,
+ /* GSF_SOUNDFX */ SoundEffectChangeInfo,
};
uint8 feature;
@@ -2708,6 +2779,113 @@ static void DefineGotoLabel(byte *buf, int len)
grfmsg(GMS_NOTICE, "DefineGotoLabel: GOTO target with label 0x%02X", label->label);
}
+/* Action 0x11 */
+static void GRFSound(byte *buf, int len)
+{
+ /* <11> <num>
+ *
+ * W num Number of sound files that follow */
+
+ uint16 num;
+
+ check_length(len, 1, "GRFSound");
+ buf++;
+ num = grf_load_word(&buf);
+
+ _grf_data_blocks = num;
+ _grf_data_type = GDT_SOUND;
+
+ if (_cur_grffile->sound_offset == 0) _cur_grffile->sound_offset = GetNumSounds();
+}
+
+static void LoadGRFSound(byte *buf, int len)
+{
+ byte *buf_start = buf;
+ FileEntry *se;
+
+ /* Allocate a sound entry. This is done even if the data is not loaded
+ * so that the indices used elsewhere are still correct. */
+ se = AllocateFileEntry();
+
+ if (grf_load_dword(&buf) != 'FFIR') {
+ grfmsg(GMS_WARN, "LoadGRFSound: Missing RIFF header");
+ return;
+ }
+
+ /* Size of file -- we ignore this */
+ grf_load_dword(&buf);
+
+ if (grf_load_dword(&buf) != 'EVAW') {
+ grfmsg(GMS_WARN, "LoadGRFSound: Invalid RIFF type");
+ return;
+ }
+
+ for (;;) {
+ uint32 tag = grf_load_dword(&buf);
+ uint32 size = grf_load_dword(&buf);
+
+ switch (tag) {
+ case ' tmf': /* 'fmt ' */
+ /* Audio format, must be 1 (PCM) */
+ if (grf_load_word(&buf) != 1) {
+ grfmsg(GMS_WARN, "LoadGRFSound: Invalid audio format");
+ return;
+ }
+ se->channels = grf_load_word(&buf);
+ se->rate = grf_load_dword(&buf);
+ grf_load_dword(&buf);
+ grf_load_word(&buf);
+ se->bits_per_sample = grf_load_word(&buf);
+
+ /* Consume any extra bytes */
+ for (; size > 16; size--) grf_load_byte(&buf);
+ break;
+
+ case 'atad': /* 'data' */
+ se->file_size = size;
+ se->file_offset = FioGetPos() - (len - (buf - buf_start)) + 1;
+ se->file_offset |= _file_index << 24;
+
+ /* Set default volume and priority */
+ se->volume = 0x80;
+ se->priority = 0;
+
+ grfmsg(GMS_NOTICE, "LoadGRFSound: channels %u, sample rate %u, bits per sample %u, length %u", se->channels, se->rate, se->bits_per_sample, size);
+ return;
+
+ default:
+ se->file_size = 0;
+ return;
+ }
+ }
+}
+
+/* 'Action 0xFF' */
+static void GRFDataBlock(byte *buf, int len)
+{
+ byte name_len;
+ const char *name;
+
+ if (_grf_data_blocks == 0) {
+ grfmsg(GMS_WARN, "GRFDataBlock: unexpected data block, skipping.");
+ return;
+ }
+
+ buf++;
+ name_len = grf_load_byte(&buf);
+ name = (const char *)buf;
+ buf += name_len + 1;
+
+ grfmsg(GMS_NOTICE, "GRFDataBlock: block name '%s'...", name);
+
+ _grf_data_blocks--;
+
+ switch (_grf_data_type) {
+ case GDT_SOUND: LoadGRFSound(buf, len - name_len - 2); break;
+ default: NOT_REACHED(); break;
+ }
+}
+
static void InitializeGRFSpecial(void)
{
_ttdpatch_flags[0] = ((_patches.always_small_airport ? 1 : 0) << 0x0C) // keepsmallairport
@@ -2878,6 +3056,7 @@ static void ResetNewGRFData(void)
_traininfo_vehicle_pitch = 0;
_traininfo_vehicle_width = 29;
+ InitializeSoundPool();
InitializeSpriteGroupPool();
}
@@ -2986,7 +3165,7 @@ static void DecodeSpecialSprite(uint num, uint stage)
/* We need a pre-stage to set up GOTO labels of Action 0x10 because the grf
* is not in memory and scanning the file every time would be too expensive.
* In other stages we skip action 0x10 since it's already dealt with. */
- static const uint32 action_mask[] = {0x10000, 0x0000FB40, 0x0000FFFF};
+ static const uint32 action_mask[] = {0x10000, 0x0002FB40, 0x0000FFFF};
static const SpecialSpriteHandler handlers[] = {
/* 0x00 */ FeatureChangeInfo,
@@ -3006,6 +3185,7 @@ static void DecodeSpecialSprite(uint num, uint stage)
/* 0x0E */ GRFInhibit,
/* 0x0F */ NULL, // TODO implement
/* 0x10 */ DefineGotoLabel,
+ /* 0x11 */ GRFSound,
};
byte* buf;
@@ -3029,7 +3209,10 @@ static void DecodeSpecialSprite(uint num, uint stage)
action = buf[0];
- if (action >= lengthof(handlers)) {
+ if (action == 0xFF) {
+ DEBUG(grf, 7) ("Handling data block in stage %d", stage);
+ GRFDataBlock(buf, num);
+ } else if (action >= lengthof(handlers)) {
DEBUG(grf, 7) ("Skipping unknown action 0x%02X", action);
} else if (!HASBIT(action_mask[stage], action)) {
DEBUG(grf, 7) ("Skipping action 0x%02X in stage %d", action, stage);
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-07-26 03:17:28 +0000