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-rw-r--r--src/newgrf.cpp33
-rw-r--r--src/newgrf_canal.cpp96
-rw-r--r--src/newgrf_canal.h29
-rw-r--r--src/newgrf_spritegroup.h3
-rw-r--r--src/table/water_land.h56
-rw-r--r--src/water_cmd.cpp51
6 files changed, 226 insertions, 42 deletions
diff --git a/src/newgrf.cpp b/src/newgrf.cpp
index 97411ca03..45075b65f 100644
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -39,6 +39,7 @@
#include "table/town_land.h"
#include "cargotype.h"
#include "industry.h"
+#include "newgrf_canal.h"
/* TTDPatch extended GRF format codec
* (c) Petr Baudis 2004 (GPL'd)
@@ -2244,6 +2245,7 @@ static void NewSpriteGroup(byte *buf, int len)
case GSF_SHIP:
case GSF_AIRCRAFT:
case GSF_STATION:
+ case GSF_CANAL:
case GSF_CARGOS:
{
byte sprites = _cur_grffile->spriteset_numents;
@@ -2513,6 +2515,30 @@ static void VehicleMapSpriteGroup(byte *buf, byte feature, uint8 idcount, uint8
}
+static void CanalMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
+{
+ byte *bp = &buf[4 + idcount + cidcount * 3];
+ uint16 groupid = grf_load_word(&bp);
+
+ if (groupid >= _cur_grffile->spritegroups_count || _cur_grffile->spritegroups[groupid] == NULL) {
+ grfmsg(1, "CanalMapSpriteGroup: Spriteset 0x%04X out of range 0x%X or empty, skipping.",
+ groupid, _cur_grffile->spritegroups_count);
+ return;
+ }
+
+ for (uint i = 0; i < idcount; i++) {
+ CanalFeature cf = (CanalFeature)buf[3 + i];
+
+ if (cf >= CF_END) {
+ grfmsg(1, "CanalMapSpriteGroup: Canal subset %d out of range, skipping", cf);
+ continue;
+ }
+
+ _canal_sg[cf] = _cur_grffile->spritegroups[groupid];
+ }
+}
+
+
static void StationMapSpriteGroup(byte *buf, uint8 idcount, uint8 cidcount)
{
for (uint i = 0; i < idcount; i++) {
@@ -2661,6 +2687,10 @@ static void FeatureMapSpriteGroup(byte *buf, int len)
VehicleMapSpriteGroup(buf, feature, idcount, cidcount, wagover);
return;
+ case GSF_CANAL:
+ CanalMapSpriteGroup(buf, idcount, cidcount);
+ return;
+
case GSF_STATION:
StationMapSpriteGroup(buf, idcount, cidcount);
return;
@@ -4315,6 +4345,9 @@ static void ResetNewGRFData()
ResetStationClasses();
ResetCustomStations();
+ /* Reset canal sprite groups */
+ memset(_canal_sg, 0, sizeof(_canal_sg));
+
/* Reset the snowline table. */
ClearSnowLine();
diff --git a/src/newgrf_canal.cpp b/src/newgrf_canal.cpp
new file mode 100644
index 000000000..9a4ebe233
--- /dev/null
+++ b/src/newgrf_canal.cpp
@@ -0,0 +1,96 @@
+/* $Id$ */
+
+#include "stdafx.h"
+#include "openttd.h"
+#include "variables.h"
+#include "landscape.h"
+#include "debug.h"
+#include "newgrf.h"
+#include "newgrf_callbacks.h"
+#include "newgrf_spritegroup.h"
+#include "newgrf_canal.h"
+
+
+/** Table of canal 'feature' sprite groups */
+const SpriteGroup *_canal_sg[CF_END];
+
+
+/* Random bits and triggers are not supported for canals, so the following
+ * three functions are stubs. */
+static uint32 CanalGetRandomBits(const ResolverObject *object)
+{
+ return 0;
+}
+
+
+static uint32 CanalGetTriggers(const ResolverObject *object)
+{
+ return 0;
+}
+
+
+static void CanalSetTriggers(const ResolverObject *object, int triggers)
+{
+ return;
+}
+
+
+static uint32 CanalGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
+{
+ TileIndex tile = object->u.canal.tile;
+
+ switch (variable) {
+ case 0x80:
+ return TileHeight(tile);
+
+ case 0x81:
+ return ((_opt.landscape == LT_ARCTIC && GetTileZ(tile) > GetSnowLine()) ? 4 : 0) |
+ (_opt.landscape == LT_TROPIC ? GetTropicZone(tile) : 0);
+ }
+
+ DEBUG(grf, 1, "Unhandled canal property 0x%02X", variable);
+
+ *available = false;
+ return 0;
+}
+
+
+static const SpriteGroup *CanalResolveReal(const ResolverObject *object, const SpriteGroup *group)
+{
+ if (group->g.real.num_loaded == 0) return NULL;
+
+ return group->g.real.loaded[0];
+}
+
+
+static void NewCanalResolver(ResolverObject *res, TileIndex tile)
+{
+ res->GetRandomBits = &CanalGetRandomBits;
+ res->GetTriggers = &CanalGetTriggers;
+ res->SetTriggers = &CanalSetTriggers;
+ res->GetVariable = &CanalGetVariable;
+ res->ResolveReal = &CanalResolveReal;
+
+ res->u.canal.tile = tile;
+
+ res->callback = 0;
+ res->callback_param1 = 0;
+ res->callback_param2 = 0;
+ res->last_value = 0;
+ res->trigger = 0;
+ res->reseed = 0;
+}
+
+
+SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile)
+{
+ ResolverObject object;
+ const SpriteGroup *group;
+
+ NewCanalResolver(&object, tile);
+
+ group = Resolve(_canal_sg[feature], &object);
+ if (group == NULL || group->type != SGT_RESULT) return 0;
+
+ return group->g.result.sprite;
+}
diff --git a/src/newgrf_canal.h b/src/newgrf_canal.h
new file mode 100644
index 000000000..23fb3a9a8
--- /dev/null
+++ b/src/newgrf_canal.h
@@ -0,0 +1,29 @@
+/* $Id$ */
+
+#ifndef NEWGRF_CANAL_H
+#define NEWGRF_CANAL_H
+
+/** List of different canal 'features'.
+ * Each feature gets an entry in the canal spritegroup table */
+enum CanalFeature {
+ CF_WATERSLOPE,
+ CF_LOCKS,
+ CF_DIKES,
+ CF_ICON,
+ CF_DOCKS,
+ CF_END,
+};
+
+
+/** Table of canal 'feature' sprite groups */
+extern const SpriteGroup *_canal_sg[CF_END];
+
+
+/** Lookup the base sprite to use for a canal.
+ * @param feature Which canal feature we want.
+ * @param tile Tile index of canal, if appropriate.
+ * @return Base sprite returned by GRF, or 0 if none.
+ */
+SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile);
+
+#endif /* NEWGRF_CANAL_H */
diff --git a/src/newgrf_spritegroup.h b/src/newgrf_spritegroup.h
index fc5fcb514..83cead28a 100644
--- a/src/newgrf_spritegroup.h
+++ b/src/newgrf_spritegroup.h
@@ -184,6 +184,9 @@ struct ResolverObject {
} vehicle;
struct {
TileIndex tile;
+ } canal;
+ struct {
+ TileIndex tile;
const struct Station *st;
const struct StationSpec *statspec;
CargoID cargo_type;
diff --git a/src/table/water_land.h b/src/table/water_land.h
index 9562c1d02..c6de3c9c8 100644
--- a/src/table/water_land.h
+++ b/src/table/water_land.h
@@ -47,86 +47,86 @@ static const WaterDrawTileStruct* const _shipdepot_display_seq[] = {
};
static const WaterDrawTileStruct _shiplift_display_seq_0[] = {
- BEGIN(SPR_CANALS_BASE + 6),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 0 + 1 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 4 + 1 },
+ BEGIN(1),
+ { 0, 0, 0, 0x10, 1, 0x14, 0 + 1 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 4 + 1 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_1[] = {
- BEGIN(SPR_CANALS_BASE + 5),
- { 0, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 0 },
- { 0xF, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 4 },
+ BEGIN(0),
+ { 0, 0, 0, 1, 0x10, 0x14, 0 },
+ { 0xF, 0, 0, 1, 0x10, 0x14, 4 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_2[] = {
- BEGIN(SPR_CANALS_BASE + 7),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 0 + 2 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 4 + 2 },
+ BEGIN(2),
+ { 0, 0, 0, 0x10, 1, 0x14, 0 + 2 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 4 + 2 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_3[] = {
- BEGIN(SPR_CANALS_BASE + 8),
- { 0, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 0 + 3 },
- { 0xF, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 4 + 3 },
+ BEGIN(3),
+ { 0, 0, 0, 1, 0x10, 0x14, 0 + 3 },
+ { 0xF, 0, 0, 1, 0x10, 0x14, 4 + 3 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_0b[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 8 + 1 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 12 + 1 },
+ { 0, 0, 0, 0x10, 1, 0x14, 8 + 1 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 12 + 1 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_1b[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 8 },
- { 0xF, 0, 0, 0x1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 12 },
+ { 0, 0, 0, 0x1, 0x10, 0x14, 8 },
+ { 0xF, 0, 0, 0x1, 0x10, 0x14, 12 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_2b[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 8 + 2 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 12 + 2 },
+ { 0, 0, 0, 0x10, 1, 0x14, 8 + 2 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 12 + 2 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_3b[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 8 + 3 },
- { 0xF, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 12 + 3 },
+ { 0, 0, 0, 1, 0x10, 0x14, 8 + 3 },
+ { 0xF, 0, 0, 1, 0x10, 0x14, 12 + 3 },
END(0)
};
static const WaterDrawTileStruct _shiplift_display_seq_0t[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 16 + 1 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 20 + 1 },
+ { 0, 0, 0, 0x10, 1, 0x14, 16 + 1 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 20 + 1 },
END(8)
};
static const WaterDrawTileStruct _shiplift_display_seq_1t[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 16 },
- { 0xF, 0, 0, 0x1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 20 },
+ { 0, 0, 0, 0x1, 0x10, 0x14, 16 },
+ { 0xF, 0, 0, 0x1, 0x10, 0x14, 20 },
END(8)
};
static const WaterDrawTileStruct _shiplift_display_seq_2t[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 16 + 2 },
- { 0, 0xF, 0, 0x10, 1, 0x14, SPR_CANALS_BASE + 9 + 20 + 2 },
+ { 0, 0, 0, 0x10, 1, 0x14, 16 + 2 },
+ { 0, 0xF, 0, 0x10, 1, 0x14, 20 + 2 },
END(8)
};
static const WaterDrawTileStruct _shiplift_display_seq_3t[] = {
BEGIN(0xFDD),
- { 0, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 16 + 3 },
- { 0xF, 0, 0, 1, 0x10, 0x14, SPR_CANALS_BASE + 9 + 20 + 3 },
+ { 0, 0, 0, 1, 0x10, 0x14, 16 + 3 },
+ { 0xF, 0, 0, 1, 0x10, 0x14, 20 + 3 },
END(8)
};
diff --git a/src/water_cmd.cpp b/src/water_cmd.cpp
index 67dcb6f50..69210cfe0 100644
--- a/src/water_cmd.cpp
+++ b/src/water_cmd.cpp
@@ -25,6 +25,7 @@
#include "train.h"
#include "water_map.h"
#include "newgrf.h"
+#include "newgrf_canal.h"
static const SpriteID _water_shore_sprites[] = {
0,
@@ -373,39 +374,43 @@ void DrawCanalWater(TileIndex tile)
{
uint wa;
+ /* Test for custom graphics, else use the default */
+ SpriteID dikes_base = GetCanalSprite(CF_DIKES, tile);
+ if (dikes_base == 0) dikes_base = SPR_CANALS_BASE + 57;
+
/* determine the edges around with water. */
wa = IsWateredTile(TILE_ADDXY(tile, -1, 0)) << 0;
wa += IsWateredTile(TILE_ADDXY(tile, 0, 1)) << 1;
wa += IsWateredTile(TILE_ADDXY(tile, 1, 0)) << 2;
wa += IsWateredTile(TILE_ADDXY(tile, 0, -1)) << 3;
- if (!(wa & 1)) DrawGroundSprite(SPR_CANALS_BASE + 57, PAL_NONE);
- if (!(wa & 2)) DrawGroundSprite(SPR_CANALS_BASE + 58, PAL_NONE);
- if (!(wa & 4)) DrawGroundSprite(SPR_CANALS_BASE + 59, PAL_NONE);
- if (!(wa & 8)) DrawGroundSprite(SPR_CANALS_BASE + 60, PAL_NONE);
+ if (!(wa & 1)) DrawGroundSprite(dikes_base, PAL_NONE);
+ if (!(wa & 2)) DrawGroundSprite(dikes_base + 1, PAL_NONE);
+ if (!(wa & 4)) DrawGroundSprite(dikes_base + 2, PAL_NONE);
+ if (!(wa & 8)) DrawGroundSprite(dikes_base + 3, PAL_NONE);
/* right corner */
switch (wa & 0x03) {
- case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 4, PAL_NONE); break;
- case 3: if (!IsWateredTile(TILE_ADDXY(tile, -1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 8, PAL_NONE); break;
+ case 0: DrawGroundSprite(dikes_base + 4, PAL_NONE); break;
+ case 3: if (!IsWateredTile(TILE_ADDXY(tile, -1, 1))) DrawGroundSprite(dikes_base + 8, PAL_NONE); break;
}
/* bottom corner */
switch (wa & 0x06) {
- case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 5, PAL_NONE); break;
- case 6: if (!IsWateredTile(TILE_ADDXY(tile, 1, 1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 9, PAL_NONE); break;
+ case 0: DrawGroundSprite(dikes_base + 5, PAL_NONE); break;
+ case 6: if (!IsWateredTile(TILE_ADDXY(tile, 1, 1))) DrawGroundSprite(dikes_base + 9, PAL_NONE); break;
}
/* left corner */
switch (wa & 0x0C) {
- case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 6, PAL_NONE); break;
- case 12: if (!IsWateredTile(TILE_ADDXY(tile, 1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 10, PAL_NONE); break;
+ case 0: DrawGroundSprite(dikes_base + 6, PAL_NONE); break;
+ case 12: if (!IsWateredTile(TILE_ADDXY(tile, 1, -1))) DrawGroundSprite(dikes_base + 10, PAL_NONE); break;
}
/* upper corner */
switch (wa & 0x09) {
- case 0: DrawGroundSprite(SPR_CANALS_BASE + 57 + 7, PAL_NONE); break;
- case 9: if (!IsWateredTile(TILE_ADDXY(tile, -1, -1))) DrawGroundSprite(SPR_CANALS_BASE + 57 + 11, PAL_NONE); break;
+ case 0: DrawGroundSprite(dikes_base + 7, PAL_NONE); break;
+ case 9: if (!IsWateredTile(TILE_ADDXY(tile, -1, -1))) DrawGroundSprite(dikes_base + 11, PAL_NONE); break;
}
}
@@ -421,12 +426,30 @@ static void DrawWaterStuff(const TileInfo *ti, const WaterDrawTileStruct *wdts,
SpriteID palette, uint base
)
{
- DrawGroundSprite(wdts++->image, PAL_NONE);
+ SpriteID image;
+ SpriteID water_base = GetCanalSprite(CF_WATERSLOPE, ti->tile);
+ SpriteID locks_base = GetCanalSprite(CF_LOCKS, ti->tile);
+
+ /* If no custom graphics, use defaults */
+ if (water_base == 0) water_base = SPR_CANALS_BASE + 5;
+ if (locks_base == 0) {
+ locks_base = SPR_CANALS_BASE + 9;
+ } else {
+ /* If using custom graphics, ignore the variation on height */
+ base = 0;
+ }
+
+ image = wdts++->image;
+ if (image < 4) image += water_base;
+ DrawGroundSprite(image, PAL_NONE);
for (; wdts->delta_x != 0x80; wdts++) {
- SpriteID image = wdts->image + base;
+ SpriteID image = wdts->image;
SpriteID pal;
+ if (image < 24) image += locks_base;
+ image += base;
+
if (HASBIT(_transparent_opt, TO_BUILDINGS)) {
SETBIT(image, PALETTE_MODIFIER_TRANSPARENT);
pal = PALETTE_TO_TRANSPARENT;
generated by cgit v1.2.3-54-g00ecf (git 2.44.0) at 2024-06-29 13:39:45 +0000