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(svn r20352) -Add: [NewGRF] Support for property 09, feature 05, i.e alternate canal sprite layout.

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This commit is contained in:
michi_cc 2010-08-03 17:48:03 +00:00
parent 80943c5ec7
commit 33ab403be8
2 changed files with 42 additions and 15 deletions
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13
src/newgrf_canal.h
View File

@ -31,12 +31,17 @@ enum CanalFeature {
CF_END,
};
/** Flags controlling the display of canals. */
enum CanalFeatureFlag {
CFF_HAS_FLAT_SPRITE = 0, ///< Additional flat ground sprite in the beginning.
};
/** Information about a water feature. */
struct WaterFeature {
const SpriteGroup *group;
const GRFFile *grffile; ///< newgrf where 'group' belongs to
uint8 callback_mask; ///< Bitmask of canal callbacks that have to be called
uint8 flags;
const SpriteGroup *group; ///< Sprite group to start resolving.
const GRFFile *grffile; ///< NewGRF where 'group' belongs to.
uint8 callback_mask; ///< Bitmask of canal callbacks that have to be called.
uint8 flags; ///< Flags controlling display.
};

44
src/water_cmd.cpp
View File

@ -556,7 +556,13 @@ static void DrawSeaWater(TileIndex tile)
/** draw a canal styled water tile with dikes around */
static void DrawCanalWater(TileIndex tile)
{
DrawGroundSprite(SPR_FLAT_WATER_TILE, PAL_NONE);
SpriteID image = SPR_FLAT_WATER_TILE;
if (HasBit(_water_feature[CF_WATERSLOPE].flags, CFF_HAS_FLAT_SPRITE)) {
/* First water slope sprite is flat water. */
image = GetCanalSprite(CF_WATERSLOPE, tile);
if (image == 0) image = SPR_FLAT_WATER_TILE;
}
DrawGroundSprite(image, PAL_NONE);
/* Test for custom graphics, else use the default */
SpriteID dikes_base = GetCanalSprite(CF_DIKES, tile);
@ -602,11 +608,22 @@ static void DrawWaterLock(const TileInfo *ti)
const WaterDrawTileStruct *wdts = _lock_display_seq[GetSection(ti->tile)];
/* Draw ground sprite. */
SpriteID water_base = GetCanalSprite(CF_WATERSLOPE, ti->tile);
if (water_base == 0) water_base = SPR_CANALS_BASE;
SpriteID image = wdts++->image;
if (image < 4) image += water_base;
SpriteID water_base = GetCanalSprite(CF_WATERSLOPE, ti->tile);
if (water_base == 0) {
/* Use default sprites. */
water_base = SPR_CANALS_BASE;
} else if (HasBit(_water_feature[CF_WATERSLOPE].flags, CFF_HAS_FLAT_SPRITE)) {
/* NewGRF supplies a flat sprite as first sprite. */
if (image == SPR_FLAT_WATER_TILE) {
image = water_base;
} else {
image++;
}
}
if (image < 5) image += water_base;
DrawGroundSprite(image, PAL_NONE);
/* Draw structures. */
@ -635,7 +652,7 @@ static void DrawRiverWater(const TileInfo *ti)
SpriteID image = SPR_FLAT_WATER_TILE;
SpriteID edges_base = GetCanalSprite(CF_RIVER_EDGE, ti->tile);
if (ti->tileh != SLOPE_FLAT) {
if (ti->tileh != SLOPE_FLAT || HasBit(_water_feature[CF_RIVER_SLOPE].flags, CFF_HAS_FLAT_SPRITE)) {
image = GetCanalSprite(CF_RIVER_SLOPE, ti->tile);
if (image == 0) {
switch (ti->tileh) {
@ -646,13 +663,18 @@ static void DrawRiverWater(const TileInfo *ti)
default: image = SPR_FLAT_WATER_TILE; break;
}
} else {
/* Flag bit 0 indicates that the first sprite is flat water. */
uint offset = HasBit(_water_feature[CF_RIVER_SLOPE].flags, CFF_HAS_FLAT_SPRITE) ? 1 : 0;
switch (ti->tileh) {
default: NOT_REACHED();
case SLOPE_SE: edges_base += 12; break;
case SLOPE_NE: image += 1; edges_base += 24; break;
case SLOPE_SW: image += 2; edges_base += 36; break;
case SLOPE_NW: image += 3; edges_base += 48; break;
case SLOPE_SE: edges_base += 12; break;
case SLOPE_NE: offset += 1; edges_base += 24; break;
case SLOPE_SW: offset += 2; edges_base += 36; break;
case SLOPE_NW: offset += 3; edges_base += 48; break;
default: offset = 0; break;
}
image += offset;
}
}