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(svn r20353) -Add: [NewGRF] Support for callback 0x147 ("add sprite offset") for canals.

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This commit is contained in:
michi_cc 2010-08-03 17:48:07 +00:00
parent bd2f7e998c
commit 4d927af488
3 changed files with 111 additions and 32 deletions
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42
src/newgrf_canal.cpp
View File

@ -105,3 +105,45 @@ SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile)
return group->GetResult();
}
/**
* Run a specific callback for canals.
* @param callback Callback ID.
* @param param1 Callback parameter 1.
* @param param2 Callback parameter 2.
* @param feature For which feature to run the callback.
* @param tile Tile index of canal.
* @return Callback result or CALLBACK_FAILED if the callback failed.
*/
uint16 GetCanalCallback(CallbackID callback, uint32 param1, uint32 param2, CanalFeature feature, TileIndex tile)
{
ResolverObject object;
const SpriteGroup *group;
NewCanalResolver(&object, tile, _water_feature[feature].grffile);
object.callback = callback;
object.callback_param1 = param1;
object.callback_param2 = param2;
group = SpriteGroup::Resolve(_water_feature[feature].group, &object);
if (group == NULL) return CALLBACK_FAILED;
return group->GetCallbackResult();
}
/**
* Get the new sprite offset for a water tile.
* @param tile Tile index of the canal/water tile.
* @param feature For which feature to get the new sprite offset.
* @param cur_offset Current sprite offset.
* @return New sprite offset.
*/
uint GetCanalSpriteOffset(CanalFeature feature, TileIndex tile, uint cur_offset)
{
if (HasBit(_water_feature[feature].callback_mask, CBM_CANAL_SPRITE_OFFSET)) {
uint16 cb = GetCanalCallback(CBID_CANALS_SPRITE_OFFSET, cur_offset, 0, feature, tile);
if (cb != CALLBACK_FAILED) return cur_offset + cb;
}
return cur_offset;
}

4
src/newgrf_canal.h
View File

@ -15,6 +15,7 @@
#include "gfx_type.h"
#include "tile_type.h"
#include "newgrf_generic.h"
#include "newgrf_callbacks.h"
/**
* List of different canal 'features'.
@ -57,4 +58,7 @@ extern WaterFeature _water_feature[CF_END];
*/
SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile);
uint16 GetCanalCallback(CallbackID callback, uint32 param1, uint32 param2, CanalFeature feature, TileIndex tile);
uint GetCanalSpriteOffset(CanalFeature feature, TileIndex tile, uint cur_offset);
#endif /* NEWGRF_CANAL_H */

97
src/water_cmd.cpp
View File

@ -507,8 +507,42 @@ static bool IsWateredTile(TileIndex tile, Direction from)
}
}
static void DrawWaterEdges(SpriteID base, TileIndex tile)
/**
* Draw a water sprite, potentially with a NewGRF-modified sprite offset.
* @param base Sprite base.
* @param offset Sprite offset.
* @param feature The type of sprite that is drawn.
* @param tile Tile index to draw.
*/
static void DrawWaterSprite(SpriteID base, uint offset, CanalFeature feature, TileIndex tile)
{
if (base != SPR_FLAT_WATER_TILE) {
/* Only call offset callback if the sprite is NewGRF-provided. */
offset = GetCanalSpriteOffset(feature, tile, offset);
}
DrawGroundSprite(base + offset, PAL_NONE);
}
/**
* Draw canal or river edges.
* @param canal True if canal edges should be drawn, false for river edges.
* @param offset Sprite offset.
* @param tile Tile to draw.
*/
static void DrawWaterEdges(bool canal, uint offset, TileIndex tile)
{
CanalFeature feature;
SpriteID base = 0;
if (canal) {
feature = CF_DIKES;
base = GetCanalSprite(CF_DIKES, tile);
if (base == 0) base = SPR_CANAL_DIKES_BASE;
} else {
feature = CF_RIVER_EDGE;
base = GetCanalSprite(CF_RIVER_EDGE, tile);
if (base == 0) return; // Don't draw if no sprites provided.
}
uint wa;
/* determine the edges around with water. */
@ -517,33 +551,33 @@ static void DrawWaterEdges(SpriteID base, TileIndex tile)
wa += IsWateredTile(TILE_ADDXY(tile, 1, 0), DIR_NE) << 2;
wa += IsWateredTile(TILE_ADDXY(tile, 0, -1), DIR_SE) << 3;
if (!(wa & 1)) DrawGroundSprite(base, PAL_NONE);
if (!(wa & 2)) DrawGroundSprite(base + 1, PAL_NONE);
if (!(wa & 4)) DrawGroundSprite(base + 2, PAL_NONE);
if (!(wa & 8)) DrawGroundSprite(base + 3, PAL_NONE);
if (!(wa & 1)) DrawWaterSprite(base, offset, feature, tile);
if (!(wa & 2)) DrawWaterSprite(base, offset + 1, feature, tile);
if (!(wa & 4)) DrawWaterSprite(base, offset + 2, feature, tile);
if (!(wa & 8)) DrawWaterSprite(base, offset + 3, feature, tile);
/* right corner */
switch (wa & 0x03) {
case 0: DrawGroundSprite(base + 4, PAL_NONE); break;
case 3: if (!IsWateredTile(TILE_ADDXY(tile, -1, 1), DIR_W)) DrawGroundSprite(base + 8, PAL_NONE); break;
case 0: DrawWaterSprite(base, offset + 4, feature, tile); break;
case 3: if (!IsWateredTile(TILE_ADDXY(tile, -1, 1), DIR_W)) DrawWaterSprite(base, offset + 8, feature, tile); break;
}
/* bottom corner */
switch (wa & 0x06) {
case 0: DrawGroundSprite(base + 5, PAL_NONE); break;
case 6: if (!IsWateredTile(TILE_ADDXY(tile, 1, 1), DIR_N)) DrawGroundSprite(base + 9, PAL_NONE); break;
case 0: DrawWaterSprite(base, offset + 5, feature, tile); break;
case 6: if (!IsWateredTile(TILE_ADDXY(tile, 1, 1), DIR_N)) DrawWaterSprite(base, offset + 9, feature, tile); break;
}
/* left corner */
switch (wa & 0x0C) {
case 0: DrawGroundSprite(base + 6, PAL_NONE); break;
case 12: if (!IsWateredTile(TILE_ADDXY(tile, 1, -1), DIR_E)) DrawGroundSprite(base + 10, PAL_NONE); break;
case 0: DrawWaterSprite(base, offset + 6, feature, tile); break;
case 12: if (!IsWateredTile(TILE_ADDXY(tile, 1, -1), DIR_E)) DrawWaterSprite(base, offset + 10, feature, tile); break;
}
/* upper corner */
switch (wa & 0x09) {
case 0: DrawGroundSprite(base + 7, PAL_NONE); break;
case 9: if (!IsWateredTile(TILE_ADDXY(tile, -1, -1), DIR_S)) DrawGroundSprite(base + 11, PAL_NONE); break;
case 0: DrawWaterSprite(base, offset + 7, feature, tile); break;
case 9: if (!IsWateredTile(TILE_ADDXY(tile, -1, -1), DIR_S)) DrawWaterSprite(base, offset + 11, feature, tile); break;
}
}
@ -562,13 +596,9 @@ static void DrawCanalWater(TileIndex tile)
image = GetCanalSprite(CF_WATERSLOPE, tile);
if (image == 0) image = SPR_FLAT_WATER_TILE;
}
DrawGroundSprite(image, PAL_NONE);
DrawWaterSprite(image, 0, CF_WATERSLOPE, tile);
/* Test for custom graphics, else use the default */
SpriteID dikes_base = GetCanalSprite(CF_DIKES, tile);
if (dikes_base == 0) dikes_base = SPR_CANAL_DIKES_BASE;
DrawWaterEdges(dikes_base, tile);
DrawWaterEdges(true, 0, tile);
}
struct LocksDrawTileStruct {
@ -588,13 +618,15 @@ struct LocksDrawTileStruct {
* @param offset Additional sprite offset.
* @param palette Palette to use.
*/
static void DrawWaterTileStruct(const TileInfo *ti, const WaterDrawTileStruct *wdts, SpriteID base, uint offset, PaletteID palette)
static void DrawWaterTileStruct(const TileInfo *ti, const WaterDrawTileStruct *wdts, SpriteID base, uint offset, PaletteID palette, CanalFeature feature)
{
/* Don't draw if buildings are invisible. */
if (IsInvisibilitySet(TO_BUILDINGS)) return;
for (; wdts->delta_x != 0x80; wdts++) {
AddSortableSpriteToDraw(base + wdts->image + offset, palette,
uint tile_offs = offset + wdts->image;
if (feature < CF_END) tile_offs = GetCanalSpriteOffset(feature, ti->tile, tile_offs);
AddSortableSpriteToDraw(base + tile_offs, palette,
ti->x + wdts->delta_x, ti->y + wdts->delta_y,
wdts->size_x, wdts->size_y,
wdts->size_z, ti->z + wdts->delta_z,
@ -636,7 +668,7 @@ static void DrawWaterLock(const TileInfo *ti)
zoffs = ti->z > wdts[3].delta_y ? 24 : 0;
}
DrawWaterTileStruct(ti, wdts, base, zoffs, PAL_NONE);
DrawWaterTileStruct(ti, wdts, base, zoffs, PAL_NONE, CF_LOCKS);
}
/** Draw a ship depot tile. */
@ -644,13 +676,14 @@ static void DrawWaterDepot(const TileInfo *ti)
{
DrawWaterClassGround(ti);
/* Skip first entry in _shipdepot_display_seq as this is the ground sprite. */
DrawWaterTileStruct(ti, _shipdepot_display_seq[GetSection(ti->tile)] + 1, 0, 0, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)));
DrawWaterTileStruct(ti, _shipdepot_display_seq[GetSection(ti->tile)] + 1, 0, 0, COMPANY_SPRITE_COLOUR(GetTileOwner(ti->tile)), CF_END);
}
static void DrawRiverWater(const TileInfo *ti)
{
SpriteID image = SPR_FLAT_WATER_TILE;
SpriteID edges_base = GetCanalSprite(CF_RIVER_EDGE, ti->tile);
uint offset = 0;
uint edges_offset = 0;
if (ti->tileh != SLOPE_FLAT || HasBit(_water_feature[CF_RIVER_SLOPE].flags, CFF_HAS_FLAT_SPRITE)) {
image = GetCanalSprite(CF_RIVER_SLOPE, ti->tile);
@ -664,24 +697,24 @@ static void DrawRiverWater(const TileInfo *ti)
}
} 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;
offset = HasBit(_water_feature[CF_RIVER_SLOPE].flags, CFF_HAS_FLAT_SPRITE) ? 1 : 0;
switch (ti->tileh) {
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;
case SLOPE_SE: edges_offset += 12; break;
case SLOPE_NE: offset += 1; edges_offset += 24; break;
case SLOPE_SW: offset += 2; edges_offset += 36; break;
case SLOPE_NW: offset += 3; edges_offset += 48; break;
default: offset = 0; break;
}
image += offset;
offset = GetCanalSpriteOffset(CF_RIVER_SLOPE, ti->tile, offset);
}
}
DrawGroundSprite(image, PAL_NONE);
DrawGroundSprite(image + offset, PAL_NONE);
/* Draw river edges if available. */
if (edges_base > 48) DrawWaterEdges(edges_base, ti->tile);
DrawWaterEdges(false, edges_offset, ti->tile);
}
void DrawShoreTile(Slope tileh)