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/* $Id$ */
/** @file newgrf_industrytiles.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "functions.h"
#include "variables.h"
#include "debug.h"
#include "viewport.h"
#include "landscape.h"
#include "newgrf.h"
#include "industry.h"
#include "newgrf_commons.h"
#include "newgrf_spritegroup.h"
#include "newgrf_callbacks.h"
#include "newgrf_industries.h"
#include "newgrf_text.h"
#include "industry_map.h"
#include "clear_map.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "sprite.h"
/**
* Based on newhouses equivalent, but adapted for newindustries
* @param parameter from callback. It's in fact a pair of coordinates
* @param tile TileIndex from which the callback was initiated
* @param index of the industry been queried for
* @return a construction of bits obeying the newgrf format
*/
static uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index)
{
byte tile_type;
bool is_same_industry;
tile = GetNearbyTile(parameter, tile);
is_same_industry = (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == index);
tile_type = GetTerrainType(tile) << 2 | (IsTileType(tile, MP_WATER) ? 1 : 0) << 1 | (is_same_industry ? 1 : 0);
return GetTileType(tile) << 24 | (TileHeight(tile) * 8) << 16 | tile_type << 8 | GetTileSlope(tile, NULL);
}
/** This is the position of the tile relative to the northernmost tile of the industry.
* Format: 00yxYYXX
* Variable Content
* x the x offset from the northernmost tile
* XX same, but stored in a byte instead of a nibble
* y the y offset from the northernmost tile
* YY same, but stored in a byte instead of a nibble
* @param tile TileIndex of the tile to evaluate
* @param ind_tile northernmost tile of the industry
*/
static uint32 GetRelativePosition(TileIndex tile, TileIndex ind_tile)
{
byte x = TileX(tile) - TileX(ind_tile);
byte y = TileY(tile) - TileY(ind_tile);
return ((y & 0xF) << 20) | ((x & 0xF) << 16) | (y << 8) | x;
}
static uint32 IndustryTileGetVariable(const ResolverObject *object, byte variable, byte parameter, bool *available)
{
const Industry *inds = object->u.industry.ind;
TileIndex tile = object->u.industry.tile;
if (object->scope == VSG_SCOPE_PARENT) {
return IndustryGetVariable(object, variable, parameter, available);
}
switch (variable) {
/* Construction state of the tile: a value between 0 and 3 */
case 0x40 : return (IsTileType(tile, MP_INDUSTRY)) ? GetIndustryConstructionStage(tile) : 0;
case 0x41 : return GetTerrainType(tile);
/* Current town zone of the tile in the nearest town */
case 0x42 : return GetTownRadiusGroup(ClosestTownFromTile(tile, (uint)-1), tile);
/* Relative position */
case 0x43 : return GetRelativePosition(tile, inds->xy);
/* Animation frame. Like house variable 46 but can contain anything 0..FF. */
case 0x44 : return (IsTileType(tile, MP_INDUSTRY)) ? GetIndustryAnimationState(tile) : 0;
/* Land info of nearby tiles */
case 0x60 : return GetNearbyIndustryTileInformation(parameter, tile, inds == NULL ? (IndustryID)INVALID_INDUSTRY : inds->index);
case 0x61 : {/* Animation stage of nearby tiles */
tile = GetNearbyTile(parameter, tile);
if (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == inds) {
return GetIndustryAnimationState(tile);
}
return 0xFFFFFFFF;
}
/* Get industry tile ID at offset */
case 0x62 : return GetIndustryIDAtOffset(GetNearbyTile(parameter, tile), tile, inds);
}
return 0;
}
static const SpriteGroup *IndustryTileResolveReal(const ResolverObject *object, const SpriteGroup *group)
{
/* IndustryTile do not have 'real' groups. Or do they?? */
return NULL;
}
uint32 IndustryTileGetRandomBits(const ResolverObject *object)
{
const TileIndex tile = object->u.industry.tile;
return (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) ? 0 : GetIndustryRandomBits(tile);
}
uint32 IndustryTileGetTriggers(const ResolverObject *object)
{
const TileIndex tile = object->u.industry.tile;
return (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) ? 0 : GetIndustryTriggers(tile);
}
void IndustryTileSetTriggers(const ResolverObject *object, int triggers)
{
const TileIndex tile = object->u.industry.tile;
if (IsTileType(tile, MP_INDUSTRY)) SetIndustryTriggers(tile, triggers);
}
static void NewIndustryTileResolver(ResolverObject *res, IndustryGfx gfx, TileIndex tile, Industry *indus)
{
res->GetRandomBits = IndustryTileGetRandomBits;
res->GetTriggers = IndustryTileGetTriggers;
res->SetTriggers = IndustryTileSetTriggers;
res->GetVariable = IndustryTileGetVariable;
res->ResolveReal = IndustryTileResolveReal;
res->u.industry.tile = tile;
res->u.industry.ind = indus;
res->u.industry.gfx = gfx;
res->callback = 0;
res->callback_param1 = 0;
res->callback_param2 = 0;
res->last_value = 0;
res->trigger = 0;
res->reseed = 0;
}
void IndustryDrawTileLayout(const TileInfo *ti, const SpriteGroup *group, byte rnd_color, byte stage, IndustryGfx gfx)
{
const DrawTileSprites *dts = group->g.layout.dts;
const DrawTileSeqStruct *dtss;
SpriteID image = dts->ground_sprite;
SpriteID pal = dts->ground_pal;
if (GB(image, 0, SPRITE_WIDTH) != 0) DrawGroundSprite(image, pal);
foreach_draw_tile_seq(dtss, dts->seq) {
if (GB(dtss->image, 0, SPRITE_WIDTH) == 0) continue;
image = dtss->image + stage;
pal = dtss->pal;
if (!HASBIT(image, SPRITE_MODIFIER_OPAQUE) && HASBIT(_transparent_opt, TO_INDUSTRIES)) {
SETBIT(image, PALETTE_MODIFIER_TRANSPARENT);
pal = PALETTE_TO_TRANSPARENT;
} else if (HASBIT(image, PALETTE_MODIFIER_COLOR)) {
pal = GENERAL_SPRITE_COLOR(rnd_color);
} else {
pal = PAL_NONE;
}
if ((byte)dtss->delta_z != 0x80) {
AddSortableSpriteToDraw(
image, pal,
ti->x + dtss->delta_x, ti->y + dtss->delta_y,
dtss->size_x, dtss->size_y,
dtss->size_z, ti->z + dtss->delta_z
);
} else {
AddChildSpriteScreen(image, pal, dtss->delta_x, dtss->delta_y);
}
}
}
uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile)
{
ResolverObject object;
const SpriteGroup *group;
NewIndustryTileResolver(&object, gfx_id, tile, industry);
object.callback = callback;
object.callback_param1 = param1;
object.callback_param2 = param2;
group = Resolve(GetIndustryTileSpec(gfx_id)->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
return group->g.callback.result;
}
bool DrawNewIndustryTile(TileInfo *ti, Industry *i, IndustryGfx gfx, const IndustryTileSpec *inds)
{
const SpriteGroup *group;
ResolverObject object;
if (ti->tileh != SLOPE_FLAT) {
bool draw_old_one = true;
if (HASBIT(inds->callback_flags, CBM_INDT_DRAW_FOUNDATIONS)) {
/* Called to determine the type (if any) of foundation to draw for industry tile */
uint32 callback_res = GetIndustryTileCallback(CBID_INDUSTRY_DRAW_FOUNDATIONS, 0, 0, gfx, i, ti->tile);
draw_old_one = callback_res != 0;
}
if (draw_old_one) DrawFoundation(ti, ti->tileh);
}
NewIndustryTileResolver(&object, gfx, ti->tile, i);
group = Resolve(inds->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_TILELAYOUT) {
return false;
} else {
/* Limit the building stage to the number of stages supplied. */
byte stage = GetIndustryConstructionStage(ti->tile);
stage = clamp(stage - 4 + group->g.layout.num_sprites, 0, group->g.layout.num_sprites - 1);
IndustryDrawTileLayout(ti, group, i->random_color, stage, gfx);
return true;
}
}
bool PerformIndustryTileSlopeCheck(TileIndex tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx)
{
Industry ind;
ind.xy = 0;
ind.type = type;
uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, 0, gfx, &ind, tile);
if (its->grf_prop.grffile->grf_version < 7) {
return callback_res != 0;
}
if (callback_res != CALLBACK_FAILED) return true;
switch (callback_res) {
case 0x400: return true;
case 0x401: _error_message = STR_0239_SITE_UNSUITABLE; return false;
case 0x402: _error_message = STR_0317_CAN_ONLY_BE_BUILT_IN_RAINFOREST; return false;
case 0x403: _error_message = STR_0318_CAN_ONLY_BE_BUILT_IN_DESERT; return false;
default: _error_message = GetGRFStringID(its->grf_prop.grffile->grfid, 0xD000 + callback_res); return false;
}
}
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