cpp/openttd-patchpack/source Files · src/newgrf_canal.cpp

Files @ r7596:afd285ff90bb

Branch filter:

Location: cpp/openttd-patchpack/source/src/newgrf_canal.cpp

r7596:afd285ff90bb 2.0 KiB text/x-c Show Annotation Show as Raw Download as Raw

miham

(svn r11123) -Update: WebTranslator2 update to 2007-09-17 12:45:29
afrikaans - 47 fixed, 52 changed by TrueTenacity (99)
brazilian_portuguese - 23 changed by fukumori (23)
bulgarian - 14 fixed by thetitan (14)
catalan - 3 changed by arnaullv (3)
croatian - 6 fixed, 12 changed by knovak (15), tperic (3)
danish - 20 fixed by ThomasA (20)
finnish - 20 fixed by habazi (20)
german - 10 fixed by Timwi (10)
hungarian - 1 fixed by miham (1)
italian - 1 fixed by lorenzodv (1)
japanese - 6 fixed by ickoonite (6)
norwegian_nynorsk - 6 fixed by pollux (6)
piglatin - 20 fixed by adammw (20)
russian - 20 fixed by Smoky555 (20)
slovak - 1 fixed by lengyel (1)
slovenian - 7 fixed by Necrolyte (7)
spanish - 1 changed by Cabu (1)
traditional_chinese - 21 fixed by xbddc (21)

/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "variables.h"
#include "landscape.h"
#include "debug.h"
#include "newgrf.h"
#include "newgrf_callbacks.h"
#include "newgrf_commons.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 GetTileZ(tile) / TILE_HEIGHT;

		case 0x81:
			return GetTerrainType(tile);
	}

	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        = CBID_NO_CALLBACK;
	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;
}