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Location: cpp/openttd-patchpack/source/src/newgrf_industrytiles.cpp - annotation
r12324:6c583236eedf
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(svn r16754) -Update from WebTranslator v3.0:
arabic_egypt - 2 changes by kasakg
traditional_chinese - 64 changes by josesun
german - 4 changes by planetmaker
persian - 2 changes by Gajet9
arabic_egypt - 2 changes by kasakg
traditional_chinese - 64 changes by josesun
german - 4 changes by planetmaker
persian - 2 changes by Gajet9
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/** @file newgrf_industrytiles.cpp NewGRF handling of industry tiles. */
#include "stdafx.h"
#include "openttd.h"
#include "variables.h"
#include "debug.h"
#include "viewport_func.h"
#include "landscape.h"
#include "newgrf.h"
#include "core/random_func.hpp"
#include "newgrf_commons.h"
#include "newgrf_industries.h"
#include "newgrf_industrytiles.h"
#include "newgrf_sound.h"
#include "newgrf_text.h"
#include "industry_map.h"
#include "sprite.h"
#include "transparency.h"
#include "functions.h"
#include "town.h"
#include "command_func.h"
#include "animated_tile_func.h"
#include "water.h"
#include "table/strings.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
*/
uint32 GetNearbyIndustryTileInformation(byte parameter, TileIndex tile, IndustryID index)
{
if (parameter != 0) tile = GetNearbyTile(parameter, tile); // only perform if it is required
bool is_same_industry = (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == index);
return GetNearbyTileInformation(tile) | (is_same_industry ? 1 : 0) << 8;
}
/** 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;
/* Terrain type */
case 0x41: return GetTerrainType(tile);
/* Current town zone of the tile in the nearest town */
case 0x42: return GetTownRadiusGroup(ClosestTownFromTile(tile, UINT_MAX), 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);
/* Animation stage of nearby tiles */
case 0x61:
tile = GetNearbyTile(parameter, tile);
if (IsTileType(tile, MP_INDUSTRY) && GetIndustryByTile(tile) == inds) {
return GetIndustryAnimationState(tile);
}
return UINT_MAX;
/* Get industry tile ID at offset */
case 0x62: return GetIndustryIDAtOffset(GetNearbyTile(parameter, tile), inds);
}
DEBUG(grf, 1, "Unhandled industry tile property 0x%X", variable);
*available = false;
return UINT_MAX;
}
static const SpriteGroup *IndustryTileResolveReal(const ResolverObject *object, const RealSpriteGroup *group)
{
/* IndustryTile do not have 'real' groups. Or do they?? */
return NULL;
}
static uint32 IndustryTileGetRandomBits(const ResolverObject *object)
{
const TileIndex tile = object->u.industry.tile;
if (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) return 0;
return (object->scope == VSG_SCOPE_SELF) ? GetIndustryRandomBits(tile) : GetIndustryByTile(tile)->random;
}
static uint32 IndustryTileGetTriggers(const ResolverObject *object)
{
const TileIndex tile = object->u.industry.tile;
if (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) return 0;
return (object->scope == VSG_SCOPE_SELF) ? GetIndustryTriggers(tile) : GetIndustryByTile(tile)->random_triggers;
}
static void IndustryTileSetTriggers(const ResolverObject *object, int triggers)
{
const TileIndex tile = object->u.industry.tile;
if (tile == INVALID_TILE || !IsTileType(tile, MP_INDUSTRY)) return;
if (object->scope == VSG_SCOPE_SELF) {
SetIndustryTriggers(tile, triggers);
} else {
GetIndustryByTile(tile)->random_triggers = 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->psa = &indus->psa;
res->u.industry.tile = tile;
res->u.industry.ind = indus;
res->u.industry.gfx = gfx;
res->u.industry.type = indus->type;
res->callback = CBID_NO_CALLBACK;
res->callback_param1 = 0;
res->callback_param2 = 0;
res->last_value = 0;
res->trigger = 0;
res->reseed = 0;
res->count = 0;
const IndustryTileSpec *its = GetIndustryTileSpec(gfx);
res->grffile = (its != NULL ? its->grf_prop.grffile : NULL);
}
static void IndustryDrawTileLayout(const TileInfo *ti, const TileLayoutSpriteGroup *group, byte rnd_colour, byte stage, IndustryGfx gfx)
{
const DrawTileSprites *dts = group->dts;
const DrawTileSeqStruct *dtss;
SpriteID image = dts->ground.sprite;
SpriteID pal = dts->ground.pal;
if (IS_CUSTOM_SPRITE(image)) image += stage;
if (GB(image, 0, SPRITE_WIDTH) != 0) {
/* If the ground sprite is the default flat water sprite, draw also canal/river borders
* Do not do this if the tile's WaterClass is 'land'. */
if (image == SPR_FLAT_WATER_TILE && IsIndustryTileOnWater(ti->tile)) {
DrawWaterClassGround(ti);
} else {
DrawGroundSprite(image, GroundSpritePaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(rnd_colour)));
}
}
foreach_draw_tile_seq(dtss, dts->seq) {
if (GB(dtss->image.sprite, 0, SPRITE_WIDTH) == 0) continue;
image = dtss->image.sprite;
pal = dtss->image.pal;
/* Stop drawing sprite sequence once we meet a sprite that doesn't have to be opaque */
if (IsInvisibilitySet(TO_INDUSTRIES) && !HasBit(image, SPRITE_MODIFIER_OPAQUE)) return;
if (IS_CUSTOM_SPRITE(image)) image += stage;
pal = SpriteLayoutPaletteTransform(image, pal, GENERAL_SPRITE_COLOUR(rnd_colour));
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,
!HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_INDUSTRIES)
);
} else {
/* For industries and houses delta_x and delta_y are unsigned */
AddChildSpriteScreen(image, pal, (byte)dtss->delta_x, (byte)dtss->delta_y, !HasBit(image, SPRITE_MODIFIER_OPAQUE) && IsTransparencySet(TO_INDUSTRIES));
}
}
}
uint16 GetIndustryTileCallback(CallbackID 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 = SpriteGroup::Resolve(GetIndustryTileSpec(gfx_id)->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_CALLBACK) return CALLBACK_FAILED;
return group->GetCallbackResult();
}
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, FOUNDATION_LEVELED);
}
NewIndustryTileResolver(&object, gfx, ti->tile, i);
group = SpriteGroup::Resolve(inds->grf_prop.spritegroup, &object);
if (group == NULL || group->type != SGT_TILELAYOUT) {
return false;
} else {
const TileLayoutSpriteGroup *tlgroup = (const TileLayoutSpriteGroup *)group;
/* Limit the building stage to the number of stages supplied. */
byte stage = GetIndustryConstructionStage(ti->tile);
stage = Clamp(stage - 4 + tlgroup->num_sprites, 0, tlgroup->num_sprites - 1);
IndustryDrawTileLayout(ti, tlgroup, i->random_colour, stage, gfx);
return true;
}
}
extern bool IsSlopeRefused(Slope current, Slope refused);
bool PerformIndustryTileSlopeCheck(TileIndex ind_base_tile, TileIndex ind_tile, const IndustryTileSpec *its, IndustryType type, IndustryGfx gfx, uint itspec_index)
{
Industry ind;
ind.index = INVALID_INDUSTRY;
ind.xy = ind_base_tile;
ind.width = 0;
ind.type = type;
uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_SHAPE_CHECK, 0, itspec_index, gfx, &ind, ind_tile);
if (callback_res == CALLBACK_FAILED) {
return !IsSlopeRefused(GetTileSlope(ind_tile, NULL), its->slopes_refused);
}
if (its->grf_prop.grffile->grf_version < 7) {
return callback_res != 0;
}
if (callback_res == 0x400) return true;
/* Copy some parameters from the registers to the error message text ref. stack */
SwitchToErrorRefStack();
PrepareTextRefStackUsage(4);
SwitchToNormalRefStack();
switch (callback_res) {
case 0x401: _error_message = STR_ERROR_SITE_UNSUITABLE; return false;
case 0x402: _error_message = STR_ERROR_CAN_ONLY_BE_BUILT_IN_RAINFOREST; return false;
case 0x403: _error_message = STR_ERROR_CAN_ONLY_BE_BUILT_IN_DESERT; return false;
default: _error_message = GetGRFStringID(its->grf_prop.grffile->grfid, 0xD000 + callback_res); return false;
}
}
void AnimateNewIndustryTile(TileIndex tile)
{
Industry *ind = GetIndustryByTile(tile);
IndustryGfx gfx = GetIndustryGfx(tile);
const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
byte animation_speed = itspec->animation_speed;
if (HasBit(itspec->callback_flags, CBM_INDT_ANIM_SPEED)) {
uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIMATION_SPEED, 0, 0, gfx, ind, tile);
if (callback_res != CALLBACK_FAILED) animation_speed = Clamp(callback_res & 0xFF, 0, 16);
}
/* An animation speed of 2 means the animation frame changes 4 ticks, and
* increasing this value by one doubles the wait. 0 is the minimum value
* allowed for animation_speed, which corresponds to 30ms, and 16 is the
* maximum, corresponding to around 33 minutes. */
if ((_tick_counter % (1 << animation_speed)) != 0) return;
bool frame_set_by_callback = false;
byte frame = GetIndustryAnimationState(tile);
uint16 num_frames = GB(itspec->animation_info, 0, 8);
if (HasBit(itspec->callback_flags, CBM_INDT_ANIM_NEXT_FRAME)) {
uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIM_NEXT_FRAME, HasBit(itspec->animation_special_flags, 0) ? Random() : 0, 0, gfx, ind, tile);
if (callback_res != CALLBACK_FAILED) {
frame_set_by_callback = true;
switch (callback_res & 0xFF) {
case 0xFF:
DeleteAnimatedTile(tile);
break;
case 0xFE:
/* Carry on as normal. */
frame_set_by_callback = false;
break;
default:
frame = callback_res & 0xFF;
break;
}
/* If the lower 7 bits of the upper byte of the callback
* result are not empty, it is a sound effect. */
if (GB(callback_res, 8, 7) != 0) PlayTileSound(itspec->grf_prop.grffile, GB(callback_res, 8, 7), tile);
}
}
if (!frame_set_by_callback) {
if (frame < num_frames) {
frame++;
} else if (frame == num_frames && GB(itspec->animation_info, 8, 8) == 1) {
/* This animation loops, so start again from the beginning */
frame = 0;
} else {
/* This animation doesn't loop, so stay here */
DeleteAnimatedTile(tile);
}
}
SetIndustryAnimationState(tile, frame);
MarkTileDirtyByTile(tile);
}
static void ChangeIndustryTileAnimationFrame(const IndustryTileSpec *itspec, TileIndex tile, IndustryAnimationTrigger iat, uint32 random_bits, IndustryGfx gfx, Industry *ind)
{
uint16 callback_res = GetIndustryTileCallback(CBID_INDTILE_ANIM_START_STOP, random_bits, iat, gfx, ind, tile);
if (callback_res == CALLBACK_FAILED) return;
switch (callback_res & 0xFF) {
case 0xFD: /* Do nothing. */ break;
case 0xFE: AddAnimatedTile(tile); break;
case 0xFF: DeleteAnimatedTile(tile); break;
default:
SetIndustryAnimationState(tile, callback_res & 0xFF);
AddAnimatedTile(tile);
break;
}
/* If the lower 7 bits of the upper byte of the callback
* result are not empty, it is a sound effect. */
if (GB(callback_res, 8, 7) != 0) PlayTileSound(itspec->grf_prop.grffile, GB(callback_res, 8, 7), tile);
}
bool StartStopIndustryTileAnimation(TileIndex tile, IndustryAnimationTrigger iat, uint32 random)
{
IndustryGfx gfx = GetIndustryGfx(tile);
const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
if (!HasBit(itspec->animation_triggers, iat)) return false;
Industry *ind = GetIndustryByTile(tile);
ChangeIndustryTileAnimationFrame(itspec, tile, iat, random, gfx, ind);
return true;
}
bool StartStopIndustryTileAnimation(const Industry *ind, IndustryAnimationTrigger iat)
{
bool ret = true;
uint32 random = Random();
BEGIN_TILE_LOOP(tile, ind->width, ind->height, ind->xy)
if (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == ind->index) {
if (StartStopIndustryTileAnimation(tile, iat, random)) {
SB(random, 0, 16, Random());
} else {
ret = false;
}
}
END_TILE_LOOP(tile, ind->width, ind->height, ind->xy)
return ret;
}
static void DoTriggerIndustryTile(TileIndex tile, IndustryTileTrigger trigger, Industry *ind)
{
ResolverObject object;
IndustryGfx gfx = GetIndustryGfx(tile);
const IndustryTileSpec *itspec = GetIndustryTileSpec(gfx);
if (itspec->grf_prop.spritegroup == NULL) return;
NewIndustryTileResolver(&object, gfx, tile, ind);
object.callback = CBID_RANDOM_TRIGGER;
object.trigger = trigger;
const SpriteGroup *group = SpriteGroup::Resolve(itspec->grf_prop.spritegroup, &object);
if (group == NULL) return;
byte new_random_bits = Random();
byte random_bits = GetIndustryRandomBits(tile);
random_bits &= ~object.reseed;
random_bits |= new_random_bits & object.reseed;
SetIndustryRandomBits(tile, random_bits);
}
void TriggerIndustryTile(TileIndex tile, IndustryTileTrigger trigger)
{
DoTriggerIndustryTile(tile, trigger, GetIndustryByTile(tile));
}
void TriggerIndustry(Industry *ind, IndustryTileTrigger trigger)
{
BEGIN_TILE_LOOP(tile, ind->width, ind->height, ind->xy)
if (IsTileType(tile, MP_INDUSTRY) && GetIndustryIndex(tile) == ind->index) {
DoTriggerIndustryTile(tile, trigger, ind);
}
END_TILE_LOOP(tile, ind->width, ind->height, ind->xy)
}
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