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screen.cpp
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screen.cpp
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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004-2006 The ScummVM project
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "common/array.h"
#include "common/debug.h"
#include "common/system.h"
#include "common/file.h"
#include "common/endian.h"
#include "common/list.h"
#include "common/random.h"
#include "common/rect.h"
#include "common/str.h"
#include "common/util.h"
#include "common/textconsole.h"
#include "engines/util.h"
#include "graphics/cursorman.h"
#include "graphics/surface.h"
#include "graphics/palette.h"
#include "kom/screen.h"
#include "kom/kom.h"
#include "kom/panel.h"
#include "kom/actor.h"
#include "kom/game.h"
#include "kom/character.h"
#include "kom/database.h"
#include "kom/font.h"
#include "kom/input.h"
#include "kom/sound.h"
#include "kom/video_player.h"
using Common::File;
using Common::List;
using Common::Rect;
using Common::String;
namespace Kom {
ColorSet::ColorSet(const char *filename) {
File f;
if (!f.open(filename))
return;
size = f.size() / 3;
data = new byte[size * 3];
f.read(data, size * 3);
f.close();
}
ColorSet::~ColorSet() {
delete[] data;
}
Screen::Screen(KomEngine *vm, OSystem *system)
: _system(system), _vm(vm), _sepiaScreen(0),
_fullRedraw(false), _paletteChanged(false), _newBrightness(256),
_narratorScrollText(0), _narratorWord(0), _narratorTextSurface(0),
_narratorScrollStatus(0) {
_lastFrameTime = 0;
_screenBuf = new uint8[SCREEN_W * SCREEN_H];
memset(_screenBuf, 0, SCREEN_W * SCREEN_H);
_mouseBuf = new uint8[MOUSE_W * MOUSE_H];
memset(_mouseBuf, 0, MOUSE_W * MOUSE_H);
_c0ColorSet = new ColorSet("kom/oneoffs/c0_127.cl");
_orangeColorSet = new ColorSet("kom/oneoffs/sepia_or.cl");
_greenColorSet = new ColorSet("kom/oneoffs/sepia_gr.cl");
_roomMask = 0;
_roomBackground = 0;
_font = new Font("kom/oneoffs/packfont.fnt");
_dirtyRects = new List<Rect>();
_prevDirtyRects = new List<Rect>();
}
Screen::~Screen() {
delete[] _screenBuf;
delete[] _mouseBuf;
delete _c0ColorSet;
delete _orangeColorSet;
delete _greenColorSet;
delete[] _sepiaScreen;
delete _font;
delete _dirtyRects;
delete _prevDirtyRects;
}
bool Screen::init() {
Graphics::PixelFormat pixelFormat = Graphics::PixelFormat::createFormatCLUT8();
initGraphics(SCREEN_W, SCREEN_H, &pixelFormat);
useColorSet(_c0ColorSet, 0);
return true;
}
void Screen::processGraphics(int mode, bool samplePlaying) {
Settings *settings = _vm->game()->settings();
Player *player = _vm->game()->player();
Character *playerChar = _vm->database()->getChar(0);
// handle screen objects
Common::Array<RoomObject> *roomObjects = _vm->game()->getObjects();
for (uint i = 0; i < roomObjects->size(); i++) {
// Remove disappeared objects
if ((*roomObjects)[i].disappearTimer > 0) {
if (--(*roomObjects)[i].disappearTimer == 0)
(*roomObjects)[i].objectId = -1;
}
// Set object visibility
if (mode >= 0 && (*roomObjects)[i].actorId >= 0) {
Actor *act =
_vm->actorMan()->get((*roomObjects)[i].actorId);
if ((*roomObjects)[i].objectId >= 0) {
Object *obj =
_vm->database()->getObj((*roomObjects)[i].objectId);
act->enable(obj->isVisible ? 1 : 0);
} else
act->enable(0);
}
}
// handle dust clouds - NPCs
for (int i = 0; i < 4; i++) {
Actor *act = _vm->actorMan()->getNPCCloudActor(i);
act->enable(0);
if (settings->fightNPCCloud[i].charId == -1)
continue;
if (settings->fightNPCCloud[i].timer == 0)
continue;
// Fight started
if (settings->fightNPCCloud[i].timer == 35) {
_vm->sound()->playSampleSFX(_vm->_weaponSample, false);
}
Character *fighter = _vm->database()->getChar(settings->fightNPCCloud[i].charId);
// Figure out fight distance from player
int distance = 0;
if (playerChar->_lastLocation != fighter->_lastLocation) {
int fightLoc = fighter->_lastLocation;
int newLoc = playerChar->_lastLocation;
for (distance = 1; distance < 5; distance++) {
newLoc = _vm->database()->loc2loc(newLoc, fightLoc);
if (newLoc == -1)
break;
}
}
_vm->sound()->setSampleVolume(_vm->_weaponSample, _vm->_distanceVolumeTable[distance]);
// Draw cloud
if (playerChar->_lastLocation == fighter->_lastLocation) {
int scale = fighter->_start5 * 88 / 60;
act->enable(1);
act->setPos(fighter->_screenX / 2, fighter->_start4 / 256 / 2);
act->setRatio(fighter->_ratioX / scale, fighter->_ratioY / scale);
act->setMaskDepth(fighter->_priority, fighter->_start5);
}
settings->fightNPCCloud[i].timer--;
// End fight
if (settings->fightNPCCloud[i].timer == 0) {
act->enable(0);
fighter->_isBusy = false;
_vm->database()->getChar(fighter->_fightPartner)->_isBusy = false;
_vm->database()->getChar(fighter->_fightPartner)->_fightPartner = -1;
fighter->_fightPartner = -1;
settings->fightNPCCloud[i].charId = -1;
}
}
// unload actors in other rooms
for (int i = 1; i < _vm->database()->charactersNum(); ++i) {
Character *chr = _vm->database()->getChar(i);
if (playerChar->_lastLocation != chr->_lastLocation ||
!_vm->database()->getChar(i)->_isVisible) {
if (chr->_loadedScopeXtend != -1) {
chr->_spriteTimer = chr->_spriteCutState = 0;
chr->_isBusy = false;
if (chr->_actorId >= 0) {
_vm->actorMan()->unload(chr->_actorId);
chr->_actorId = chr->_loadedScopeXtend = chr->_scopeInUse = -1;
}
}
}
}
// load actors in this room
for (int i = 0; i < _vm->database()->charactersNum(); ++i) {
Character *chr = _vm->database()->getChar(i);
chr->_start5PrevPrev = chr->_start5Prev;
chr->_start5Prev = chr->_start5;
chr->_start4PrevPrev = chr->_start4Prev;
chr->_start4Prev = chr->_start4;
chr->_start3PrevPrev = chr->_start3Prev;
chr->_start3Prev = chr->_start3;
int scale = (chr->_start5 * 88) / 60;
if (mode > 0) {
if (playerChar->_lastLocation == chr->_lastLocation &&
chr->_fightPartner == -1 && chr->_isVisible) {
int maskDepth;
chr->setScope(chr->_scopeWanted);
Actor *act = _vm->actorMan()->get(chr->_actorId);
if (scale == 256 && chr->_walkSpeed == 0) {
act->setPos(chr->_screenX / 2,
(chr->_start4 + (chr->_screenH + chr->_offset78)
/ scale) / 256 / 2);
maskDepth = 32767;
} else if (i == 0 && chr->_spriteTimer != 0 &&
player->spriteCutMoving) {
act->setPos(player->spriteCutX,
player->spriteCutY);
maskDepth = chr->_start5;
} else {
act->setPos(chr->_screenX / 2,
(chr->_start4 + (chr->_screenH + chr->_offset78)
/ scale) / 256 / 2);
maskDepth = chr->_start5;
}
act->setMaskDepth(
_vm->database()->getPriority(chr->_lastLocation, chr->_lastBox),
maskDepth);
act->setRatio(chr->_ratioX / scale, chr->_ratioY / scale);
_vm->actorMan()->get(chr->_actorId)->enable(1);
} else if (chr->_actorId != -1) {
_vm->actorMan()->get(chr->_actorId)->enable(0);
}
}
}
Character *enemyChar = _vm->database()->getChar(player->enemyId);
// handle dust clouds
if (settings->fightTimer != 0) {
Actor *playerActor = _vm->actorMan()->get(playerChar->_actorId);
Actor *enemyActor = _vm->actorMan()->get(enemyChar->_actorId);
playerActor->enable(0);
enemyActor->enable(0);
playerChar->stopChar();
enemyChar->stopChar();
enemyChar->_spriteCutState = 0;
enemyChar->_spriteTimer = 0;
}
switch (settings->fightState) {
// No fight. Check player health
case 0:
if (player->hitPointsOld == player->hitPoints &&
(!playerChar->_isAlive || player->hitPoints == 0)) {
_vm->endGame();
}
_vm->actorMan()->getCloudWordActor()->enable(0);
_vm->actorMan()->getCloudActor()->enable(0);
break;
// Fight ended
case 1:
settings->fightState = 0;
_vm->actorMan()->getCloudWordActor()->enable(0);
_vm->actorMan()->getCloudActor()->enable(0);
_vm->actorMan()->get(playerChar->_actorId)->enable(1);
_vm->actorMan()->get(enemyChar->_actorId)->enable(1);
_vm->sound()->stopSample(_vm->_weaponSample);
// Play death sound
if (!_vm->database()->getChar(player->collideNum)->_isAlive) {
_vm->sound()->playSampleSFX(_vm->_ripSample, false);
}
// Return item to cursor
switch (settings->objectType) {
case OBJECT_SPELL:
player->command = CMD_CAST_SPELL;
break;
case OBJECT_WEAPON:
player->command = CMD_FIGHT;
break;
case OBJECT_ITEM:
player->command = CMD_USE;
break;
default:
// Do nothing
break;
}
player->commandState = 0;
player->collideType = COLLIDE_NONE;
player->collideNum = -1;
playerChar->_isBusy = false;
_vm->database()->getChar(player->enemyId)->_isBusy = false;
break;
// Fight started
case 2:
if (!_vm->database()->getChar(player->collideNum)->_isAlive) {
settings->fightState = 0;
break;
}
_vm->game()->declareNewEnemy(player->collideNum);
player->hitPointsOld = playerChar->_hitPoints;
// Don't start a fight when the narrator is talking
if (!samplePlaying) {
playerChar->_isBusy = false;
if (player->fightEnemy >= 0) {
player->fightEnemy = -1;
_vm->game()->doCommand(6, 2, player->collideNum, 1, player->fightWeapon);
} else if (settings->objectNum >= 0) {
_vm->game()->doCommand(6, 2, player->collideNum, 1, settings->objectNum);
}
}
if (!_vm->game()->cb()->cloudActive || !settings->fightEnabled) {
settings->objectType = OBJECT_NONE;
settings->objectNum = -1;
settings->fightState = 0;
player->commandState = 0;
player->collideType = COLLIDE_NONE;
player->collideNum = -1;
break;
}
playerChar->_isBusy = true;
_vm->database()->getChar(player->enemyId)->_isBusy = true;
settings->fightState = 3;
settings->fightTimer = 40;
settings->fightWordTimer = 0;
player->commandState = 2;
_vm->actorMan()->getCloudWordActor()->enable(1);
_vm->actorMan()->getCloudActor()->enable(1);
// TODO: consult weapons table. use default effect for now
/*
if (settings->objectNum >= 0 && weaponsArray[player->weaponSoundEffect] != settings->objectNum) {
for (int i = 0; i < 10; i++) {
if (weaponsArray[i] == settings->objectNum) {
player->weaponSoundEffect = i;
_vm->panel()->showLoading(true);
_vm->loadWeaponSample(i);
_vm->panel()->showLoading(false);
break;
}
}
}
*/
_vm->sound()->playSampleSFX(_vm->_weaponSample, false); // FIXME: actually mode "2"
player->fightBarTimer = 110;
player->enemyFightBarTimer = 110;
// Set up cloud actors
{
int scale = playerChar->_start5 * 88 / 60;
_vm->actorMan()->getCloudActor()->setPos(playerChar->_screenX / 2, playerChar->_start4 / 256 / 2);
_vm->actorMan()->getCloudActor()->setRatio(256 * 1024 / scale, 256 * 1024 / scale);
_vm->actorMan()->getCloudActor()->setMaskDepth(playerChar->_priority, playerChar->_start5 - 10);
_vm->actorMan()->getCloudWordActor()->setRatio(256 * 1024 / scale, 256 * 1024 / scale);
_vm->actorMan()->getCloudWordActor()->setMaskDepth(playerChar->_priority, playerChar->_start5 - 11);
}
// FALL-THROUGH
// Fight in progress
case 3: {
int scale = playerChar->_start5 * 88 / 60;
settings->fightTimer--;
if (settings->fightTimer == 0) {
settings->fightState = 1;
settings->fightWordTimer = 0;
}
// Set up cloud word
if (settings->fightWordTimer == 0) {
settings->fightWordTimer = 3;
// "Hard" hits stay longer on the screen
if (player->hitPointsOld - player->hitPoints < 10)
settings->fightWordTimer++;
if (player->hitPointsOld - player->hitPoints < 5)
settings->fightWordTimer++;
settings->fightWordX = playerChar->_screenX * scale + (_vm->rnd()->getRandomNumber(200) - 100) * 256;
settings->fightWordY = playerChar->_screenY * scale - _vm->rnd()->getRandomNumberRng(50, 150) * 256;
settings->fightWordStepX = _vm->rnd()->getRandomNumberRng(256 * 8, 1750 * 8) * 2;
settings->fightWordStepY = 256 * 8 - _vm->rnd()->getRandomNumberRng(256 * 4, 256 * 64);
if (playerChar->_screenX * scale > settings->fightWordX) {
settings->fightWordStepX *= -1;
}
if (++settings->fightWordScope >= 4)
settings->fightWordScope = 0;
_vm->actorMan()->getCloudWordActor()->setScope(settings->fightWordScope, 2);
}
if (settings->fightWordTimer != 0) {
settings->fightWordTimer--;
_vm->actorMan()->getCloudWordActor()->setPos(settings->fightWordX / scale / 2, settings->fightWordY / scale / 2);
settings->fightWordX += settings->fightWordStepX;
settings->fightWordY += settings->fightWordStepY;
settings->fightWordStepX /= 16;
settings->fightWordStepY /= 16;
}
if (settings->fightEffectPause != 0) {
--settings->fightEffectPause;
// Init effect actor
if (settings->fightEffectPause == 0) {
settings->fightEffectTimer = 120;
if (++settings->fightEffectScope >= 2)
settings->fightEffectScope = 0;
_vm->actorMan()->getCloudEffectActor()->setScope(settings->fightEffectScope, 2);
settings->fightEffectChar._screenX = playerChar->_screenX;
settings->fightEffectChar._screenY = playerChar->_screenY;
settings->fightEffectChar._start3 = playerChar->_start3;
settings->fightEffectChar._start4 = playerChar->_start4;
settings->fightEffectChar._start5 = playerChar->_start5;
settings->fightEffectChar._lastLocation = playerChar->_lastLocation;
settings->fightEffectChar._lastBox = playerChar->_lastBox;
settings->fightEffectChar._height = 0;
settings->fightEffectChar._screenH = -0x280000;
settings->fightEffectChar._screenHDelta = -0xF0000;
settings->fightEffectChar._walkSpeed = 1536;
settings->fightEffectChar._relativeSpeed = 1024;
settings->fightEffectChar._gotoLoc = playerChar->_lastLocation;
uint16 xPos;
if (_vm->rnd()->getRandomNumber(100) > 50)
xPos = 639;
else
xPos = 0;
uint16 yPos = _vm->rnd()->getRandomNumber(40) + settings->fightEffectChar._screenY - 20;
int16 dummy;
_vm->database()->getClosestBox(playerChar->_lastLocation, xPos, yPos,
settings->fightEffectChar._screenX, settings->fightEffectChar._screenY,
&dummy, &settings->fightEffectChar._gotoX, &settings->fightEffectChar._gotoY);
}
}
break;
}
default:
break;
}
// Fight effects stay around after the cloud is gone
if (settings->fightEffectTimer != 0) {
settings->fightEffectTimer--;
settings->fightEffectChar.moveCharOther();
int scale = settings->fightEffectChar._start5 * 88 / 60;
if (playerChar->_lastLocation == settings->fightEffectChar._lastLocation &&
settings->fightEffectTimer != 0) {
_vm->actorMan()->getCloudEffectActor()->enable(1);
} else {
settings->fightEffectTimer = 0;
_vm->actorMan()->getCloudEffectActor()->enable(0);
}
_vm->actorMan()->getCloudEffectActor()->setPos(settings->fightEffectChar._screenX / 2,
(settings->fightEffectChar._screenH / scale + settings->fightEffectChar._start4) / 256 / 2);
_vm->actorMan()->getCloudEffectActor()->setRatio(256 * 1024 / scale, 256 * 1024 / scale);
_vm->actorMan()->getCloudEffectActor()->setMaskDepth(settings->fightEffectChar._priority, settings->fightEffectChar._start5 - 11);
// FIXME: Bug in original? This is never true (thus fails to reset the effect)
if (settings->fightEffectChar._screenH == 0 && !settings->fightEffectChar._stopped) {
settings->fightEffectTimer = 0;
settings->fightEffectPause = 60;
_vm->actorMan()->getCloudEffectActor()->enable(0);
}
}
if (mode > 0) {
// Handle magic characters
for (int i = 0; i < 10; i++) {
Character *magicChar = _vm->database()->getMagicChar(i);
if (magicChar->_id == -1)
break;
// Disable actors in other rooms
if (magicChar->_lastLocation != playerChar->_lastLocation) {
_vm->actorMan()->get(magicChar->_actorId)->enable(0);
_vm->actorMan()->getMagicDarkLord(i)->enable(0);
continue;
}
int scale;
if (_vm->database()->getBox(magicChar->_lastLocation, magicChar->_lastBox)->attrib == 8) {
scale = magicChar->_start5Prev * 88 / 60;
} else {
magicChar->_start5PrevPrev = magicChar->_start5Prev;
magicChar->_start5Prev = magicChar->_start5;
scale = magicChar->_start5Prev * 88 / 60;
}
int scale2;
if (magicChar->_id == 9999)
scale2 = 2048;
else
scale2 = 1024;
Spell *spell = _vm->game()->getSpell(i);
// Resize when spell dies out
if (spell->duration <= 8) {
// TODO: modify scale2
//scale2 = arrayLookup[spell->duration] * scale2;
}
Actor *act;
if (magicChar->_id == 9999)
act = _vm->actorMan()->getMagicDarkLord(i);
else
act = _vm->actorMan()->get(magicChar->_actorId);
act->enable(1);
act->setPos(magicChar->_screenX / 2, (magicChar->_start4 + magicChar->_screenH / scale) / 256 / 2);
act->setRatio(scale2 * 256 / scale, scale2 * 256 / scale);
act->setMaskDepth(magicChar->_priority, magicChar->_start5);
}
}
if (mode > 0) {
pauseBackground(false);
updateBackground();
drawBackground();
displayDoors();
_vm->actorMan()->displayAll();
} else {
pauseBackground(true);
}
// TODO - handle snow
drawFightBars();
// Handle mouse
if (player->hitPoints > 0 &&
!player->narratorTalking &&
playerChar->_spriteCutState == 0 &&
(player->commandState == 0 ||
player->command == CMD_WALK ||
player->command == CMD_NOTHING) &&
player->spriteCutNum == 0) {
if (settings->mouseMode > 0)
settings->mouseMode--;
} else
settings->mouseMode = 3;
// TODO - Check menu request
if (settings->mouseMode == 0) {
updateCursor();
showMouseCursor(true);
} else {
showMouseCursor(false);
}
updateActionStrings();
_vm->panel()->showLoading(false);
_vm->panel()->allowLoading();
if (mode > 0 && _vm->panel()->isDirty())
_vm->panel()->update();
// TODO: check game loop state?
if (mode == 1)
gfxUpdate();
}
void Screen::copyRectListToScreen(const Common::List<Common::Rect> *list) {
for (Common::List<Rect>::const_iterator rect = list->begin(); rect != list->end(); ++rect) {
debug(9, "copyRectToScreen(%hu, %hu, %hu, %hu)", rect->left, rect->top,
rect->width(), rect->height());
_system->copyRectToScreen(_screenBuf + SCREEN_W * rect->top + rect->left,
SCREEN_W, rect->left, rect->top, rect->width(), rect->height());
}
}
void Screen::drawDirtyRects() {
// Copy everything
if (_fullRedraw) {
_system->copyRectToScreen(_screenBuf, SCREEN_W, 0, 0, SCREEN_W, SCREEN_H);
} else {
// No need to save a prev, since the background reports
// all changes
if (_roomBackgroundFlic.isVideoLoaded()) {
copyRectListToScreen(_roomBackgroundFlic.getDirtyRects());
_roomBackgroundFlic.clearDirtyRects();
}
// Copy dirty rects to screen
copyRectListToScreen(_prevDirtyRects);
copyRectListToScreen(_dirtyRects);
delete _prevDirtyRects;
_prevDirtyRects = _dirtyRects;
_dirtyRects = new List<Rect>();
}
_fullRedraw = false;
}
void Screen::gfxUpdate() {
narratorScrollUpdate();
// TODO: set palette brightness
drawDirtyRects();
// FIXME: this shouldn't be called. doesn't allow long key presses
_vm->input()->resetInput();
if (_paletteChanged) {
_paletteChanged = false;
}
while (_system->getMillis() < _lastFrameTime + 41 /* 24 fps */) {
_vm->input()->checkKeys();
_system->delayMillis(10);
}
if (CursorMan.isVisible())
_vm->actorMan()->getMouse()->display();
_system->updateScreen();
_lastFrameTime = _system->getMillis();
}
void Screen::clearScreen(bool now) {
_dirtyRects->clear();
_prevDirtyRects->clear();
memset(_screenBuf, 0, SCREEN_W * SCREEN_H);
_fullRedraw = true;
if (now) {
_system->copyRectToScreen(_screenBuf, SCREEN_W, 0, 0, SCREEN_W, SCREEN_H);
_system->updateScreen();
}
}
void Screen::clearRoom() {
memset(_screenBuf, 0, SCREEN_W * (SCREEN_H - PANEL_H));
_dirtyRects->push_back(Rect(0, 0, SCREEN_W, SCREEN_H - PANEL_H));
}
static byte lineBuffer[SCREEN_W];
void Screen::drawActorFrameScaled(const int8 *data, uint16 width, uint16 height, int16 xStart, int16 yStart,
int16 xEnd, int16 yEnd, int maskDepth, bool invisible) {
uint16 startLine = 0;
uint16 startCol = 0;
int32 colSkip = 0;
int32 rowSkip = 0;
div_t d;
if (xStart > xEnd)
SWAP(xStart, xEnd);
if (yStart > yEnd)
SWAP(yStart, yEnd);
int16 visibleWidth = xEnd - xStart;
int16 scaledWidth = visibleWidth;
int16 visibleHeight = yEnd - yStart;
int16 scaledHeight = visibleHeight;
//debug("drawActorFrame(%hu, %hu, %hd, %hd, %hu, %hu)", width, height, xStart, yStart, xEnd, yEnd);
if (visibleWidth == 0 || visibleHeight == 0) return;
div_t widthRatio = div(width, scaledWidth);
div_t heightRatio = div(height, scaledHeight);
if (xStart < 0) {
// frame is entirely off-screen
if ((visibleWidth += xStart) <= 0)
return;
d = div(-xStart * width, scaledWidth);
startCol = d.quot;
colSkip = d.rem;
//debug("startCol: %hu, colSkip: %d", startCol, colSkip);
xStart = 0;
}
// frame is entirely off-screen
if (xStart >= SCREEN_W) return;
// check if frame spills over the edge
if (visibleWidth + xStart >= SCREEN_W)
if ((visibleWidth -= visibleWidth + xStart - SCREEN_W) <= 0)
return;
if (yStart < 0) {
// frame is entirely off-screen
if ((visibleHeight += yStart) <= 0)
return;
d = div(-yStart * height, scaledHeight);
startLine = d.quot;
rowSkip = d.rem;
//debug("startLine: %hu, rowSkip: %d", startLine, rowSkip);
yStart = 0;
}
// frame is entirely off-screen
if (yStart >= SCREEN_H) return;
// check if frame spills over the edge
if (visibleHeight + yStart >= SCREEN_H)
if ((visibleHeight -= visibleHeight + yStart - SCREEN_H) <= 0)
return;
uint8 sourceLine = startLine;
uint8 targetLine = yStart;
int16 rowThing = scaledHeight - rowSkip;
for (int i = 0; i < visibleHeight; i += 1) {
uint16 lineOffset = READ_LE_UINT16(data + sourceLine * 2);
uint16 targetPixel = targetLine * SCREEN_W + xStart;
drawActorFrameLine(lineBuffer, data + lineOffset, width);
// Copy line to screen
uint8 sourcePixel = startCol;
int16 colThing = scaledWidth - colSkip;
for (int j = 0; j < visibleWidth; ++j) {
if (lineBuffer[sourcePixel] != 0
&& (targetLine >= ROOM_H || ((const byte *)_roomMask->getPixels())[targetPixel] >= maskDepth)) {
if (invisible)
_screenBuf[targetPixel] = _screenBuf[targetPixel + 8];
else
_screenBuf[targetPixel] = lineBuffer[sourcePixel];
}
sourcePixel += widthRatio.quot;
colThing -= widthRatio.rem;
if (colThing < 0) {
sourcePixel++;
colThing += scaledWidth;
}
targetPixel++;
}
sourceLine += heightRatio.quot;
rowThing -= heightRatio.rem;
if (rowThing < 0) {
sourceLine++;
rowThing += scaledHeight;
}
targetLine++;
}
_dirtyRects->push_back(Rect(xStart, yStart, xStart + visibleWidth, yStart + visibleHeight));
}
void Screen::drawActorFrameScaledAura(const int8 *data, uint16 width, uint16 height, int16 xStart, int16 yStart,
int16 xEnd, int16 yEnd, int maskDepth) {
uint16 startLine = 0;
uint16 startCol = 0;
int32 colSkip = 0;
int32 rowSkip = 0;
div_t d;
memset(lineBuffer, 0, sizeof(lineBuffer));
if (xStart > xEnd)
SWAP(xStart, xEnd);
if (yStart > yEnd)
SWAP(yStart, yEnd);
int16 visibleWidth = xEnd - xStart;
int16 scaledWidth = visibleWidth;
int16 visibleHeight = yEnd - yStart;
int16 scaledHeight = visibleHeight;
if (visibleWidth == 0 || visibleHeight == 0) return;
div_t widthRatio = div(width, scaledWidth);
div_t heightRatio = div(height, scaledHeight);
if (xStart < 0) {
// frame is entirely off-screen
if ((visibleWidth += xStart) <= 0)
return;
d = div(-xStart * width, scaledWidth);
startCol = d.quot;
colSkip = d.rem;
xStart = 0;
}
// frame is entirely off-screen
if (xStart >= SCREEN_W) return;
// check if frame spills over the edge
if (visibleWidth + xStart >= SCREEN_W)
if ((visibleWidth -= visibleWidth + xStart - SCREEN_W) <= 0)
return;
if (yStart < 0) {
// frame is entirely off-screen
if ((visibleHeight += yStart) <= 0)
return;
d = div(-yStart * height, scaledHeight);
startLine = d.quot;
rowSkip = d.rem;
//debug("startLine: %hu, rowSkip: %d", startLine, rowSkip);
yStart = 0;
}
// frame is entirely off-screen
if (yStart >= SCREEN_H) return;
// check if frame spills over the edge
if (visibleHeight + yStart >= SCREEN_H)
if ((visibleHeight -= visibleHeight + yStart - SCREEN_H) <= 0)
return;
uint8 sourceLine = startLine;
uint8 targetLine = yStart;
int16 rowThing = scaledHeight - rowSkip;
for (int i = 0; i < visibleHeight; i += 1) {
uint16 lineOffset = READ_LE_UINT16(data + sourceLine * 2);
bool startOfLine = (xStart == 0);
uint16 targetPixel = targetLine * SCREEN_W + xStart;
drawActorFrameLine(lineBuffer, data + lineOffset, width);
// Copy line to screen
int skipped = 0;
uint8 sourcePixel = startCol;
int16 colThing = scaledWidth - colSkip;
for (int j = 0; j < visibleWidth; ++j) {
if (lineBuffer[sourcePixel] != 0
&& (targetLine >= ROOM_H || ((const byte *)_roomMask->getPixels())[targetPixel] >= maskDepth)) {
_screenBuf[targetPixel] = lineBuffer[sourcePixel];
// Draw border to the left and right
if (!startOfLine) {
if (lineBuffer[sourcePixel - widthRatio.quot - skipped] == 0)
_screenBuf[targetPixel-1] = 14;
}
if (xStart + visibleWidth < SCREEN_W) {
if (lineBuffer[sourcePixel + widthRatio.quot + ((colThing <= widthRatio.rem) ? 1 : 0)] == 0)
_screenBuf[targetPixel+1] = 14;
}
}
skipped = 0;
sourcePixel += widthRatio.quot;
colThing -= widthRatio.rem;
if (colThing < 0) {
sourcePixel++;
colThing += scaledWidth;
skipped = 1;
}
targetPixel++;
startOfLine = false;
}
sourceLine += heightRatio.quot;
rowThing -= heightRatio.rem;
if (rowThing < 0) {
sourceLine++;
rowThing += scaledHeight;
}
targetLine++;
}
_dirtyRects->push_back(Rect(MAX(0, xStart - 1), yStart, MIN((int)SCREEN_W, xStart + visibleWidth + 1), yStart + visibleHeight));
}
void Screen::drawActorFrame(const int8 *data, uint16 width, uint16 height, int16 xStart, int16 yStart) {
uint16 startLine = 0;
uint16 startCol = 0;
int16 visibleWidth = width;
int16 visibleHeight = height;
if (visibleWidth == 0 || visibleHeight == 0) return;
if (xStart < 0) {
// frame is entirely off-screen
if ((visibleWidth += xStart) <= 0)
return;
startCol = -xStart;
xStart = 0;
}
// frame is entirely off-screen
if (xStart >= SCREEN_W) return;
// check if frame spills over the edge
if (visibleWidth + xStart >= SCREEN_W)
if ((visibleWidth -= visibleWidth + xStart - SCREEN_W) <= 0)
return;
if (yStart < 0) {
// frame is entirely off-screen
if ((visibleHeight += yStart) <= 0)
return;
startLine = -yStart;
yStart = 0;
}
// frame is entirely off-screen
if (yStart >= SCREEN_H) return;
// check if frame spills over the edge
if (visibleHeight + yStart >= SCREEN_H)
if ((visibleHeight -= visibleHeight + yStart - SCREEN_H) <= 0)
return;