static void DrawEditorTiles(DrawBuffer *b, Vec2i offset)
{
Vec2i pos;
Tile *tile = &b->tiles[0][0];
pos.y = b->dy + offset.y;
for (int y = 0; y < Y_TILES; y++, pos.y += TILE_HEIGHT)
{
pos.x = b->dx + offset.x;
for (int x = 0; x < b->Size.x; x++, tile++, pos.x += TILE_WIDTH)
{
if (gMission.missionData->Type == MAPTYPE_STATIC)
{
Vec2i start = gMission.missionData->u.Static.Start;
if (!Vec2iEqual(start, Vec2iZero()) &&
Vec2iEqual(start, Vec2iNew(x + b->xStart, y + b->yStart)))
{
// mission start
BlitMasked(
&gGraphicsDevice,
PicManagerGetPic(&gPicManager, "editor/start"),
pos, colorWhite, 1);
}
}
}
tile += X_TILES - b->Size.x;
}
}
int AIGoto(TActor *actor, Vec2i p, bool ignoreObjects)
{
Vec2i a = Vec2iFull2Real(actor->Pos);
Vec2i currentTile = Vec2iToTile(a);
Vec2i goalTile = Vec2iToTile(p);
AIGotoContext *c = &actor->aiContext->Goto;
// If we are already there, bail
// This can happen if AI is trying to track the player,
// but the player has died, for example.
if (Vec2iEqual(currentTile, goalTile))
{
return 0;
}
// If we are currently following an A* path,
// and it is still valid, keep following it until
// we have reached a new tile
if (c && c->IsFollowing && AStarCloseToPath(c, currentTile, goalTile))
{
return AStarFollow(c, currentTile, &actor->tileItem, a);
}
else if (AIHasClearPath(a, p, ignoreObjects))
{
// Simple case: if there's a clear line between AI and target,
// walk straight towards it
return AIGotoDirect(a, p);
}
else
{
// We need to recalculate A*
AStarContext ac;
ac.Map = &gMap;
ac.IsTileOk =
ignoreObjects ? IsTileWalkable : IsTileWalkableAroundObjects;
// First, if the goal tile is blocked itself,
// find a nearby tile that can be walked to
c->Goal = MapSearchTileAround(ac.Map, goalTile, ac.IsTileOk);
c->PathIndex = 1; // start navigating to the next path node
ASPathDestroy(c->Path);
c->Path = ASPathCreate(
&cPathNodeSource, &ac, ¤tTile, &c->Goal);
// In case we can't calculate A* for some reason,
// try simple navigation again
if (ASPathGetCount(c->Path) <= 1)
{
debug(
D_MAX,
"Error: can't calculate path from {%d, %d} to {%d, %d}",
currentTile.x, currentTile.y,
goalTile.x, goalTile.y);
return AIGotoDirect(a, p);
}
return AStarFollow(c, currentTile, &actor->tileItem, a);
}
}
static void MakeBackground(GraphicsDevice *g, int buildTables)
{
if (buildTables)
{
// Automatically pan camera to middle of screen
Mission *m = gMission.missionData;
Vec2i focusTile = Vec2iScaleDiv(m->Size, 2);
// Better yet, if the map has a known start position, focus on that
if (m->Type == MAPTYPE_STATIC &&
!Vec2iEqual(m->u.Static.Start, Vec2iZero()))
{
focusTile = m->u.Static.Start;
}
camera = Vec2iCenterOfTile(focusTile);
}
// Clear background first
for (int i = 0; i < GraphicsGetScreenSize(&g->cachedConfig); i++)
{
g->buf[i] = PixelFromColor(g, colorBlack);
}
GrafxDrawExtra extra;
extra.guideImage = brush.GuideImageSurface;
extra.guideImageAlpha = brush.GuideImageAlpha;
DrawBufferTerminate(&sDrawBuffer);
DrawBufferInit(&sDrawBuffer, Vec2iNew(X_TILES, Y_TILES), &gGraphicsDevice);
GrafxMakeBackground(
g, &sDrawBuffer, &gCampaign, &gMission, &gMap,
tintNone, 1, buildTables, camera, &extra);
}
void UIButtonSetPic(UIObject *o, Pic *pic)
{
assert(o->Type == UITYPE_BUTTON && "invalid UI type");
o->u.Button.Pic = pic;
if (Vec2iEqual(o->Size, Vec2iZero()))
{
o->Size = o->u.Button.Pic->size;
}
}
// Follow the current A* path
static int AStarFollow(
AIGotoContext *c, Vec2i currentTile, TTileItem *i, Vec2i a)
{
Vec2i *pathTile = ASPathGetNode(c->Path, c->PathIndex);
c->IsFollowing = 1;
// Check if we need to follow the next step in the path
// Note: need to make sure the actor is fully within the current tile
// otherwise it may get stuck at corners
if (Vec2iEqual(currentTile, *pathTile) &&
IsTileItemInsideTile(i, currentTile))
{
c->PathIndex++;
pathTile = ASPathGetNode(c->Path, c->PathIndex);
c->IsFollowing = 0;
}
// Go directly to the center of the next tile
return AIGotoDirect(a, Vec2iCenterOfTile(*pathTile));
}
void GraphicsConfigSet(
GraphicsConfig *c,
const Vec2i res, const bool fullscreen, const int scaleFactor)
{
if (!Vec2iEqual(res, c->Res))
{
c->Res = res;
c->needRestart = true;
}
#define SET(_lhs, _rhs) \
if ((_lhs) != (_rhs)) \
{ \
(_lhs) = (_rhs); \
c->needRestart = true; \
}
SET(c->Fullscreen, fullscreen);
SET(c->ScaleFactor, scaleFactor);
}
void GraphicsConfigSet(
GraphicsConfig *c,
const Vec2i res, const bool fullscreen,
const int scaleFactor, const ScaleMode scaleMode, const int brightness)
{
if (!Vec2iEqual(res, c->Res))
{
c->Res = res;
c->RestartFlags |= RESTART_RESOLUTION;
}
#define SET(_lhs, _rhs, _flag) \
if ((_lhs) != (_rhs)) \
{ \
(_lhs) = (_rhs); \
c->RestartFlags |= (_flag); \
}
SET(c->Fullscreen, fullscreen, RESTART_RESOLUTION);
SET(c->ScaleFactor, scaleFactor, RESTART_RESOLUTION);
SET(c->ScaleMode, scaleMode, RESTART_SCALE_MODE);
SET(c->Brightness, brightness, RESTART_BRIGHTNESS);
}
static bool TryRemoveMapObjectAt(const Vec2i pos, CArray *objs)
{
for (int i = 0; i < (int)objs->size; i++)
{
MapObjectPositions *mop = CArrayGet(objs, i);
for (int j = 0; j < (int)mop->Positions.size; j++)
{
const Vec2i *mopPos = CArrayGet(&mop->Positions, j);
if (Vec2iEqual(*mopPos, pos))
{
CArrayDelete(&mop->Positions, j);
if (mop->Positions.size == 0)
{
CArrayTerminate(&mop->Positions);
CArrayDelete(objs, i);
}
return true;
}
}
}
return false;
}
static Vec2i SeekTowards(
const Vec2i pos, const Vec2i vel, const double speedMin,
const Vec2i targetPos, const int seekFactor)
{
// Compensate for bullet's velocity
const Vec2i targetVel = Vec2iMinus(Vec2iMinus(targetPos, pos), vel);
// Don't seek if the coordinates are too big
if (abs(targetVel.x) > 10000 || abs(targetVel.y) > 10000 ||
Vec2iIsZero(targetVel))
{
return vel;
}
const double targetMag = sqrt(
targetVel.x*targetVel.x + targetVel.y*targetVel.y);
const double magnitude = MAX(speedMin,
Vec2iEqual(vel, Vec2iZero()) ? speedMin : sqrt(vel.x*vel.x + vel.y*vel.y));
const double combinedX =
vel.x / magnitude * seekFactor + targetVel.x / targetMag;
const double combinedY =
vel.y / magnitude * seekFactor + targetVel.y / targetMag;
return Vec2iNew(
(int)round(combinedX * magnitude / (seekFactor + 1)),
(int)round(combinedY * magnitude / (seekFactor + 1)));
}
static HandleInputResult HandleInput(
int c, int m, int *xc, int *yc, int *xcOld, int *ycOld, Mission *scrap)
{
HandleInputResult result = { false, false, false, false };
Mission *mission = CampaignGetCurrentMission(&gCampaign);
UIObject *o = NULL;
brush.Pos = GetMouseTile(&gEventHandlers);
// Find whether the mouse has hovered over a tooltip
bool hadTooltip = sTooltipObj != NULL;
if (!UITryGetObject(sObjs, gEventHandlers.mouse.currentPos, &sTooltipObj) ||
!sTooltipObj->Tooltip)
{
sTooltipObj = NULL;
}
// Need to redraw if we either had a tooltip (draw to remove) or there's a
// tooltip to draw
if (hadTooltip || sTooltipObj)
{
result.Redraw = true;
}
// Make sure a redraw is done immediately if the resolution changes
// Otherwise the resolution change is ignored and we try to redraw
// later, when the draw buffer has not yet been recreated
if (gEventHandlers.HasResolutionChanged)
{
result.Redraw = true;
}
// Also need to redraw if the brush is active to update the highlight
if (brush.IsActive)
{
result.Redraw = true;
}
if (m &&
(m == SDL_BUTTON_LEFT || m == SDL_BUTTON_RIGHT ||
m == SDL_BUTTON_WHEELUP || m == SDL_BUTTON_WHEELDOWN))
{
result.Redraw = true;
if (UITryGetObject(sObjs, gEventHandlers.mouse.currentPos, &o))
{
if (!o->DoNotHighlight)
{
if (sLastHighlightedObj)
{
UIObjectUnhighlight(sLastHighlightedObj);
}
sLastHighlightedObj = o;
UIObjectHighlight(o);
}
CArrayTerminate(&sDrawObjs);
*xcOld = *xc;
*ycOld = *yc;
// Only change selection on left/right click
if (m == SDL_BUTTON_LEFT || m == SDL_BUTTON_RIGHT)
{
if (!(o->Flags & UI_LEAVE_YC))
{
*yc = o->Id;
AdjustYC(yc);
}
if (!(o->Flags & UI_LEAVE_XC))
{
*xc = o->Id2;
AdjustXC(*yc, xc);
}
}
if (!(o->Flags & UI_SELECT_ONLY) &&
(!(o->Flags & UI_SELECT_ONLY_FIRST) || (*xc == *xcOld && *yc == *ycOld)))
{
if (m == SDL_BUTTON_LEFT || m == SDL_BUTTON_WHEELUP)
{
c = SDLK_PAGEUP;
}
else if (m == SDL_BUTTON_RIGHT || m == SDL_BUTTON_WHEELDOWN)
{
c = SDLK_PAGEDOWN;
}
}
}
else
{
if (!(brush.IsActive && mission))
{
UIObjectUnhighlight(sObjs);
CArrayTerminate(&sDrawObjs);
sLastHighlightedObj = NULL;
}
}
}
if (!o &&
(MouseIsDown(&gEventHandlers.mouse, SDL_BUTTON_LEFT) ||
MouseIsDown(&gEventHandlers.mouse, SDL_BUTTON_RIGHT)))
{
result.Redraw = true;
if (brush.IsActive && mission->Type == MAPTYPE_STATIC)
{
// Draw a tile
if (IsBrushPosValid(brush.Pos, mission))
{
int isMain =
MouseIsDown(&gEventHandlers.mouse, SDL_BUTTON_LEFT);
EditorResult r =
EditorBrushStartPainting(&brush, mission, isMain);
if (r == EDITOR_RESULT_CHANGED ||
r == EDITOR_RESULT_CHANGED_AND_RELOAD)
{
fileChanged = 1;
Autosave();
result.RemakeBg = true;
sHasUnbakedChanges = true;
}
if (r == EDITOR_RESULT_CHANGED_AND_RELOAD)
{
Setup(0);
}
}
}
}
else
{
if (mission)
{
// Clamp brush position
brush.Pos = Vec2iClamp(
brush.Pos,
Vec2iZero(), Vec2iMinus(mission->Size, Vec2iUnit()));
EditorResult r = EditorBrushStopPainting(&brush, mission);
if (r == EDITOR_RESULT_CHANGED ||
r == EDITOR_RESULT_CHANGED_AND_RELOAD)
{
fileChanged = 1;
Autosave();
result.Redraw = true;
result.RemakeBg = true;
sHasUnbakedChanges = true;
}
if (r == EDITOR_RESULT_CHANGED_AND_RELOAD)
{
Setup(0);
}
}
}
// Pan the camera based on keyboard cursor keys
if (mission)
{
if (KeyIsDown(&gEventHandlers.keyboard, SDLK_LEFT))
{
camera.x -= CAMERA_PAN_SPEED;
result.Redraw = result.RemakeBg = true;
}
else if (KeyIsDown(&gEventHandlers.keyboard, SDLK_RIGHT))
{
camera.x += CAMERA_PAN_SPEED;
result.Redraw = result.RemakeBg = true;
}
if (KeyIsDown(&gEventHandlers.keyboard, SDLK_UP))
{
camera.y -= CAMERA_PAN_SPEED;
result.Redraw = result.RemakeBg = true;
}
else if (KeyIsDown(&gEventHandlers.keyboard, SDLK_DOWN))
{
camera.y += CAMERA_PAN_SPEED;
result.Redraw = result.RemakeBg = true;
}
// Also pan the camera based on middle mouse drag
if (MouseIsDown(&gEventHandlers.mouse, SDL_BUTTON_MIDDLE))
{
camera = Vec2iAdd(camera, Vec2iMinus(
gEventHandlers.mouse.previousPos,
gEventHandlers.mouse.currentPos));
result.Redraw = result.RemakeBg = true;
}
camera.x = CLAMP(camera.x, 0, Vec2iCenterOfTile(mission->Size).x);
camera.y = CLAMP(camera.y, 0, Vec2iCenterOfTile(mission->Size).y);
}
bool hasQuit = false;
if (gEventHandlers.keyboard.modState & (KMOD_ALT | KMOD_CTRL))
{
result.Redraw = true;
switch (c)
{
case 'z':
// Undo
// Do this by swapping the current mission with the last mission
// This requires a bit of copy-acrobatics; because missions
// are saved in Setup(), but by this stage the mission has already
// changed, _two_ mission caches are used, copied in sequence.
// That is, if the current mission is at state B, the first cache
// is still at state B (copied after the mission has changed
// already), and the second cache is at state A.
// If we were to perform an undo and still maintain functionality,
// we need to copy such that the states change from B,B,A to
// A,A,B.
// However! The above is true only if we have "baked" changes
// The editor has been optimised to perform some changes
// without reloading map files; that is, the files are actually
// in states C,B,A.
// In this case, another set of "acrobatics" is required
if (sHasUnbakedChanges)
{
MissionCopy(&lastMission, mission); // B,A,Z -> B,A,B
}
else
{
MissionCopy(mission, &lastMission); // B,B,A -> A,B,A
MissionCopy(&lastMission, ¤tMission); // A,B,A -> A,B,B
}
fileChanged = 1;
Setup(0); // A,B,B -> A,A,B
break;
case 'x':
MissionTerminate(scrap);
MissionCopy(scrap, mission);
Delete(*xc, *yc);
break;
case 'c':
MissionTerminate(scrap);
MissionCopy(scrap, mission);
break;
case 'v':
// Use map size as a proxy to whether there's a valid scrap mission
if (!Vec2iEqual(scrap->Size, Vec2iZero()))
{
InsertMission(&gCampaign, scrap, gCampaign.MissionIndex);
fileChanged = 1;
Setup(0);
}
break;
case 'q':
hasQuit = true;
break;
case 'n':
InsertMission(&gCampaign, NULL, gCampaign.Setting.Missions.size);
gCampaign.MissionIndex = gCampaign.Setting.Missions.size - 1;
fileChanged = 1;
Setup(0);
break;
case 'o':
if (!fileChanged || ConfirmScreen(
"File has been modified, but not saved", "Open anyway? (Y/N)"))
{
Open();
}
break;
case 's':
Save();
break;
case 'm':
result.WillDisplayAutomap = true;
break;
case 'e':
EditCharacters(&gCampaign.Setting);
Setup(0);
UIObjectUnhighlight(sObjs);
CArrayTerminate(&sDrawObjs);
break;
}
}
else
{
if (c != 0)
{
result.Redraw = true;
}
switch (c)
{
case SDLK_F1:
HelpScreen();
break;
case SDLK_HOME:
if (gCampaign.MissionIndex > 0)
{
gCampaign.MissionIndex--;
}
Setup(0);
break;
case SDLK_END:
if (gCampaign.MissionIndex < (int)gCampaign.Setting.Missions.size)
{
gCampaign.MissionIndex++;
}
Setup(0);
break;
case SDLK_INSERT:
switch (*yc)
{
case YC_CHARACTERS:
if (gCampaign.Setting.characters.OtherChars.size > 0)
{
int ch = 0;
CArrayPushBack(&mission->Enemies, &ch);
CharacterStoreAddBaddie(&gCampaign.Setting.characters, ch);
*xc = mission->Enemies.size - 1;
}
break;
case YC_SPECIALS:
if (gCampaign.Setting.characters.OtherChars.size > 0)
{
int ch = 0;
CArrayPushBack(&mission->SpecialChars, &ch);
CharacterStoreAddSpecial(&gCampaign.Setting.characters, ch);
*xc = mission->SpecialChars.size - 1;
}
break;
case YC_ITEMS:
{
int item = 0;
CArrayPushBack(&mission->Items, &item);
CArrayPushBack(&mission->ItemDensities, &item);
*xc = mission->Items.size - 1;
}
break;
default:
if (*yc >= YC_OBJECTIVES)
{
AddObjective(mission);
}
else
{
InsertMission(&gCampaign, NULL, gCampaign.MissionIndex);
}
break;
}
fileChanged = 1;
Setup(0);
break;
case SDLK_DELETE:
Delete(*xc, *yc);
break;
case SDLK_PAGEUP:
if (Change(o, *yc, 1))
{
fileChanged = 1;
}
Setup(0);
break;
case SDLK_PAGEDOWN:
if (Change(o, *yc, -1))
{
fileChanged = 1;
}
Setup(0);
break;
case SDLK_ESCAPE:
hasQuit = true;
break;
case SDLK_BACKSPACE:
fileChanged |= UIObjectDelChar(sObjs);
break;
default:
c = KeyGetTyped(&gEventHandlers.keyboard);
if (c)
{
fileChanged |= UIObjectAddChar(sObjs, (char)c);
}
break;
}
}
if (gEventHandlers.HasQuit)
{
hasQuit = true;
}
if (hasQuit && (!fileChanged || ConfirmScreen(
"File has been modified, but not saved", "Quit anyway? (Y/N)")))
{
result.Done = true;
}
return result;
}
EditorResult EditorBrushStopPainting(EditorBrush *b, Mission *m)
{
EditorResult result = EDITOR_RESULT_NONE;
if (b->IsPainting)
{
switch (b->Type)
{
case BRUSHTYPE_LINE:
EditorBrushPaintLine(b, m);
result = EDITOR_RESULT_CHANGED;
break;
case BRUSHTYPE_BOX:
EditorBrushPaintBox(b, m, b->PaintType, MAP_UNSET);
result = EDITOR_RESULT_CHANGED;
break;
case BRUSHTYPE_BOX_FILLED:
EditorBrushPaintBox(b, m, b->PaintType, b->PaintType);
result = EDITOR_RESULT_CHANGED;
break;
case BRUSHTYPE_ROOM:
EditorBrushPaintBox(b, m, MAP_WALL, MAP_ROOM);
result = EDITOR_RESULT_CHANGED;
break;
case BRUSHTYPE_ROOM_PAINTER:
// Reload map to update tiles
result = EDITOR_RESULT_RELOAD;
break;
case BRUSHTYPE_SELECT:
if (b->IsMoving)
{
// Move the tiles from the source to the target
// Need to copy all the tiles to a temp buffer first in case
// we are moving to an overlapped position
CArray movedTiles;
Vec2i v;
int i;
int delta;
CArrayInit(&movedTiles, sizeof(unsigned short));
// Copy tiles to temp from selection, setting them to MAP_FLOOR
// in the process
for (v.y = 0; v.y < b->SelectionSize.y; v.y++)
{
for (v.x = 0; v.x < b->SelectionSize.x; v.x++)
{
Vec2i vOffset = Vec2iAdd(v, b->SelectionStart);
int idx = vOffset.y * m->Size.x + vOffset.x;
unsigned short *tile = CArrayGet(
&m->u.Static.Tiles, idx);
CArrayPushBack(&movedTiles, tile);
*tile = MAP_FLOOR;
}
}
// Move the selection to the new position
b->SelectionStart.x += b->Pos.x - b->DragPos.x;
b->SelectionStart.y += b->Pos.y - b->DragPos.y;
// Copy tiles to the new area, for parts of the new area that
// are valid
i = 0;
for (v.y = 0; v.y < b->SelectionSize.y; v.y++)
{
for (v.x = 0; v.x < b->SelectionSize.x; v.x++)
{
Vec2i vOffset = Vec2iAdd(v, b->SelectionStart);
if (vOffset.x >= 0 && vOffset.x < m->Size.x &&
vOffset.y >= 0 && vOffset.y < m->Size.y)
{
int idx = vOffset.y * m->Size.x + vOffset.x;
unsigned short *tileFrom =
CArrayGet(&movedTiles, i);
unsigned short *tileTo = CArrayGet(
&m->u.Static.Tiles, idx);
*tileTo = *tileFrom;
result = EDITOR_RESULT_CHANGED_AND_RELOAD;
}
i++;
}
}
// Update the selection to fit within map boundaries
delta = -b->SelectionStart.x;
if (delta > 0)
{
b->SelectionStart.x += delta;
b->SelectionSize.x -= delta;
}
delta = -b->SelectionStart.y;
if (delta > 0)
{
b->SelectionStart.y += delta;
b->SelectionSize.y -= delta;
}
delta = b->SelectionStart.x + b->SelectionSize.x - m->Size.x;
if (delta > 0)
{
b->SelectionSize.x -= delta;
}
delta = b->SelectionStart.y + b->SelectionSize.y - m->Size.y;
if (delta > 0)
{
b->SelectionSize.y -= delta;
}
// Check if the selection is still valid; if not, invalidate it
if (b->SelectionSize.x < 0 || b->SelectionSize.y < 0)
{
b->SelectionSize = Vec2iZero();
}
b->IsMoving = 0;
}
else
{
// Record the selection size
b->SelectionStart = Vec2iMin(b->LastPos, b->Pos);
b->SelectionSize.x = abs(b->LastPos.x - b->Pos.x) + 1;
b->SelectionSize.y = abs(b->LastPos.y - b->Pos.y) + 1;
// Disallow 1x1 selection sizes
if (b->SelectionSize.x <= 1 && b->SelectionSize.y <= 1)
{
b->SelectionSize = Vec2iZero();
}
}
break;
case BRUSHTYPE_SET_EXIT:
{
Vec2i exitStart = Vec2iMin(b->LastPos, b->Pos);
Vec2i exitEnd = Vec2iMax(b->LastPos, b->Pos);
// Clamp within map boundaries
exitStart = Vec2iClamp(
exitStart, Vec2iZero(), Vec2iMinus(m->Size, Vec2iUnit()));
exitEnd = Vec2iClamp(
exitEnd, Vec2iZero(), Vec2iMinus(m->Size, Vec2iUnit()));
// Check that size is big enough
Vec2i size =
Vec2iAdd(Vec2iMinus(exitEnd, exitStart), Vec2iUnit());
if (size.x >= 3 && size.y >= 3)
{
// Check that exit area has changed
if (!Vec2iEqual(exitStart, m->u.Static.Exit.Start) ||
!Vec2iEqual(exitEnd, m->u.Static.Exit.End))
{
m->u.Static.Exit.Start = exitStart;
m->u.Static.Exit.End = exitEnd;
result = EDITOR_RESULT_CHANGED_AND_RELOAD;
}
}
}
break;
default:
// do nothing
break;
}
}
b->IsPainting = 0;
CArrayClear(&b->HighlightedTiles);
return result;
}
int MouseHasMoved(Mouse *mouse)
{
return !Vec2iEqual(mouse->previousPos, mouse->currentPos);
}