static float AStarHeuristic(void *fromNode, void *toNode, void *context)
{
// Simple Euclidean
Vec2i *v1 = fromNode;
Vec2i *v2 = toNode;
UNUSED(context);
return (float)sqrt(DistanceSquared(
Vec2iCenterOfTile(*v1), Vec2iCenterOfTile(*v2)));
}
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 GrafxMakeRandomBackground(
GraphicsDevice *device,
CampaignOptions *co, struct MissionOptions *mo, Map *map)
{
HSV tint;
CampaignSettingInit(&co->Setting);
ActorsInit();
ObjsInit();
MobObjsInit();
SetupQuickPlayCampaign(&co->Setting, &gConfig.QuickPlay);
co->seed = rand();
tint.h = rand() * 360.0 / RAND_MAX;
tint.s = rand() * 1.0 / RAND_MAX;
tint.v = 0.5;
DrawBuffer buffer;
DrawBufferInit(&buffer, Vec2iNew(X_TILES, Y_TILES), device);
co->MissionIndex = 0;
GrafxMakeBackground(
device, &buffer, co, mo, map,
tint, 0, 1, Vec2iCenterOfTile(Vec2iScaleDiv(map->Size, 2)), NULL);
DrawBufferTerminate(&buffer);
ActorsTerminate();
ObjsTerminate();
MobObjsTerminate();
RemoveAllWatches();
MissionOptionsTerminate(mo);
CampaignSettingTerminate(&co->Setting);
co->seed = gConfig.Game.RandomSeed;
}
Vec2i MapObjectGetPlacementPos(const MapObject *mo, const Vec2i tilePos)
{
Vec2i pos = Vec2iCenterOfTile(tilePos);
pos = Vec2iAdd(pos, mo->PosOffset);
// For on-wall objects, set their position to the top of the tile
// This guarantees that they are drawn last
if (mo->Flags & (1 << PLACEMENT_ON_WALL))
{
pos.y -= TILE_HEIGHT / 2 + 1;
}
return pos;
}
// 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));
}
Vec2i PlacePlayer(
Map *map, const PlayerData *p, const Vec2i firstPos, const bool pumpEvents)
{
NetMsgActorAdd aa = NetMsgActorAdd_init_default;
aa.Id = ActorsGetFreeIndex();
aa.Health = p->Char.maxHealth;
aa.PlayerId = p->playerIndex;
if (IsPVP(gCampaign.Entry.Mode))
{
// In a PVP mode, always place players apart
aa.FullPos = PlaceActor(&gMap);
}
else if (gMission.missionData->Type == MAPTYPE_STATIC &&
!Vec2iIsZero(gMission.missionData->u.Static.Start))
{
// place players near the start point
Vec2i startPoint = Vec2iReal2Full(Vec2iCenterOfTile(
gMission.missionData->u.Static.Start));
aa.FullPos = PlaceActorNear(map, startPoint, true);
}
else if (gConfig.Interface.Splitscreen == SPLITSCREEN_NEVER &&
!Vec2iIsZero(firstPos))
{
// If never split screen, try to place players near the first player
aa.FullPos = PlaceActorNear(map, firstPos, true);
}
else
{
aa.FullPos = PlaceActor(map);
}
GameEvent e = GameEventNew(GAME_EVENT_ACTOR_ADD);
e.u.ActorAdd = aa;
GameEventsEnqueue(&gGameEvents, e);
if (pumpEvents)
{
// Process the events that actually place the players
HandleGameEvents(&gGameEvents, NULL, NULL, NULL, &gEventHandlers);
}
return Vec2iNew(aa.FullPos.x, aa.FullPos.y);
}
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;
}
