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Use new fpathCheck() to implement new continent based path checks for repair orders. 

Also introduce two new utility functions - objPosDiffSq and droidSqDist for easy
position comparisons, the latter with continent check built-in. Reviewed by Buginator.


git-svn-id: https://warzone2100.svn.sourceforge.net/svnroot/warzone2100/trunk@7727 4a71c877-e1ca-e34f-864e-861f7616d084
master
Per Inge Mathisen 2009-06-12 19:51:09 +00:00 committed by Git SVN Gateway
parent ccacb3aade
commit 0111587288
4 changed files with 34 additions and 31 deletions
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7
src/basedef.h
View File

@ -104,6 +104,13 @@ static inline bool isDead(const BASE_OBJECT* psObj)
return (psObj->died > NOT_CURRENT_LIST);
}
static inline int objPosDiffSq(Vector3uw pos1, Vector3uw pos2)
{
const int xdiff = pos1.x - pos2.x;
const int ydiff = pos1.y - pos2.y;
return (xdiff * xdiff + ydiff * ydiff);
}
// Must be #included __AFTER__ the definition of BASE_OBJECT
#include "baseobject.h"

13
src/droid.c
View File

@ -4795,3 +4795,16 @@ void checkDroid(const DROID *droid, const char *const location, const char *func
}
}
}
int droidSqDist(DROID *psDroid, BASE_OBJECT *psObj)
{
PROPULSION_STATS *psPropStats = asPropulsionStats + psDroid->asBits[COMP_PROPULSION].nStat;
Vector2i dPos = { map_coord(psDroid->pos.x), map_coord(psDroid->pos.y) };
Vector2i rPos = { map_coord(psObj->pos.x), map_coord(psObj->pos.y) };
if (!fpathCheck(dPos, rPos, psPropStats->propulsionType))
{
return -1;
}
return objPosDiffSq(psDroid->pos, psObj->pos);
}

5
src/droid.h
View File

@ -556,9 +556,12 @@ static inline void setSaveDroidBase(DROID *psSaveDroid, STRUCTURE *psNewBase)
void checkDroid(const DROID *droid, const char * const location_description, const char * function, const int recurse);
/* assert if droid is bad */
/** assert if droid is bad */
#define CHECK_DROID(droid) checkDroid(droid, AT_MACRO, __FUNCTION__, max_check_object_recursion)
/** If droid can get to given object using its current propulsion, return the square distance. Otherwise return -1. */
int droidSqDist(DROID *psDroid, BASE_OBJECT *psObj);
// Minimum damage a weapon will deal to its target
#define MIN_WEAPON_DAMAGE 1

36
src/order.c
View File

@ -171,7 +171,6 @@ a defined range*/
BASE_OBJECT * checkForRepairRange(DROID *psDroid,DROID *psTarget)
{
DROID *psCurr;
SDWORD xdiff, ydiff;
ASSERT( psDroid->droidType == DROID_REPAIR || psDroid->droidType ==
DROID_CYBORG_REPAIR, "checkForRepairRange:Invalid droid type" );
@ -204,18 +203,12 @@ BASE_OBJECT * checkForRepairRange(DROID *psDroid,DROID *psTarget)
for (; psCurr != NULL; psCurr = psCurr->psNext)
{
//check for damage
if (droidIsDamaged(psCurr) &&
visibleObject((BASE_OBJECT *)psDroid, (BASE_OBJECT *)psCurr, false))
{
//check for within range
xdiff = (SDWORD)psDroid->pos.x - (SDWORD)psCurr->pos.x;
ydiff = (SDWORD)psDroid->pos.y - (SDWORD)psCurr->pos.y;
if ( (xdiff*xdiff) + (ydiff*ydiff) < REPAIR_MAXDIST*REPAIR_MAXDIST)
if (droidIsDamaged(psCurr) && visibleObject((BASE_OBJECT *)psDroid, (BASE_OBJECT *)psCurr, false)
&& droidSqDist(psDroid, (BASE_OBJECT *)psCurr) < REPAIR_MAXDIST * REPAIR_MAXDIST)
{
return (BASE_OBJECT *)psCurr;
}
}
}
return NULL;
}
@ -224,7 +217,6 @@ a defined range*/
BASE_OBJECT * checkForDamagedStruct(DROID *psDroid, STRUCTURE *psTarget)
{
STRUCTURE *psCurr;
SDWORD xdiff, ydiff;
ASSERT(psDroid->droidType == DROID_CONSTRUCT || psDroid->droidType == DROID_CYBORG_CONSTRUCT, "Invalid unit type");
@ -247,21 +239,13 @@ BASE_OBJECT * checkForDamagedStruct(DROID *psDroid, STRUCTURE *psTarget)
for (; psCurr != NULL; psCurr = psCurr->psNext)
{
//check for damage
if (psCurr->status == SS_BUILT &&
structIsDamaged(psCurr) &&
!checkDroidsDemolishing(psCurr) &&
visibleObject((BASE_OBJECT *)psDroid, (BASE_OBJECT *)psCurr, false))
{
//check for within range
xdiff = (SDWORD)psDroid->pos.x - (SDWORD)psCurr->pos.x;
ydiff = (SDWORD)psDroid->pos.y - (SDWORD)psCurr->pos.y;
//check for repair distance and not construct_dist - this allows for structures being up to 3 tiles across
if ((xdiff*xdiff) + (ydiff*ydiff) < REPAIR_MAXDIST*REPAIR_MAXDIST)
if (psCurr->status == SS_BUILT && structIsDamaged(psCurr) && !checkDroidsDemolishing(psCurr)
&& visibleObject((BASE_OBJECT *)psDroid, (BASE_OBJECT *)psCurr, false)
&& droidSqDist(psDroid, (BASE_OBJECT *)psCurr) < REPAIR_MAXDIST * REPAIR_MAXDIST)
{
return (BASE_OBJECT *)psCurr;
}
}
}
return NULL;
}
@ -892,9 +876,7 @@ void orderUpdateDroid(DROID *psDroid)
ASSERT( psRepairFac != NULL,
"orderUpdateUnit: invalid repair facility pointer" );
xdiff = (SDWORD)psDroid->pos.x - (SDWORD)psDroid->psTarget->pos.x;
ydiff = (SDWORD)psDroid->pos.y - (SDWORD)psDroid->psTarget->pos.y;
if (xdiff*xdiff + ydiff*ydiff < (TILE_UNITS*8)*(TILE_UNITS*8))
if (objPosDiffSq(psDroid->pos, psDroid->psTarget->pos) < (TILE_UNITS * 8) * (TILE_UNITS * 8))
{
/* action droid to wait */
actionDroid(psDroid, DACTION_WAITFORREPAIR);
@ -1271,7 +1253,7 @@ void orderUpdateDroid(DROID *psDroid)
static void orderCmdGroupBase(DROID_GROUP *psGroup, DROID_ORDER_DATA *psData)
{
DROID *psCurr, *psChosen;
SDWORD xdiff,ydiff, currdist, mindist;
SDWORD currdist, mindist;
ASSERT( psGroup != NULL,
"cmdUnitOrderGroupBase: invalid unit group" );
@ -1283,9 +1265,7 @@ static void orderCmdGroupBase(DROID_GROUP *psGroup, DROID_ORDER_DATA *psData)
mindist = SDWORD_MAX;
for(psCurr = psGroup->psList; psCurr; psCurr=psCurr->psGrpNext)
{
xdiff = (SDWORD)psCurr->pos.x - (SDWORD)psData->psObj->pos.x;
ydiff = (SDWORD)psCurr->pos.y - (SDWORD)psData->psObj->pos.y;
currdist = xdiff*xdiff + ydiff*ydiff;
currdist = objPosDiffSq(psCurr->pos, psData->psObj->pos);
if (currdist < mindist)
{
psChosen = psCurr;