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-rw-r--r--engines/hdb/ai.h2
-rw-r--r--engines/hdb/hdb.cpp181
2 files changed, 176 insertions, 7 deletions
diff --git a/engines/hdb/ai.h b/engines/hdb/ai.h
index 1a0f1d35b5..adb6ee89b9 100644
--- a/engines/hdb/ai.h
+++ b/engines/hdb/ai.h
@@ -398,7 +398,7 @@ struct AIEntity {
AIDir dir2; // this is from TED
uint16 x, y;
- uint16 drawXOff, drawYOff; // might need a drawing offset
+ int16 drawXOff, drawYOff; // might need a drawing offset
uint16 onScreen; // FLAG: is this entity onscreen?
uint16 moveSpeed; // movement speed of this entity
int16 xVel, yVel; // movement values
diff --git a/engines/hdb/hdb.cpp b/engines/hdb/hdb.cpp
index 3f2ca97419..4c48e06e59 100644
--- a/engines/hdb/hdb.cpp
+++ b/engines/hdb/hdb.cpp
@@ -448,12 +448,181 @@ void HDBGame::useEntity(AIEntity *e) {
}
}
- /*
- PUSHING
- If its a pushable object, push it. Unless it's in/on water.
- */
+ // PUSHING
+ // If its a pushable object, push it. Unless it's in/on water.
if (e->type == AI_CRATE || e->type == AI_LIGHTBARREL || e->type == AI_BOOMBARREL || e->type == AI_MAGIC_EGG || e->type == AI_ICE_BLOCK || e->type == AI_FROGSTATUE || e->type == AI_DIVERTER) {
- warning("STUB: HDBGame::useEntity PUSHING required");
+ int xDir, yDir, chX, chY;
+ uint32 flags;
+ AIEntity *e2;
+
+ // if it's floating, don't touch!
+ if (e->state >= STATE_FLOATING && e->state <= STATE_FLOATRIGHT) {
+ g_hdb->_ai->lookAtEntity(e);
+ g_hdb->_ai->animGrabbing();
+ g_hdb->_window->openMessageBar("I can't lift that!", 1);
+ return;
+ }
+
+ xDir = yDir = 0;
+ if (p->tileX > e->tileX)
+ xDir = -2;
+ else if (p->tileX < e->tileX)
+ xDir = 2;
+
+ if (p->tileY > e->tileY)
+ yDir = -2;
+ else if (p->tileY < e->tileY)
+ yDir = 2;
+
+ // no diagonals allowed!
+ if (xDir && yDir)
+ return;
+
+ chX = p->tileX + xDir;
+ chY = p->tileY + yDir;
+
+ // are we going to push this over a sliding surface? (ok)
+ // are we going to push this into a blocking tile? (not ok)
+ if (e->level == 2) {
+ int fg_flags = g_hdb->_map->getMapFGTileFlags(chX, chY);
+ if (fg_flags & kFlagSolid) {
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ g_hdb->_ai->lookAtXY(chX, chY);
+ g_hdb->_ai->animGrabbing();
+ return;
+ }
+
+ flags = g_hdb->_map->getMapBGTileFlags(chX, chY);
+ if (((flags & kFlagSolid) == kFlagSolid) && !(fg_flags & kFlagGrating)) {
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ g_hdb->_ai->lookAtXY(chX, chY);
+ g_hdb->_ai->animGrabbing();
+ return;
+ }
+ } else {
+ flags = g_hdb->_map->getMapBGTileFlags(chX, chY);
+ if (!(flags & kFlagSlide) && (flags & kFlagSolid)) {
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ g_hdb->_ai->lookAtXY(chX, chY);
+ g_hdb->_ai->animGrabbing();
+ return;
+ }
+ }
+
+ // are we going to push this up the stairs? (not ok)
+ if (flags & kFlagStairBot) {
+ flags = g_hdb->_map->getMapBGTileFlags(e->tileX, e->tileY);
+ if (!(flags & kFlagStairTop)) {
+ g_hdb->_ai->lookAtEntity(e);
+ g_hdb->_ai->animGrabbing();
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ return;
+ }
+ }
+
+ // is player trying to push across a dangerous floor (where the player would be ON the floor after the push)?
+ // don't allow it.
+ flags = g_hdb->_map->getMapBGTileFlags(p->tileX + (xDir >> 1), p->tileY + (yDir >> 1));
+ if (((flags & kFlagRadFloor) == kFlagRadFloor || (flags & kFlagPlasmaFloor) == kFlagPlasmaFloor) &&
+ false == g_hdb->_ai->checkFloating(p->tileX + (xDir >> 1), p->tileY + (yDir >> 1))) {
+ g_hdb->_ai->lookAtEntity(e);
+ g_hdb->_ai->animGrabbing();
+ g_hdb->_sound->playSound(SND_NOPUSH_SIZZLE);
+ return;
+ }
+
+ // are we going to push this into a gem?
+ // if it's a goodfairy, make it move!
+ e2 = g_hdb->_ai->findEntityIgnore(chX, chY, &g_hdb->_ai->_dummyLaser);
+ if (e2 && e2->type == ITEM_GEM_WHITE) {
+ g_hdb->_ai->addAnimateTarget(e2->x, e2->y, 0, 3, ANIM_NORMAL, false, false, GEM_FLASH);
+ g_hdb->_ai->removeEntity(e2);
+ g_hdb->_sound->playSound(SND_BRIDGE_END);
+ g_hdb->_ai->animGrabbing();
+ return;
+ }
+
+ // if so, is it a MELTED or FLOATING entity? if so, that's cool...
+ if (e2) {
+ if (!g_hdb->_ai->checkFloating(e2->tileX, e2->tileY)) {
+ g_hdb->_ai->lookAtXY(chX, chY);
+ g_hdb->_ai->animGrabbing();
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ return;
+ }
+ }
+
+ // are we trying to push this through a door? (teleporter!)
+ SingleTele info;
+ if (true == g_hdb->_ai->findTeleporterDest(chX, chY, &info)) {
+ g_hdb->_ai->lookAtXY(chX, chY);
+ g_hdb->_ai->animGrabbing();
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
+ return;
+ }
+
+ // everything's clear - time to push!
+ // set goal for pushed object
+ if (e->type != AI_DIVERTER)
+ e->moveSpeed = kPushMoveSpeed; // push DIVERTERS real fast
+ g_hdb->_ai->setEntityGoal(e, chX, chY);
+
+ // Diverters are very special - don't mess with their direction & state!
+ if (e->type == AI_DIVERTER) {
+ switch (e->dir2) {
+ case DIR_DOWN: e->state = STATE_DIVERTER_BL; break;
+ case DIR_UP: e->state = STATE_DIVERTER_BR; break;
+ case DIR_LEFT: e->state = STATE_DIVERTER_TL; break;
+ case DIR_RIGHT: e->state = STATE_DIVERTER_TR; break;
+ case DIR_NONE: break;
+ }
+ }
+
+ // set goal for player
+ if (xDir)
+ xDir = xDir >> 1;
+ if (yDir)
+ yDir = yDir >> 1;
+ if (e->type != AI_DIVERTER) // push DIVERTERS real fast
+ p->moveSpeed = kPushMoveSpeed;
+ else
+ p->moveSpeed = kPlayerMoveSpeed;
+
+ g_hdb->_ai->setEntityGoal(p, p->tileX + xDir, p->tileY + yDir);
+
+ // need to set the state AFTER the SetEntityGoal!
+ switch (p->dir) {
+ case DIR_UP: p->state = STATE_PUSHUP; p->drawYOff = -10; break;
+ case DIR_DOWN: p->state = STATE_PUSHDOWN; p->drawYOff = 9; break;
+ case DIR_LEFT: p->state = STATE_PUSHLEFT; p->drawXOff = -10; break;
+ case DIR_RIGHT: p->state = STATE_PUSHRIGHT; p->drawXOff = 10; break;
+ case DIR_NONE: break;
+ }
+
+ // if player is running, keep speed slow since we're pushing
+ if (g_hdb->_ai->playerRunning()) {
+ p->xVel = p->xVel >> 1;
+ p->yVel = p->yVel >> 1;
+ }
+
+ switch (e->type) {
+ case AI_CRATE:
+ g_hdb->_sound->playSound(SND_CRATE_SLIDE); break;
+ case AI_LIGHTBARREL:
+ case AI_FROGSTATUE:
+ case AI_ICE_BLOCK:
+ g_hdb->_sound->playSound(SND_LIGHT_SLIDE); break;
+ case AI_HEAVYBARREL:
+ case AI_MAGIC_EGG:
+ case AI_BOOMBARREL:
+ g_hdb->_sound->playSound(SND_HEAVY_SLIDE); break;
+ case AI_DIVERTER:
+ g_hdb->_sound->playSound(SND_PUSH_DIVERTER); break;
+ default:
+ break;
+ }
+
+ return;
}
// Look at Entity
@@ -468,7 +637,7 @@ void HDBGame::useEntity(AIEntity *e) {
// Can't push it - make a sound
if (e->type == AI_HEAVYBARREL) {
- warning("STUB: HDBGame::useEntity Play HEAVYBARREL sound");
+ g_hdb->_sound->playSound(SND_GUY_UHUH);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-17 06:09:43 +0000