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@ -234,7 +234,7 @@ struct workshop_hook : df::building_workshopst {
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// Find liquids to consume below the engine.
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// Find liquids to consume below the engine.
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bool find_liquids(df::coord *pwater, df::coord *pmagma, bool is_magma, bool any_level)
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bool find_liquids(df::coord *pwater, df::coord *pmagma, bool is_magma, int min_level)
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{
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{
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if (!is_magma)
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if (!is_magma)
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pmagma = NULL;
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pmagma = NULL;
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@ -252,23 +252,18 @@ struct workshop_hook : df::building_workshopst {
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continue;
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continue;
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auto pldes = Maps::getTileDesignation(x,y,z-1);
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auto pldes = Maps::getTileDesignation(x,y,z-1);
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if (!pldes || pldes->bits.flow_size == 0)
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if (!pldes || pldes->bits.flow_size < min_level)
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continue;
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continue;
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if (pldes->bits.liquid_type == tile_liquid::Magma)
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if (pldes->bits.liquid_type == tile_liquid::Magma)
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{
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{
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if (!pmagma || (!any_level && pldes->bits.flow_size < 4))
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if (pmagma)
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continue;
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*pmagma = df::coord(x,y,z-1);
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*pmagma = df::coord(x,y,z-1);
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if (pwater->isValid())
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if (pwater->isValid())
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return true;
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return true;
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}
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}
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else
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else
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{
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{
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if (!any_level && pldes->bits.flow_size < 3)
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continue;
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*pwater = df::coord(x,y,z-1);
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*pwater = df::coord(x,y,z-1);
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if (!pmagma || pmagma->isValid())
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if (!pmagma || pmagma->isValid())
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return true;
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return true;
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@ -286,7 +281,7 @@ struct workshop_hook : df::building_workshopst {
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// Consume liquid inputs
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// Consume liquid inputs
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df::coord water, magma;
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df::coord water, magma;
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if (!find_liquids(&water, &magma, engine->is_magma, true))
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if (!find_liquids(&water, &magma, engine->is_magma, 1))
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{
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{
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// Destroy the item with enormous wear amount.
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// Destroy the item with enormous wear amount.
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liquid->addWear(WEAR_TICKS*5, true, false);
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liquid->addWear(WEAR_TICKS*5, true, false);
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@ -626,7 +621,7 @@ struct workshop_hook : df::building_workshopst {
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if (auto engine = get_steam_engine())
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if (auto engine = get_steam_engine())
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{
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{
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df::coord water, magma;
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df::coord water, magma;
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return !find_liquids(&water, &magma, engine->is_magma, false);
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return !find_liquids(&water, &magma, engine->is_magma, 3);
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}
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}
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return INTERPOSE_NEXT(isUnpowered)();
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return INTERPOSE_NEXT(isUnpowered)();
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@ -681,12 +676,24 @@ struct workshop_hook : df::building_workshopst {
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if (engine->water_tile.isValid() || engine->magma_tile.isValid())
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if (engine->water_tile.isValid() || engine->magma_tile.isValid())
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{
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{
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df::coord water, magma;
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df::coord water, magma;
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find_liquids(&water, &magma, engine->is_magma, false);
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find_liquids(&water, &magma, engine->is_magma, 3);
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df::coord dwater, dmagma;
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find_liquids(&dwater, &dmagma, engine->is_magma, 5);
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if (engine->water_tile.isValid() && !water.isValid())
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if (engine->water_tile.isValid())
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{
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if (!water.isValid())
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db->fore[engine->water_tile.x][engine->water_tile.y] = 0;
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db->fore[engine->water_tile.x][engine->water_tile.y] = 0;
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if (engine->magma_tile.isValid() && engine->is_magma && !magma.isValid())
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else if (!dwater.isValid())
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db->bright[engine->water_tile.x][engine->water_tile.y] = 0;
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}
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if (engine->magma_tile.isValid() && engine->is_magma)
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{
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if (!magma.isValid())
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db->fore[engine->magma_tile.x][engine->magma_tile.y] = 0;
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db->fore[engine->magma_tile.x][engine->magma_tile.y] = 0;
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else if (!dmagma.isValid())
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db->bright[engine->magma_tile.x][engine->magma_tile.y] = 0;
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}
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}
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}
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}
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}
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}
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}
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