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(svn r3608) No functional change, just make some code more comprehensible: Reduce variable scope, remove write-only variables, turn do-while-loops with multiple induction variables into canonical for-loops

This commit is contained in:
tron 2006-02-17 16:24:56 +00:00
parent 1f177c6306
commit 6cde2661c5
1 changed files with 55 additions and 66 deletions
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121
vehicle_gui.c
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@ -500,36 +500,39 @@ static void train_engine_drawing_loop(int *x, int *y, int *pos, int *sel, Engine
static void SetupScrollStuffForReplaceWindow(Window *w)
{
RailType railtype;
EngineID selected_id[2] = { INVALID_ENGINE, INVALID_ENGINE };
int sel[2];
int count = 0;
int count2 = 0;
EngineID engine_id;
const Player *p = GetPlayer(_local_player);
EngineID i;
sel[0] = WP(w,replaceveh_d).sel_index[0];
sel[1] = WP(w,replaceveh_d).sel_index[1];
switch (WP(w,replaceveh_d).vehicletype) {
case VEH_Train: {
EngineID i;
railtype = _railtype_selected_in_replace_gui;
RailType railtype = _railtype_selected_in_replace_gui;
w->widget[13].color = _player_colors[_local_player]; // sets the colour of that art thing
w->widget[16].color = _player_colors[_local_player]; // sets the colour of that art thing
for (i = 0; i < NUM_TRAIN_ENGINES; i++) {
EngineID engine_id = GetRailVehAtPosition(i);
const Engine *e = GetEngine(engine_id);
const EngineInfo *info = &_engine_info[engine_id];
EngineID eid = GetRailVehAtPosition(i);
const Engine* e = GetEngine(eid);
const EngineInfo* info = &_engine_info[eid];
if (ENGINE_AVAILABLE && ((RailVehInfo(engine_id)->power && WP(w, replaceveh_d).wagon_btnstate) || (!RailVehInfo(engine_id)->power && !WP(w, replaceveh_d).wagon_btnstate)) && e->railtype == railtype) {
if (_player_num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
if (sel[0] == 0) selected_id[0] = engine_id;
if (ENGINE_AVAILABLE && (
(RailVehInfo(eid)->power != 0 && WP(w, replaceveh_d).wagon_btnstate) ||
(RailVehInfo(eid)->power == 0 && !WP(w, replaceveh_d).wagon_btnstate)
) &&
e->railtype == railtype) {
if (_player_num_engines[eid] > 0 || EngineHasReplacementForPlayer(p, eid)) {
if (sel[0] == 0) selected_id[0] = eid;
count++;
sel[0]--;
}
if (HASBIT(e->player_avail, _local_player)) {
if (sel[1] == 0) selected_id[1] = engine_id;
if (sel[1] == 0) selected_id[1] = eid;
count2++;
sel[1]--;
}
@ -537,98 +540,84 @@ static void SetupScrollStuffForReplaceWindow(Window *w)
}
break;
}
case VEH_Road: {
int num = NUM_ROAD_ENGINES;
const Engine* e = GetEngine(ROAD_ENGINES_INDEX);
byte cargo;
engine_id = ROAD_ENGINES_INDEX;
do {
if (_player_num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
if (sel[0] == 0) selected_id[0] = engine_id;
case VEH_Road: {
for (i = ROAD_ENGINES_INDEX; i < ROAD_ENGINES_INDEX + NUM_ROAD_ENGINES; i++) {
if (_player_num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
if (sel[0] == 0) selected_id[0] = i;
count++;
sel[0]--;
}
} while (++engine_id,++e,--num);
}
if (selected_id[0] != INVALID_ENGINE) { // only draw right array if we have anything in the left one
num = NUM_ROAD_ENGINES;
engine_id = ROAD_ENGINES_INDEX;
e = GetEngine(ROAD_ENGINES_INDEX);
cargo = RoadVehInfo(selected_id[0])->cargo_type;
CargoID cargo = RoadVehInfo(selected_id[0])->cargo_type;
do {
if (cargo == RoadVehInfo(engine_id)->cargo_type && HASBIT(e->player_avail, _local_player)) {
for (i = ROAD_ENGINES_INDEX; i < ROAD_ENGINES_INDEX + NUM_ROAD_ENGINES; i++) {
const Engine* e = GetEngine(i);
if (cargo == RoadVehInfo(i)->cargo_type && HASBIT(e->player_avail, _local_player)) {
count2++;
if (sel[1] == 0) selected_id[1] = engine_id;
if (sel[1] == 0) selected_id[1] = i;
sel[1]--;
}
} while (++engine_id,++e,--num);
}
}
break;
}
case VEH_Ship: {
int num = NUM_SHIP_ENGINES;
const Engine* e = GetEngine(SHIP_ENGINES_INDEX);
byte cargo, refittable;
engine_id = SHIP_ENGINES_INDEX;
do {
if (_player_num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
if (sel[0] == 0) selected_id[0] = engine_id;
for (i = SHIP_ENGINES_INDEX; i < SHIP_ENGINES_INDEX + NUM_SHIP_ENGINES; i++) {
if (_player_num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
if (sel[0] == 0) selected_id[0] = i;
count++;
sel[0]--;
}
} while (++engine_id,++e,--num);
}
if (selected_id[0] != INVALID_ENGINE) {
num = NUM_SHIP_ENGINES;
e = GetEngine(SHIP_ENGINES_INDEX);
engine_id = SHIP_ENGINES_INDEX;
cargo = ShipVehInfo(selected_id[0])->cargo_type;
refittable = ShipVehInfo(selected_id[0])->refittable;
byte cargo = ShipVehInfo(selected_id[0])->cargo_type;
byte refittable = ShipVehInfo(selected_id[0])->refittable;
do {
if (HASBIT(e->player_avail, _local_player) &&
(cargo == ShipVehInfo(engine_id)->cargo_type || refittable & ShipVehInfo(engine_id)->refittable)) {
if (sel[1] == 0) selected_id[1] = engine_id;
for (i = SHIP_ENGINES_INDEX; i < SHIP_ENGINES_INDEX + NUM_SHIP_ENGINES; i++) {
const Engine* e = GetEngine(i);
if (HASBIT(e->player_avail, _local_player) && (
ShipVehInfo(i)->cargo_type == cargo ||
ShipVehInfo(i)->refittable & refittable
)) {
if (sel[1] == 0) selected_id[1] = i;
sel[1]--;
count2++;
}
} while (++engine_id,++e,--num);
}
}
break;
} //end of ship
}
case VEH_Aircraft:{
int num = NUM_AIRCRAFT_ENGINES;
byte subtype;
const Engine* e = GetEngine(AIRCRAFT_ENGINES_INDEX);
engine_id = AIRCRAFT_ENGINES_INDEX;
do {
if (_player_num_engines[engine_id] > 0 || EngineHasReplacementForPlayer(p, engine_id)) {
case VEH_Aircraft: {
for (i = AIRCRAFT_ENGINES_INDEX; i < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; i++) {
if (_player_num_engines[i] > 0 || EngineHasReplacementForPlayer(p, i)) {
count++;
if (sel[0] == 0) selected_id[0] = engine_id;
if (sel[0] == 0) selected_id[0] = i;
sel[0]--;
}
} while (++engine_id,++e,--num);
}
if (selected_id[0] != INVALID_ENGINE) {
num = NUM_AIRCRAFT_ENGINES;
e = GetEngine(AIRCRAFT_ENGINES_INDEX);
subtype = AircraftVehInfo(selected_id[0])->subtype;
engine_id = AIRCRAFT_ENGINES_INDEX;
do {
byte subtype = AircraftVehInfo(selected_id[0])->subtype;
for (i = AIRCRAFT_ENGINES_INDEX; i < AIRCRAFT_ENGINES_INDEX + NUM_AIRCRAFT_ENGINES; i++) {
const Engine* e = GetEngine(i);
if (HASBIT(e->player_avail, _local_player)) {
if (HASBIT(subtype, 0) == HASBIT(AircraftVehInfo(engine_id)->subtype, 0)) {
if (HASBIT(subtype, 0) == HASBIT(AircraftVehInfo(i)->subtype, 0)) {
count2++;
if (sel[1] == 0) selected_id[1] = engine_id;
if (sel[1] == 0) selected_id[1] = i;
sel[1]--;
}
}
} while (++engine_id,++e,--num);
}
}
break;
}