/**
* Gets the average distance between current team members, and set the
* position of the team to the average position.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The average distance.
*/
uint16 Script_Team_GetAverageDistance(ScriptEngine *script)
{
uint16 averageX = 0;
uint16 averageY = 0;
uint16 count = 0;
uint16 distance = 0;
Team *t;
PoolFindStruct find;
VARIABLE_NOT_USED(script);
t = g_scriptCurrentTeam;
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
u = Unit_Find(&find);
if (u == NULL) break;
if (t->index != u->team - 1) continue;
count++;
averageX += (u->o.position.x >> 8) & 0x3f;
averageY += (u->o.position.y >> 8) & 0x3f;
}
if (count == 0) return 0;
averageX /= count;
averageY /= count;
t->position = Tile_MakeXY(averageX, averageY);
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
u = Unit_Find(&find);
if (u == NULL) break;
if (t->index != u->team - 1) continue;
distance += Tile_GetDistanceRoundedUp(u->o.position, t->position);
}
distance /= count;
if (t->target == 0 || t->targetTile == 0) return distance;
if (Tile_GetDistancePacked(Tile_PackXY(averageX, averageY), Tools_Index_GetPackedTile(t->target)) <= 10) t->targetTile = 2;
return distance;
}
/**
* Gets the best target for the current team.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The encoded index of the best target or 0 if none found.
*/
uint16 Script_Team_FindBestTarget(ScriptEngine *script)
{
Team *t;
PoolFindStruct find;
VARIABLE_NOT_USED(script);
t = g_scriptCurrentTeam;
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
uint16 target;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->team - 1 != t->index) continue;
target = Unit_FindBestTargetEncoded(u, t->action == TEAM_ACTION_KAMIKAZE ? 4 : 0);
if (target == 0) continue;
if (t->target == target) return target;
t->target = target;
t->targetTile = Tile_GetTileInDirectionOf(Tile_PackTile(u->o.position), Tools_Index_GetPackedTile(target));
return target;
}
return 0;
}
/**
* Unknown function 0788.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The value 0. Always.
*/
uint16 Script_Team_Unknown0788(ScriptEngine *script)
{
Team *t;
tile32 tile;
PoolFindStruct find;
VARIABLE_NOT_USED(script);
t = g_scriptCurrentTeam;
if (t->target == 0) return 0;
tile = Tools_Index_GetTile(t->target);
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
uint16 distance;
uint16 packed;
int16 orientation;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->team - 1 != t->index) continue;
if (t->target == 0) {
Unit_SetAction(u, ACTION_GUARD);
continue;
}
distance = g_table_unitInfo[u->o.type].fireDistance << 8;
if (u->actionID == ACTION_ATTACK && u->targetAttack == t->target) {
if (u->targetMove != 0) continue;
if (Tile_GetDistance(u->o.position, tile) >= distance) continue;
}
if (u->actionID != ACTION_ATTACK) Unit_SetAction(u, ACTION_ATTACK);
orientation = (Tile_GetDirection(tile, u->o.position) & 0xC0) + Tools_RandomLCG_Range(0, 127);
if (orientation < 0) orientation += 256;
packed = Tile_PackTile(Tile_MoveByDirection(tile, orientation, distance));
if (Object_GetByPackedTile(packed) == NULL) {
Unit_SetDestination(u, Tools_Index_Encode(packed, IT_TILE));
} else {
Unit_SetDestination(u, Tools_Index_Encode(Tile_PackTile(tile), IT_TILE));
}
Unit_SetTarget(u, t->target);
}
return 0;
}
/**
* Tries to add the closest unit to the current team.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The amount of space left in current team.
*/
uint16 Script_Team_AddClosestUnit(ScriptEngine *script)
{
Team *t;
Unit *closest = NULL;
Unit *closest2 = NULL;
uint16 minDistance = 0;
uint16 minDistance2 = 0;
PoolFindStruct find;
VARIABLE_NOT_USED(script);
t = g_scriptCurrentTeam;
if (t->members >= t->maxMembers) return 0;
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
Team *t2;
uint16 distance;
u = Unit_Find(&find);
if (u == NULL) break;
if (!u->o.flags.s.byScenario) continue;
if (u->o.type == UNIT_SABOTEUR) continue;
if (g_table_unitInfo[u->o.type].movementType != t->movementType) continue;
if (u->team == 0) {
distance = Tile_GetDistance(t->position, u->o.position);
if (distance >= minDistance && minDistance != 0) continue;
minDistance = distance;
closest = u;
continue;
}
t2 = Team_Get_ByIndex(u->team - 1);
if (t2->members > t2->minMembers) continue;
distance = Tile_GetDistance(t->position, u->o.position);
if (distance >= minDistance2 && minDistance2 != 0) continue;
minDistance2 = distance;
closest2 = u;
}
if (closest == NULL) closest = closest2;
if (closest == NULL) return 0;
Unit_RemoveFromTeam(closest);
return Unit_AddToTeam(closest, t);
}
/**
* Unknown function 0543.
*
* Stack: 1 - A distance.
*
* @param script The script engine to operate on.
* @return The number of moving units.
*/
uint16 Script_Team_Unknown0543(ScriptEngine *script)
{
Team *t;
uint16 count = 0;
uint16 distance;
PoolFindStruct find;
t = g_scriptCurrentTeam;
distance = STACK_PEEK(1);
find.houseID = t->houseID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
tile32 tile;
uint16 distanceUnitDest;
uint16 distanceUnitTeam;
uint16 distanceTeamDest;
u = Unit_Find(&find);
if (u == NULL) break;
if (t->index != u->team - 1) continue;
tile = Tools_Index_GetTile(u->targetMove);
distanceUnitTeam = Tile_GetDistanceRoundedUp(u->o.position, t->position);
if (u->targetMove != 0) {
distanceUnitDest = Tile_GetDistanceRoundedUp(u->o.position, tile);
distanceTeamDest = Tile_GetDistanceRoundedUp(t->position, tile);
} else {
distanceUnitDest = 64;
distanceTeamDest = 64;
}
if ((distanceUnitDest < distanceTeamDest && (distance + 2) < distanceUnitTeam) || (distanceUnitDest >= distanceTeamDest && distanceUnitTeam > distance)) {
Unit_SetAction(u, ACTION_MOVE);
tile = Tile_MoveByRandom(t->position, distance << 4, true);
Unit_SetDestination(u, Tools_Index_Encode(Tile_PackTile(tile), IT_TILE));
count++;
continue;
}
Unit_SetAction(u, ACTION_GUARD);
}
return count;
}
/**
* Gives a harvester to the given house if it has a refinery and no harvesters.
*
* @param houseID The index of the house to give a harvester to.
*/
void House_EnsureHarvesterAvailable(uint8 houseID)
{
PoolFindStruct find;
Structure *s;
find.houseID = houseID;
find.type = 0xFFFF;
find.index = 0xFFFF;
while (true) {
s = Structure_Find(&find);
if (s == NULL) break;
/* ENHANCEMENT -- Dune2 checked the wrong type to skip. LinkedID is a structure for a Construction Yard */
if (!g_dune2_enhanced && s->o.type == STRUCTURE_HEAVY_VEHICLE) continue;
if (g_dune2_enhanced && s->o.type == STRUCTURE_CONSTRUCTION_YARD) continue;
if (s->o.linkedID == UNIT_INVALID) continue;
if (Unit_Get_ByIndex(s->o.linkedID)->o.type == UNIT_HARVESTER) return;
}
find.houseID = houseID;
find.type = UNIT_CARRYALL;
find.index = 0xFFFF;
while (true) {
Unit *u;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->o.linkedID == UNIT_INVALID) continue;
if (Unit_Get_ByIndex(u->o.linkedID)->o.type == UNIT_HARVESTER) return;
}
if (Unit_IsTypeOnMap(houseID, UNIT_HARVESTER)) return;
find.houseID = houseID;
find.type = STRUCTURE_REFINERY;
find.index = 0xFFFF;
s = Structure_Find(&find);
if (s == NULL) return;
if (Unit_CreateWrapper(houseID, UNIT_HARVESTER, Tools_Index_Encode(s->o.index, IT_STRUCTURE)) == NULL) return;
if (houseID != g_playerHouseID) return;
GUI_DisplayText(String_Get_ByIndex(STR_HARVESTER_IS_HEADING_TO_REFINERY), 0);
}
/**
* Find a Unit which is within range and not an ally.
*
* Stack: 1 - Range to find a target in (amount of tiles multiplied with 256).
*
* @param script The script engine to operate on.
* @return The Unit Index of the closest unit within range and not friendly,
* or 0 if none exists.
*/
uint16 Script_Structure_FindTargetUnit(ScriptEngine *script)
{
PoolFindStruct find;
Structure *s;
Unit *u;
uint32 distanceCurrent;
uint32 targetRange;
s = g_scriptCurrentStructure;
targetRange = STACK_PEEK(1);
distanceCurrent = 32000;
u = NULL;
find.houseID = HOUSE_INVALID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
uint16 distance;
Unit *uf;
uf = Unit_Find(&find);
if (uf == NULL) break;
if (House_AreAllied(s->o.houseID, uf->o.houseID)) continue;
if (uf->o.type != UNIT_ORNITHOPTER) {
if ((uf->o.seenByHouses & (1 << s->o.houseID)) == 0) continue;
}
distance = Tile_GetDistance(uf->o.position, s->o.position);
if (distance >= distanceCurrent) continue;
if (uf->o.type == UNIT_ORNITHOPTER) {
if (distance >= targetRange * 3) continue;
} else {
if (distance >= targetRange) continue;
}
/* ENHANCEMENT -- The original code swapped the assignment, making it do nothing, Now it finds the closest unit to shoot at, what seems to be the intention */
if (g_dune2_enhanced) distanceCurrent = distance;
u = uf;
}
if (u == NULL) return IT_NONE;
return Tools_Index_Encode(u->o.index, IT_UNIT);
}
/**
* Prepare the map (after loading scenario or savegame). Does some basic
* sanity-check and corrects stuff all over the place.
*/
void Game_Prepare(void)
{
PoolFindStruct find;
uint16 oldSelectionType;
Tile *t;
int i;
g_validateStrictIfZero++;
oldSelectionType = g_selectionType;
g_selectionType = SELECTIONTYPE_MENTAT;
Structure_Recount();
Unit_Recount();
Team_Recount();
t = &g_map[0];
for (i = 0; i < 64 * 64; i++, t++) {
Structure *s;
Unit *u;
u = Unit_Get_ByPackedTile(i);
s = Structure_Get_ByPackedTile(i);
if (u == NULL || !u->o.flags.s.used) t->hasUnit = false;
if (s == NULL || !s->o.flags.s.used) t->hasStructure = false;
if (t->isUnveiled) Map_UnveilTile(i, g_playerHouseID);
}
find.houseID = HOUSE_INVALID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Unit *u;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->o.flags.s.isNotOnMap) continue;
Unit_RemoveFog(u);
Unit_UpdateMap(1, u);
}
find.houseID = HOUSE_INVALID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
Structure *s;
s = Structure_Find(&find);
if (s == NULL) break;
if (s->o.type == STRUCTURE_SLAB_1x1 || s->o.type == STRUCTURE_SLAB_2x2 || s->o.type == STRUCTURE_WALL) continue;
if (s->o.flags.s.isNotOnMap) continue;
Structure_RemoveFog(s);
if (s->o.type == STRUCTURE_STARPORT && s->o.linkedID != 0xFF) {
Unit *u = Unit_Get_ByIndex(s->o.linkedID);
if (!u->o.flags.s.used || !u->o.flags.s.isNotOnMap) {
s->o.linkedID = 0xFF;
s->countDown = 0;
} else {
Structure_SetState(s, STRUCTURE_STATE_READY);
}
}
Script_Load(&s->o.script, s->o.type);
if (s->o.type == STRUCTURE_PALACE) {
House_Get_ByIndex(s->o.houseID)->palacePosition = s->o.position;
}
if ((House_Get_ByIndex(s->o.houseID)->palacePosition.x != 0) || (House_Get_ByIndex(s->o.houseID)->palacePosition.y != 0)) continue;
House_Get_ByIndex(s->o.houseID)->palacePosition = s->o.position;
}
find.houseID = HOUSE_INVALID;
find.index = 0xFFFF;
find.type = 0xFFFF;
while (true) {
House *h;
h = House_Find(&find);
if (h == NULL) break;
h->structuresBuilt = Structure_GetStructuresBuilt(h);
House_UpdateCreditsStorage((uint8)h->index);
House_CalculatePowerAndCredit(h);
}
GUI_Palette_CreateRemap(g_playerHouseID);
Map_SetSelection(g_selectionPosition);
if (g_structureActiveType != 0xFFFF) {
Map_SetSelectionSize(g_table_structureInfo[g_structureActiveType].layout);
} else {
Structure *s = Structure_Get_ByPackedTile(g_selectionPosition);
if (s != NULL) Map_SetSelectionSize(g_table_structureInfo[s->o.type].layout);
}
Voice_LoadVoices(g_playerHouseID);
g_tickHousePowerMaintenance = max(g_timerGame + 70, g_tickHousePowerMaintenance);
g_viewport_forceRedraw = true;
g_playerCredits = 0xFFFF;
g_selectionType = oldSelectionType;
g_validateStrictIfZero--;
}
/**
* Redraw parts of the viewport that require redrawing.
*
* @param forceRedraw If true, dirty flags are ignored, and everything is drawn.
* @param arg08 ??
* @param drawToMainScreen True if and only if we are drawing to the main screen and not some buffer screen.
*/
void GUI_Widget_Viewport_Draw(bool forceRedraw, bool arg08, bool drawToMainScreen)
{
static const uint16 values_32A4[8][2] = {
{0, 0}, {1, 0}, {2, 0}, {3, 0},
{4, 0}, {3, 1}, {2, 1}, {1, 1}
};
uint16 x;
uint16 y;
uint16 i;
uint16 curPos;
bool updateDisplay;
Screen oldScreenID;
uint16 oldValue_07AE_0000;
int16 minX[10];
int16 maxX[10];
PoolFindStruct find;
updateDisplay = forceRedraw;
memset(minX, 0xF, sizeof(minX));
memset(maxX, 0, sizeof(minX));
oldScreenID = GFX_Screen_SetActive(SCREEN_1);
oldValue_07AE_0000 = Widget_SetCurrentWidget(2);
if (g_dirtyViewportCount != 0 || forceRedraw) {
for (y = 0; y < 10; y++) {
uint16 top = (y << 4) + 0x28;
for (x = 0; x < (drawToMainScreen ? 15 : 16); x++) {
Tile *t;
uint16 left;
curPos = g_viewportPosition + Tile_PackXY(x, y);
if (x < 15 && !forceRedraw && BitArray_Test(g_dirtyViewport, curPos)) {
if (maxX[y] < x) maxX[y] = x;
if (minX[y] > x) minX[y] = x;
updateDisplay = true;
}
if (!BitArray_Test(g_dirtyMinimap, curPos) && !forceRedraw) continue;
BitArray_Set(g_dirtyViewport, curPos);
if (x < 15) {
updateDisplay = true;
if (maxX[y] < x) maxX[y] = x;
if (minX[y] > x) minX[y] = x;
}
t = &g_map[curPos];
left = x << 4;
if (!g_debugScenario && g_veiledSpriteID == t->overlaySpriteID) {
GUI_DrawFilledRectangle(left, top, left + 15, top + 15, 12);
continue;
}
GFX_DrawSprite(t->groundSpriteID, left, top, t->houseID);
if (t->overlaySpriteID == 0 || g_debugScenario) continue;
GFX_DrawSprite(t->overlaySpriteID, left, top, t->houseID);
}
}
g_dirtyViewportCount = 0;
}
find.type = UNIT_SANDWORM;
find.index = 0xFFFF;
find.houseID = HOUSE_INVALID;
while (true) {
Unit *u;
uint8 *sprite;
u = Unit_Find(&find);
if (u == NULL) break;
if (!u->o.flags.s.isDirty && !forceRedraw) continue;
u->o.flags.s.isDirty = false;
if (!g_map[Tile_PackTile(u->o.position)].isUnveiled && !g_debugScenario) continue;
sprite = GUI_Widget_Viewport_Draw_GetSprite(g_table_unitInfo[u->o.type].groundSpriteID, Unit_GetHouseID(u));
s_spriteFlags = 0x200;
if (Map_IsPositionInViewport(u->o.position, &x, &y)) GUI_DrawSprite(g_screenActiveID, sprite, x, y, 2, s_spriteFlags | 0xC000);
if (Map_IsPositionInViewport(u->targetLast, &x, &y)) GUI_DrawSprite(g_screenActiveID, sprite, x, y, 2, s_spriteFlags | 0xC000);
if (Map_IsPositionInViewport(u->targetPreLast, &x, &y)) GUI_DrawSprite(g_screenActiveID, sprite, x, y, 2, s_spriteFlags | 0xC000);
if (u != g_unitSelected) continue;
if (!Map_IsPositionInViewport(u->o.position, &x, &y)) continue;
GUI_DrawSprite(g_screenActiveID, g_sprites[6], x, y, 2, 0xC000);
}
if (g_unitSelected == NULL && (g_var_3A08 != 0 || arg08) && (Structure_Get_ByPackedTile(g_selectionRectanglePosition) != NULL || g_selectionType == SELECTIONTYPE_PLACE || g_debugScenario)) {
uint16 x1 = (Tile_GetPackedX(g_selectionRectanglePosition) - Tile_GetPackedX(g_minimapPosition)) << 4;
uint16 y1 = ((Tile_GetPackedY(g_selectionRectanglePosition) - Tile_GetPackedY(g_minimapPosition)) << 4) + 0x28;
uint16 x2 = x1 + (g_selectionWidth << 4) - 1;
uint16 y2 = y1 + (g_selectionHeight << 4) - 1;
GUI_SetClippingArea(0, 40, 239, SCREEN_HEIGHT - 1);
GUI_DrawWiredRectangle(x1, y1, x2, y2, 0xFF);
if (g_selectionState == 0 && g_selectionType == SELECTIONTYPE_PLACE) {
GUI_DrawLine(x1, y1, x2, y2, 0xFF);
GUI_DrawLine(x2, y1, x1, y2, 0xFF);
}
GUI_SetClippingArea(0, 0, SCREEN_WIDTH - 1, SCREEN_HEIGHT - 1);
g_var_3A08 = 0;
}
if (g_dirtyUnitCount != 0 || forceRedraw || updateDisplay) {
find.type = 0xFFFF;
find.index = 0xFFFF;
find.houseID = HOUSE_INVALID;
while (true) {
Unit *u;
UnitInfo *ui;
uint16 packed;
uint8 orientation;
uint16 index;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->o.index < 20 || u->o.index > 101) continue;
packed = Tile_PackTile(u->o.position);
if ((!u->o.flags.s.isDirty || u->o.flags.s.isNotOnMap) && !forceRedraw && !BitArray_Test(g_dirtyViewport, packed)) continue;
u->o.flags.s.isDirty = false;
if (!g_map[packed].isUnveiled && !g_debugScenario) continue;
ui = &g_table_unitInfo[u->o.type];
if (!Map_IsPositionInViewport(u->o.position, &x, &y)) continue;
x += g_table_tilediff[0][u->wobbleIndex].x;
y += g_table_tilediff[0][u->wobbleIndex].y;
orientation = Orientation_Orientation256ToOrientation8(u->orientation[0].current);
if (u->spriteOffset >= 0 || ui->destroyedSpriteID == 0) {
static const uint16 values_32C4[8][2] = {
{0, 0}, {1, 0}, {1, 0}, {1, 0},
{2, 0}, {1, 1}, {1, 1}, {1, 1}
};
index = ui->groundSpriteID;
switch (ui->displayMode) {
case DISPLAYMODE_UNIT:
case DISPLAYMODE_ROCKET:
if (ui->movementType == MOVEMENT_SLITHER) break;
index += values_32A4[orientation][0];
s_spriteFlags = values_32A4[orientation][1];
break;
case DISPLAYMODE_INFANTRY_3_FRAMES: {
static const uint16 values_334A[4] = {0, 1, 0, 2};
index += values_32C4[orientation][0] * 3;
index += values_334A[u->spriteOffset & 3];
s_spriteFlags = values_32C4[orientation][1];
} break;
case DISPLAYMODE_INFANTRY_4_FRAMES:
index += values_32C4[orientation][0] * 4;
index += u->spriteOffset & 3;
s_spriteFlags = values_32C4[orientation][1];
break;
default:
s_spriteFlags = 0;
break;
}
} else {
index = ui->destroyedSpriteID - u->spriteOffset - 1;
s_spriteFlags = 0;
}
if (u->o.type != UNIT_SANDWORM && u->o.flags.s.isHighlighted) s_spriteFlags |= 0x100;
if (ui->o.flags.blurTile) s_spriteFlags |= 0x200;
GUI_DrawSprite(g_screenActiveID, GUI_Widget_Viewport_Draw_GetSprite(index, (u->deviated != 0) ? u->deviatedHouse : Unit_GetHouseID(u)), x, y, 2, s_spriteFlags | 0xE000, s_paletteHouse, g_paletteMapping2, 1);
if (u->o.type == UNIT_HARVESTER && u->actionID == ACTION_HARVEST && u->spriteOffset >= 0 && (u->actionID == ACTION_HARVEST || u->actionID == ACTION_MOVE)) {
uint16 type = Map_GetLandscapeType(packed);
if (type == LST_SPICE || type == LST_THICK_SPICE) {
static const int16 values_334E[8][2] = {
{0, 7}, {-7, 6}, {-14, 1}, {-9, -6},
{0, -9}, { 9, -6}, { 14, 1}, { 7, 6}
};
GUI_DrawSprite(g_screenActiveID, GUI_Widget_Viewport_Draw_GetSprite((u->spriteOffset % 3) + 0xDF + (values_32A4[orientation][0] * 3), Unit_GetHouseID(u)), x + values_334E[orientation][0], y + values_334E[orientation][1], 2, values_32A4[orientation][1] | 0xC000);
}
}
if (u->spriteOffset >= 0 && ui->turretSpriteID != 0xFFFF) {
int16 offsetX = 0;
int16 offsetY = 0;
uint16 spriteID = ui->turretSpriteID;
orientation = Orientation_Orientation256ToOrientation8(u->orientation[ui->o.flags.hasTurret ? 1 : 0].current);
switch (ui->turretSpriteID) {
case 0x8D: /* sonic tank */
offsetY = -2;
break;
case 0x92: /* rocket launcher */
offsetY = -3;
break;
case 0x7E: { /* siege tank */
static const int16 values_336E[8][2] = {
{ 0, -5}, { 0, -5}, { 2, -3}, { 2, -1},
{-1, -3}, {-2, -1}, {-2, -3}, {-1, -5}
};
offsetX = values_336E[orientation][0];
offsetY = values_336E[orientation][1];
} break;
case 0x88: { /* devastator */
static const int16 values_338E[8][2] = {
{ 0, -4}, {-1, -3}, { 2, -4}, {0, -3},
{-1, -3}, { 0, -3}, {-2, -4}, {1, -3}
};
offsetX = values_338E[orientation][0];
offsetY = values_338E[orientation][1];
} break;
default:
break;
}
s_spriteFlags = values_32A4[orientation][1];
spriteID += values_32A4[orientation][0];
GUI_DrawSprite(g_screenActiveID, GUI_Widget_Viewport_Draw_GetSprite(spriteID, Unit_GetHouseID(u)), x + offsetX, y + offsetY, 2, s_spriteFlags | 0xE000, s_paletteHouse);
}
if (u->o.flags.s.isSmoking) {
uint16 spriteID = 180 + (u->spriteOffset & 3);
if (spriteID == 183) spriteID = 181;
GUI_DrawSprite(g_screenActiveID, g_sprites[spriteID], x, y - 14, 2, 0xC000);
}
if (u != g_unitSelected) continue;
GUI_DrawSprite(g_screenActiveID, g_sprites[6], x, y, 2, 0xC000);
}
g_dirtyUnitCount = 0;
}
for (i = 0; i < EXPLOSION_MAX; i++) {
Explosion *e = Explosion_Get_ByIndex(i);
curPos = Tile_PackTile(e->position);
if (BitArray_Test(g_dirtyViewport, curPos)) e->isDirty = true;
if (e->commands == NULL) continue;
if (!e->isDirty && !forceRedraw) continue;
if (e->spriteID == 0) continue;
e->isDirty = false;
if (!g_map[curPos].isUnveiled && !g_debugScenario) continue;
if (!Map_IsPositionInViewport(e->position, &x, &y)) continue;
s_spriteFlags = 0xC000;
GUI_DrawSprite(g_screenActiveID, GUI_Widget_Viewport_Draw_GetSprite(e->spriteID, e->houseID), x, y, 2, s_spriteFlags, s_paletteHouse);
}
if (g_dirtyAirUnitCount != 0 || forceRedraw || updateDisplay) {
find.type = 0xFFFF;
find.index = 0xFFFF;
find.houseID = HOUSE_INVALID;
while (true) {
static const uint16 values_32E4[8][2] = {
{0, 0}, {1, 0}, {2, 0}, {1, 2},
{0, 2}, {1, 3}, {2, 1}, {1, 1}
};
Unit *u;
UnitInfo *ui;
uint8 orientation;
uint8 *sprite;
uint16 index;
u = Unit_Find(&find);
if (u == NULL) break;
if (u->o.index > 15) continue;
curPos = Tile_PackTile(u->o.position);
if ((!u->o.flags.s.isDirty || u->o.flags.s.isNotOnMap) && !forceRedraw && !BitArray_Test(g_dirtyViewport, curPos)) continue;
u->o.flags.s.isDirty = false;
if (!g_map[curPos].isUnveiled && !g_debugScenario) continue;
ui = &g_table_unitInfo[u->o.type];
if (!Map_IsPositionInViewport(u->o.position, &x, &y)) continue;
index = ui->groundSpriteID;
orientation = u->orientation[0].current;
s_spriteFlags = 0xC000;
switch (ui->displayMode) {
case DISPLAYMODE_SINGLE_FRAME:
if (u->o.flags.s.bulletIsBig) index++;
break;
case DISPLAYMODE_UNIT:
orientation = Orientation_Orientation256ToOrientation8(orientation);
index += values_32E4[orientation][0];
s_spriteFlags |= values_32E4[orientation][1];
break;
case DISPLAYMODE_ROCKET: {
static const uint16 values_3304[16][2] = {
{0, 0}, {1, 0}, {2, 0}, {3, 0},
{4, 0}, {3, 2}, {2, 2}, {1, 2},
{0, 2}, {3, 3}, {2, 3}, {3, 3},
{4, 1}, {3, 1}, {2, 1}, {1, 1}
};
orientation = Orientation_Orientation256ToOrientation16(orientation);
index += values_3304[orientation][0];
s_spriteFlags |= values_3304[orientation][1];
} break;
case DISPLAYMODE_ORNITHOPTER: {
static const uint16 values_33AE[4] = {2, 1, 0, 1};
orientation = Orientation_Orientation256ToOrientation8(orientation);
index += (values_32E4[orientation][0] * 3) + values_33AE[u->spriteOffset & 3];
s_spriteFlags |= values_32E4[orientation][1];
} break;
default:
s_spriteFlags = 0x0;
break;
}
if (ui->flags.hasAnimationSet && u->o.flags.s.animationFlip) index += 5;
if (u->o.type == UNIT_CARRYALL && u->o.flags.s.inTransport) index += 3;
sprite = GUI_Widget_Viewport_Draw_GetSprite(index, Unit_GetHouseID(u));
if (ui->o.flags.hasShadow) GUI_DrawSprite(g_screenActiveID, sprite, x + 1, y + 3, 2, (s_spriteFlags & 0xDFFF) | 0x300, g_paletteMapping1, 1);
if (ui->o.flags.blurTile) s_spriteFlags |= 0x200;
GUI_DrawSprite(g_screenActiveID, sprite, x, y, 2, s_spriteFlags | 0x2000, s_paletteHouse);
}
g_dirtyAirUnitCount = 0;
}
if (updateDisplay) {
memset(g_dirtyMinimap, 0, sizeof(g_dirtyMinimap));
memset(g_dirtyViewport, 0, sizeof(g_dirtyViewport));
}
if (g_changedTilesCount != 0) {
bool init = false;
bool update = false;
Screen oldScreenID2 = SCREEN_1;
for (i = 0; i < g_changedTilesCount; i++) {
curPos = g_changedTiles[i];
BitArray_Clear(g_changedTilesMap, curPos);
if (!init) {
init = true;
oldScreenID2 = GFX_Screen_SetActive(SCREEN_1);
GUI_Mouse_Hide_InWidget(3);
}
GUI_Widget_Viewport_DrawTile(curPos);
if (!update && BitArray_Test(g_displayedMinimap, curPos)) update = true;
}
if (update) Map_UpdateMinimapPosition(g_minimapPosition, true);
if (init) {
GUI_Screen_Copy(32, 136, 32, 136, 8, 64, g_screenActiveID, SCREEN_0);
GFX_Screen_SetActive(oldScreenID2);
GUI_Mouse_Show_InWidget();
}
if (g_changedTilesCount == lengthof(g_changedTiles)) {
g_changedTilesCount = 0;
for (i = 0; i < 4096; i++) {
if (!BitArray_Test(g_changedTilesMap, i)) continue;
g_changedTiles[g_changedTilesCount++] = i;
if (g_changedTilesCount == lengthof(g_changedTiles)) break;
}
} else {
g_changedTilesCount = 0;
}
}
if ((g_viewportMessageCounter & 1) != 0 && g_viewportMessageText != NULL && (minX[6] <= 14 || maxX[6] >= 0 || arg08 || forceRedraw)) {
GUI_DrawText_Wrapper(g_viewportMessageText, 112, 139, 15, 0, 0x132);
minX[6] = -1;
maxX[6] = 14;
}
if (updateDisplay && !drawToMainScreen) {
if (g_viewport_fadein) {
GUI_Mouse_Hide_InWidget(g_curWidgetIndex);
/* ENHANCEMENT -- When fading in the game on start, you don't see the fade as it is against the already drawn screen. */
if (g_dune2_enhanced) {
Screen oldScreenID2 = g_screenActiveID;
GFX_Screen_SetActive(SCREEN_0);
GUI_DrawFilledRectangle(g_curWidgetXBase << 3, g_curWidgetYBase, (g_curWidgetXBase + g_curWidgetWidth) << 3, g_curWidgetYBase + g_curWidgetHeight, 0);
GFX_Screen_SetActive(oldScreenID2);
}
GUI_Screen_FadeIn(g_curWidgetXBase, g_curWidgetYBase, g_curWidgetXBase, g_curWidgetYBase, g_curWidgetWidth, g_curWidgetHeight, g_screenActiveID, SCREEN_0);
GUI_Mouse_Show_InWidget();
g_viewport_fadein = false;
} else {
bool init = false;
for (i = 0; i < 10; i++) {
uint16 width;
uint16 height;
if (arg08) {
minX[i] = 0;
maxX[i] = 14;
}
if (maxX[i] < minX[i]) continue;
x = minX[i] * 2;
y = (i << 4) + 0x28;
width = (maxX[i] - minX[i] + 1) * 2;
height = 16;
if (!init) {
GUI_Mouse_Hide_InWidget(g_curWidgetIndex);
init = true;
}
GUI_Screen_Copy(x, y, x, y, width, height, g_screenActiveID, SCREEN_0);
}
if (init) GUI_Mouse_Show_InWidget();
}
}
GFX_Screen_SetActive(oldScreenID);
Widget_SetCurrentWidget(oldValue_07AE_0000);
}
/**
* Save the game to a filename
*
* @param fp The filename of the savegame.
* @param description The description of the savegame.
* @return True if and only if all bytes were written successful.
*/
bool SaveFile(char *filename, char *description)
{
FILE *fp;
char filenameComplete[1024];
bool res;
/* In debug-scenario mode, the whole map is uncovered. Cover it now in
* the savegame based on the current position of the units and
* structures. */
if (g_debugScenario) {
PoolFindStruct find;
uint16 i;
/* Add fog of war for all tiles on the map */
for (i = 0; i < 0x1000; i++) {
Tile *tile = &g_map[i];
tile->isUnveiled = false;
tile->overlaySpriteID = g_veiledSpriteID;
}
find.houseID = HOUSE_INVALID;
find.type = 0xFFFF;
find.index = 0xFFFF;
/* Remove the fog of war for all units */
while (true) {
Unit *u;
u = Unit_Find(&find);
if (u == NULL) break;
Unit_RemoveFog(u);
}
find.houseID = HOUSE_INVALID;
find.type = 0xFFFF;
find.index = 0xFFFF;
/* Remove the fog of war for all structures */
while (true) {
Structure *s;
s = Structure_Find(&find);
if (s == NULL) break;
Structure_RemoveFog(s);
}
}
snprintf(filenameComplete, sizeof(filenameComplete), "data/%s", filename);
fp = fopen(filenameComplete, "wb");
if (fp == NULL) {
Error("Failed to open file '%s' for writing.\n", filenameComplete);
return false;
}
g_var_38BC++;
res = Save_Main(fp, description);
g_var_38BC--;
fclose(fp);
if (!res) {
/* TODO -- Also remove the savegame now */
Error("Error while writing savegame.\n");
return false;
}
return true;
}
