/**
* Make the current unit harvest spice.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return ??.
*/
uint16 Script_Unit_Harvest(ScriptEngine *script)
{
Unit *u;
uint16 packed;
uint16 type;
VARIABLE_NOT_USED(script);
u = g_scriptCurrentUnit;
if (u->o.type != UNIT_HARVESTER) return 0;
if (u->amount >= 100) return 0;
packed = Tile_PackTile(u->o.position);
type = Map_GetLandscapeType(packed);
if (type != LST_SPICE && type != LST_THICK_SPICE) return 0;
u->amount += Tools_Random_256() & 1;
u->o.flags.s.inTransport = true;
Unit_UpdateMap(2, u);
if (u->amount > 100) u->amount = 100;
if ((Tools_Random_256() & 0x1F) != 0) return 1;
Map_ChangeSpiceAmount(packed, -1);
return 0;
}
static bool Skirmish_IsIslandEnclosed(int start, int end, const SkirmishData* sd)
{
const int dx[4] = {0, 1, 0, -1};
const int dy[4] = {-1, 0, 1, 0};
const uint16 islandID = sd->islandID[sd->buildable[start].packed];
for (int i = start; i < end; i++)
{
for (int j = 0; j < 4; j++)
{
const int x = sd->buildable[i].x + dx[j];
const int y = sd->buildable[i].y + dy[j];
if (!(Map_InRangeX(x) && Map_InRangeY(y)))
continue;
const uint16 packed = Tile_PackXY(x, y);
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
if (sd->islandID[packed] == islandID)
continue;
if (!(lst == LST_ENTIRELY_MOUNTAIN || lst == LST_PARTIAL_MOUNTAIN || lst == LST_WALL || lst == LST_STRUCTURE))
return false;
}
}
return true;
}
/**
* Start the animation on the current tile.
*
* Stack: *none*.
*
* @param script The script engine to operate on.
* @return The value 1. Always.
*/
uint16 Script_Unit_StartAnimation(ScriptEngine *script)
{
Unit *u;
uint16 animationUnitID;
uint16 position;
VARIABLE_NOT_USED(script);
u = g_scriptCurrentUnit;
position = Tile_PackTile(Tile_Center(u->o.position));
Animation_Stop_ByTile(position);
animationUnitID = g_table_landscapeInfo[Map_GetLandscapeType(Tile_PackTile(u->o.position))].isSand ? 0 : 1;
if (u->o.script.variables[1] == 1) animationUnitID += 2;
g_map[position].houseID = Unit_GetHouseID(u);
assert(animationUnitID < 4);
if (g_table_unitInfo[u->o.type].displayMode == 3) {
Animation_Start(g_table_animation_unitScript1[animationUnitID], u->o.position, 0, Unit_GetHouseID(u), 4);
} else {
Animation_Start(g_table_animation_unitScript2[animationUnitID], u->o.position, 0, Unit_GetHouseID(u), 4);
}
return 1;
}
/**
* Handle damage to a tile, removing spice, removing concrete, stuff like that.
* @param e The Explosion to handle damage on.
* @param parameter Unused parameter.
*/
static void Explosion_Func_TileDamage(Explosion *e, uint16 parameter)
{
static const int16 craterIconMapIndex[] = { -1, 2, 1 };
uint16 packed;
uint16 type;
Tile *t;
int16 iconMapIndex;
uint16 overlaySpriteID;
uint16 *iconMap;
VARIABLE_NOT_USED(parameter);
packed = Tile_PackTile(e->position);
if (!Map_IsPositionUnveiled(packed)) return;
type = Map_GetLandscapeType(packed);
if (type == LST_STRUCTURE || type == LST_DESTROYED_WALL) return;
t = &g_map[packed];
if (type == LST_CONCRETE_SLAB) {
t->groundSpriteID = g_mapSpriteID[packed];
Map_Update(packed, 0, false);
}
if (g_table_landscapeInfo[type].craterType == 0) return;
/* You cannot damage veiled tiles */
overlaySpriteID = t->overlaySpriteID;
if (!Sprite_IsUnveiled(overlaySpriteID)) return;
iconMapIndex = craterIconMapIndex[g_table_landscapeInfo[type].craterType];
iconMap = &g_iconMap[g_iconMap[iconMapIndex]];
if (iconMap[0] <= overlaySpriteID && overlaySpriteID <= iconMap[10]) {
/* There already is a crater; make it bigger */
overlaySpriteID -= iconMap[0];
if (overlaySpriteID < 4) overlaySpriteID += 2;
} else {
/* Randomly pick 1 of the 2 possible craters */
overlaySpriteID = Tools_Random_256() & 1;
}
/* Reduce spice if there is any */
Map_ChangeSpiceAmount(packed, -1);
/* Boom a bloom if there is one */
if (t->groundSpriteID == g_bloomSpriteID) {
Map_Bloom_ExplodeSpice(packed, g_playerHouseID);
return;
}
/* Update the tile with the crater */
t->overlaySpriteID = overlaySpriteID + iconMap[0];
Map_Update(packed, 0, false);
}
/**
* Set the animation of a Explosion.
* @param e The Explosion to change.
* @param animationMapID The animation map to use.
*/
static void Explosion_Func_SetAnimation(Explosion *e, uint16 animationMapID)
{
uint16 packed;
packed = Tile_PackTile(e->position);
if (Structure_Get_ByPackedTile(packed) != NULL) return;
animationMapID += Tools_Random_256() & 0x1;
animationMapID += g_table_landscapeInfo[Map_GetLandscapeType(packed)].isSand ? 0 : 2;
assert(animationMapID < 16);
Animation_Start(g_table_animation_map[animationMapID], e->position, 0, e->houseID, 3);
}
static uint16 Skirmish_PickRandomLocation(uint16 acceptableLstFlags, uint16 unacceptableLstFlags)
{
const MapInfo* mi = &g_mapInfos[0];
const int x = mi->minX + Tools_RandomLCG_Range(0, mi->sizeX - 1);
const int y = mi->minY + Tools_RandomLCG_Range(0, mi->sizeY - 1);
const uint16 packed = Tile_PackXY(x, y);
if (g_map[packed].hasUnit)
return 0;
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
const uint16 lstFlag = (1 << lst);
if ((acceptableLstFlags & lstFlag) && !(unacceptableLstFlags & lstFlag))
return packed;
return 0;
}
static void Skirmish_GenUnitsAI(HouseType houseID)
{
const uint16 unacceptableLst = (1 << LST_WALL) | (1 << LST_STRUCTURE) | (1 << LST_BLOOM_FIELD);
Structure* factory[8] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
unsigned int nfactories = 0;
PoolFindStruct find;
find.houseID = houseID;
find.type = 0xFFFF;
find.index = STRUCTURE_INDEX_INVALID;
Structure* s;
while ((nfactories < lengthof(factory)) && ((s = Structure_Find(&find)) != NULL))
{
/* Do not produce from hi-tech. */
if (s->o.type == STRUCTURE_LIGHT_VEHICLE ||
s->o.type == STRUCTURE_HEAVY_VEHICLE ||
s->o.type == STRUCTURE_WOR_TROOPER ||
s->o.type == STRUCTURE_BARRACKS)
{
factory[nfactories] = s;
nfactories++;
}
}
if (nfactories == 0)
return;
for (int count = 8; count > 0;)
{
const uint16 packed = Skirmish_PickRandomLocation(0xFF, unacceptableLst);
if (packed == 0)
continue;
uint16 dist_ally;
uint16 dist_enemy;
Skirmish_FindClosestStructures(houseID, packed, &dist_ally, &dist_enemy);
if (dist_ally > 8)
continue;
/* If there's a mountain here, build infantry. */
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
UnitType type;
if (lst == LST_ENTIRELY_MOUNTAIN || lst == LST_PARTIAL_MOUNTAIN)
{
type = House_GetInfantrySquad(houseID);
}
/* Otherwise, build a random vehicle. */
else
{
const int r = Tools_RandomLCG_Range(0, nfactories - 1);
type = (UnitType)StructureAI_PickNextToBuild(factory[r]);
if (type == UNIT_INVALID)
continue;
}
const UnitActionType actionType = ((Tools_Random_256() & 0x3) == 0) ? ACTION_AMBUSH : ACTION_AREA_GUARD;
const tile32 position = Tile_UnpackTile(packed);
Scenario_Create_Unit(houseID, type, 256, position, 127, actionType);
count--;
}
}
static bool Skirmish_GenUnitsHuman(HouseType houseID, SkirmishData* sd)
{
const int delta[7] = {
0, -4, 4,
-MAP_SIZE_MAX * 3 - 2, -MAP_SIZE_MAX * 3 + 2,
MAP_SIZE_MAX * 3 - 2, MAP_SIZE_MAX * 3 + 2,
};
const MapInfo* mi = &g_mapInfos[0];
/* Pick a tile that is not too close to the edge, and not too
* close to the enemy.
*/
int r;
for (int attempts = 0; attempts < 100; attempts++)
{
const int island = Skirmish_PickRandomIsland(sd);
if (island < 0)
return false;
r = Tools_RandomLCG_Range(sd->island[island].start, sd->island[island].end - 1);
if (!(mi->minX + 4 <= sd->buildable[r].x && sd->buildable[r].x < mi->minX + mi->sizeX - 4))
continue;
if (!(mi->minY + 3 <= sd->buildable[r].y && sd->buildable[r].y < mi->minY + mi->sizeY - 3))
continue;
PoolFindStruct find;
find.houseID = HOUSE_INVALID;
find.type = 0xFFFF;
find.index = STRUCTURE_INDEX_INVALID;
Structure* s = Structure_Find(&find);
for (; s != NULL; s = Structure_Find(&find))
{
if (s->o.type == STRUCTURE_SLAB_1x1 || s->o.type == STRUCTURE_SLAB_2x2 || s->o.type == STRUCTURE_WALL)
continue;
if (House_AreAllied(g_playerHouseID, s->o.houseID))
continue;
const uint16 dist = Tile_GetDistancePacked(Tile_PackTile(s->o.position), sd->buildable[r].packed);
if (dist < 24)
break;
}
if (s == NULL)
{
break;
}
else
{
r = -1;
}
}
if (r < 0)
return false;
bool mcvPlaced = false;
for (int i = 0; i < 7; i++)
{
const uint16 packed = sd->buildable[r].packed + delta[i];
const tile32 position = Tile_UnpackTile(packed);
UnitType type;
if (!mcvPlaced)
type = UNIT_MCV;
else if (i >= 0 && i < 3)
type = UNIT_SIEGE_TANK;
else if (i >= 3 && i < 4)
type = House_GetIXVehicle(houseID);
else if (i >= 4 && i < 5)
type = House_GetMediumVehicle(houseID);
else if (i >= 5 && i < 6)
type = UNIT_QUAD;
else if (i >= 6)
type = House_GetInfantrySquad(houseID);
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
/* If there's a structure or a bloom here, tough luck. */
if (lst == LST_STRUCTURE || lst == LST_BLOOM_FIELD)
continue;
/* If there's a mountain here, build infantry instead. */
if (lst == LST_ENTIRELY_MOUNTAIN || lst == LST_PARTIAL_MOUNTAIN)
type = House_GetInfantrySquad(houseID);
Scenario_Create_Unit(houseID, type, 256, position, 127, (UnitActionType)g_table_unitInfo[type].o.actionsPlayer[3]);
if (type == UNIT_MCV)
mcvPlaced = true;
}
return true;
}
static bool Skirmish_GenStructuresAI(HouseType houseID, SkirmishData* sd)
{
uint16 tech_level = 0;
uint16 structure = 0;
int structure_count = 0;
int structure_threshold = 100;
int cpu_count = 0;
for (HouseType h = HOUSE_HARKONNEN; h < HOUSE_MAX; h++)
{
if (g_skirmish.brain[h] == BRAIN_CPU_ENEMY || g_skirmish.brain[h] == BRAIN_CPU_ALLY)
cpu_count++;
}
assert(cpu_count != 0);
const int max_structure_count = 60 / cpu_count;
/* First pass finds out what to build. */
tech_level = 0;
structure = 0;
structure_count = 0;
for (structure = 0; (structure < lengthof(buildorder)) && (tech_level <= g_techLevel); structure++)
{
if (buildorder[structure].type == STRUCTURE_INVALID)
tech_level++;
else if ((buildorder[structure].availableHouse & (1 << houseID)) != 0)
structure_count++;
}
if (structure_count > max_structure_count)
{
structure_count = max_structure_count;
SkirmishBuildOrder* bo = (SkirmishBuildOrder*)malloc(structure * sizeof(SkirmishBuildOrder));
assert(bo != NULL);
memcpy(bo, buildorder, structure * sizeof(SkirmishBuildOrder));
qsort(bo, structure, sizeof(SkirmishBuildOrder), Skirmish_BuildOrder_Sorter);
structure_threshold = bo[structure_count].priority;
free(bo);
}
/* Second pass builds structures below the threshold priority. */
tech_level = 0;
structure = 0;
for (int attempts = 0; attempts < 100; attempts++)
{
int island = Skirmish_PickRandomIsland(sd);
int range = 8;
if (island < 0)
return false;
/* Re-flood-fill the island, using a new starting point. */
{
const int r = Tools_RandomLCG_Range(sd->island[island].start, sd->island[island].end - 1);
uint16 dist_ally, dist_enemy;
Skirmish_FindClosestStructures(houseID, sd->buildable[r].packed, &dist_ally, &dist_enemy);
if ((dist_ally > 16 && dist_ally != 0xFFFF) ||
(dist_enemy < 24))
continue;
const int area = Skirmish_FindBuildableArea(island, sd->buildable[r].x, sd->buildable[r].y,
sd, sd->buildable + sd->island[island].start);
assert(area == sd->island[island].end - sd->island[island].start);
UNUSED(area);
for (int i = sd->island[island].start; i < sd->island[island].end; i++)
sd->islandID[sd->buildable[i].packed] = island;
}
/* Use no-cheat-mode to verify land is buildable. */
g_validateStrictIfZero--;
assert(g_validateStrictIfZero == 0);
/* Place structures. */
while (structure_count > 0)
{
assert(structure < lengthof(buildorder));
if (buildorder[structure].type == STRUCTURE_INVALID)
{
tech_level++;
structure++;
continue;
}
if (buildorder[structure].priority >= structure_threshold)
{
structure++;
continue;
}
const StructureType type = buildorder[structure].type;
const StructureInfo* si = &g_table_structureInfo[type];
const int r = Tools_RandomLCG_Range(0, range - 1);
const uint16 packed = sd->buildable[sd->island[island].start + r].packed;
if (Structure_IsValidBuildLandscape(packed, type) != 0)
{
Structure* s = Structure_Create(STRUCTURE_INDEX_INVALID, type, houseID, packed);
assert(s != NULL);
s->o.hitpoints = si->o.hitpoints;
s->o.flags.s.degrades = false;
s->state = STRUCTURE_STATE_IDLE;
if (House_AreAllied(g_playerHouseID, houseID))
s->o.seenByHouses = 0xFF;
if (s->o.type == STRUCTURE_PALACE)
s->countDown = g_table_houseInfo[houseID].specialCountDown;
range = min(range + 4, sd->island[island].end - sd->island[island].start);
structure++;
structure_count--;
}
else
{
range++;
if (range > sd->island[island].end - sd->island[island].start)
break;
}
}
/* Connect structures on this island with concrete slabs. */
for (range--; range > 0; range--)
{
const int self = sd->island[island].start + range;
uint16 packed = sd->buildable[self].packed;
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
if (lst != LST_STRUCTURE && lst != LST_CONCRETE_SLAB)
continue;
const int parent = sd->island[island].start + sd->buildable[self].parent;
packed = sd->buildable[parent].packed;
if (Structure_IsValidBuildLandscape(packed, STRUCTURE_SLAB_1x1) == 0)
continue;
g_validateStrictIfZero++;
Structure_Create(STRUCTURE_INDEX_INVALID, STRUCTURE_SLAB_1x1, houseID, packed);
g_validateStrictIfZero--;
}
/* Finished building on this island. Create sub-islands from
* remaining buildable tiles.
*/
g_validateStrictIfZero++;
Skirmish_DivideIsland(houseID, island, sd);
if (structure_count <= 0)
return true;
}
return false;
}
/* Use breadth first flood fill to create a list of buildable tiles
* around x0, y0. Only fill tiles that are part of the same source
* island (similar to bucket fill same colour).
*/
static int Skirmish_FindBuildableArea(int island, int x0, int y0, SkirmishData* sd, BuildableTile* buildable)
{
const int dx[4] = {0, 1, 0, -1};
const int dy[4] = {-1, 0, 1, 0};
int* islandID = sd->islandID;
int n = 0;
/* Starting case. */
do
{
if (!(Map_InRangeX(x0) && Map_InRangeY(y0)))
break;
const uint16 packed = Tile_PackXY(x0, y0);
if (islandID[packed] != island)
break;
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
const LandscapeInfo* li = &g_table_landscapeInfo[lst];
if (!(li->isValidForStructure || li->isValidForStructure2))
break;
buildable[n].x = x0;
buildable[n].y = y0;
buildable[n].packed = packed;
buildable[n].parent = 0;
islandID[packed] = sd->nislands;
n++;
}
while (false);
for (int i = 0; i < n; i++)
{
const int r = Tools_Random_256() & 0x3;
for (int j = 0; j < 4; j++)
{
const int x = buildable[i].x + dx[(r + j) & 0x3];
const int y = buildable[i].y + dy[(r + j) & 0x3];
if (!(Map_InRangeX(x) && Map_InRangeY(y)))
continue;
const uint16 packed = Tile_PackXY(x, y);
if (islandID[packed] != island)
continue;
const LandscapeType lst = (const LandscapeType)Map_GetLandscapeType(packed);
const LandscapeInfo* li = &g_table_landscapeInfo[lst];
if (!(li->isValidForStructure || li->isValidForStructure2))
continue;
buildable[n].x = x;
buildable[n].y = y;
buildable[n].packed = packed;
buildable[n].parent = i;
islandID[packed] = sd->nislands;
n++;
}
}
return n;
}
/**
* Draw a single tile on the screen.
*
* @param packed The tile to draw.
*/
void GUI_Widget_Viewport_DrawTile(uint16 packed)
{
uint16 x;
uint16 y;
uint16 colour;
uint16 spriteID;
Tile *t;
uint16 mapScale;
colour = 12;
spriteID = 0xFFFF;
if (Tile_IsOutOfMap(packed) || !Map_IsValidPosition(packed)) return;
x = Tile_GetPackedX(packed);
y = Tile_GetPackedY(packed);
mapScale = g_scenario.mapScale + 1;
if (mapScale == 0 || BitArray_Test(g_displayedMinimap, packed)) return;
t = &g_map[packed];
if ((t->isUnveiled && g_playerHouse->flags.radarActivated) || g_debugScenario) {
uint16 type = Map_GetLandscapeType(packed);
Unit *u;
if (mapScale > 1) {
spriteID = g_scenario.mapScale + g_table_landscapeInfo[type].spriteID - 1;
} else {
colour = g_table_landscapeInfo[type].radarColour;
}
if (g_table_landscapeInfo[type].radarColour == 0xFFFF) {
if (mapScale > 1) {
spriteID = mapScale + t->houseID * 2 + 29;
} else {
colour = g_table_houseInfo[t->houseID].minimapColor;
}
}
u = Unit_Get_ByPackedTile(packed);
if (u != NULL) {
if (mapScale > 1) {
if (u->o.type == UNIT_SANDWORM) {
spriteID = mapScale + 53;
} else {
spriteID = mapScale + Unit_GetHouseID(u) * 2 + 29;
}
} else {
if (u->o.type == UNIT_SANDWORM) {
colour = 255;
} else {
colour = g_table_houseInfo[Unit_GetHouseID(u)].minimapColor;
}
}
}
} else {
Structure *s;
s = Structure_Get_ByPackedTile(packed);
if (s != NULL && s->o.houseID == g_playerHouseID) {
if (mapScale > 1) {
spriteID = mapScale + s->o.houseID * 2 + 29;
} else {
colour = g_table_houseInfo[s->o.houseID].minimapColor;
}
} else {
if (mapScale > 1) {
spriteID = g_scenario.mapScale + g_table_landscapeInfo[LST_ENTIRELY_MOUNTAIN].spriteID - 1;
} else {
colour = 12;
}
}
}
x -= g_mapInfos[g_scenario.mapScale].minX;
y -= g_mapInfos[g_scenario.mapScale].minY;
if (spriteID != 0xFFFF) {
x *= g_scenario.mapScale + 1;
y *= g_scenario.mapScale + 1;
GUI_DrawSprite(g_screenActiveID, g_sprites[spriteID], x, y, 3, 0x4000);
} else {
GFX_PutPixel(x + 256, y + 136, colour & 0xFF);
}
}
/**
* 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);
}