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Properly draw selected rings and target formation position

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This commit is contained in:
Klemen Plestenjak
2023-11-23 15:39:05 +01:00
parent 1dd764e28b
commit d62e08a6b8
1 changed files with 38 additions and 35 deletions
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73
game/systems_input.c
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@@ -9,8 +9,13 @@ bool getEntityBounds(ecs_entity_t entity, Position *outPos, Size *outSize, Recta
void pickEntity(BzSpatialGrid *entityGrid, Vector2 point, ecs_entity_t **outEntities);
void pickEntities(BzSpatialGrid *entityGrid, Rectangle area, ecs_entity_t **outEntities);
static void placeUnits(i32 numUnits, f32 unitSpacing, Vector2 start, Vector2 end, BzTileMap *map, Vector2 **outPlaces);
void placeUnits(i32 numUnits, f32 unitSpacing, Vector2 start, Vector2 end, BzTileMap *map, Vector2 **outPlaces);
void drawSelectionCircles(ecs_entity_t **selected);
static bool isInputDragged(InputState *input) {
return IsMouseButtonDown(input->LMB && input->mouseDownElapsed > input->CLICK_LIMIT);
}
static bool wasInputDragged(InputState *input) {
return IsMouseButtonReleased(input->LMB) && input->mouseDownElapsed > input->CLICK_LIMIT;
}
@@ -52,23 +57,6 @@ void updatePlayerInput(ecs_iter_t *it) {
switch (input->state) {
case INPUT_NONE:
if (wasInputDragged(input)) {
// Dragging
Vector2 start = input->mouseDownWorld;
Vector2 end = worldPos;
if (start.x > end.x) {
f32 tmp = start.x;
start.x = end.x;
end.x = tmp;
}
if (start.y > end.y) {
f32 tmp = start.y;
start.y = end.y;
end.y = tmp;
}
Rectangle pickArea = {start.x, start.y, end.x - start.x, end.y - start.y};
pickEntities(game->entityGrid, pickArea, &input->entities);
if (bzArraySize(input->entities) > 0) {
input->state = INPUT_SELECTED_UNITS;
break;
@@ -78,7 +66,6 @@ void updatePlayerInput(ecs_iter_t *it) {
// Click
// 1. Entity
pickEntity(game->entityGrid, worldPos, &input->entities);
if (bzArraySize(input->entities) > 0) {
input->state = INPUT_SELECTED_UNITS;
break;
@@ -109,7 +96,8 @@ void updatePlayerInput(ecs_iter_t *it) {
input->buildingSize = (TileSize) {sizeX, sizeY};
break;
case INPUT_SELECTED_UNITS:
if (IsKeyPressed(input->ESC)) {
if (IsKeyPressed(input->ESC) || IsMouseButtonPressed(input->RMB)) {
bzArrayClear(input->entities);
input->state = INPUT_NONE;
break;
}
@@ -138,7 +126,6 @@ void updatePlayerInput(ecs_iter_t *it) {
});
if (!path.paths) continue;
ecs_set_ptr(ECS, entity, Path, &path);
input->state = INPUT_NONE;
}
} else if (wasInputClicked(input)) {
bzArrayFor(input->entities, i) {
@@ -156,7 +143,6 @@ void updatePlayerInput(ecs_iter_t *it) {
});
if (!path.paths) continue;
ecs_set_ptr(ECS, entity, Path, &path);
input->state = INPUT_NONE;
}
}
@@ -171,11 +157,12 @@ void updatePlayerInput(ecs_iter_t *it) {
void drawPlayerInputUI(ecs_iter_t *it) {
Game *game = ecs_singleton_get_mut(ECS, Game);
InputState *input = ecs_singleton_get_mut(ECS, InputState);
BzTileMap *map = &game->map;
Vector2 worldPos = GetScreenToWorld2D(GetMousePosition(), game->camera);
switch (input->state) {
case INPUT_NONE:
if (IsMouseButtonDown(input->LMB) && input->mouseDownElapsed > input->CLICK_LIMIT) {
if (isInputDragged(input)) {
Vector2 start = input->mouseDownWorld;
Vector2 end = worldPos;
if (start.x > end.x) {
@@ -190,6 +177,8 @@ void drawPlayerInputUI(ecs_iter_t *it) {
}
Rectangle area = {start.x, start.y, end.x - start.x, end.y - start.y};
DrawRectangleLines(area.x, area.y, area.width, area.height, RED);
pickEntities(game->entityGrid, area, &input->entities);
}
break;
case INPUT_BUILDING: {
@@ -206,15 +195,19 @@ void drawPlayerInputUI(ecs_iter_t *it) {
break;
}
case INPUT_SELECTED_UNITS: {
bzArrayFor(input->entities, i) {
ecs_entity_t entity = bzArrayGet(input->entities, i);
Position pos = {0};
if (!getEntityBounds(entity, &pos, NULL, NULL))
continue;
DrawCircleLines(pos.x, pos.y, 4.5f, GREEN);
if (bzArraySize(input->entities) > 1 && isInputDragged(input)) {
i32 numUnits = bzArraySize(input->entities);
f32 unitSpacing = 3.5f;
bzArrayClear(input->unitPositions);
placeUnits(numUnits, unitSpacing, input->mouseDownWorld, worldPos,
map, &input->unitPositions);
BZ_ASSERT(bzArraySize(input->unitPositions) == numUnits);
bzArrayFor(input->unitPositions, i) {
Position pos = bzArrayGet(input->unitPositions, i);
DrawCircle(pos.x, pos.y, 2.0f, ORANGE);
}
}
break;
}
@@ -223,10 +216,8 @@ void drawPlayerInputUI(ecs_iter_t *it) {
case INPUT_SELECTED_BUILDING:
break;
}
bzArrayFor(input->unitPositions, i) {
Position pos = bzArrayGet(input->unitPositions, i);
DrawCircle(pos.x, pos.y, 2.0f, ORANGE);
}
drawSelectionCircles(&input->entities);
}
@@ -336,3 +327,15 @@ void placeUnits(i32 numUnits, f32 unitSpacing, Vector2 start, Vector2 end, BzTil
pos.x += unitSpacing * 2.0f;
}
}
void drawSelectionCircles(ecs_entity_t **selected) {
bzArrayFor(*selected, i) {
ecs_entity_t entity = bzArrayGet(*selected, i);
Position pos = {0};
if (!getEntityBounds(entity, &pos, NULL, NULL))
continue;
DrawCircleLines(pos.x, pos.y, 4.5f, GREEN);
}
}