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feat: Add layer visibility controls and BG2 layer type selection in DungeonCanvasViewer

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- Implemented controls for toggling visibility of background layers BG1 and BG2 in the DungeonCanvasViewer.
- Added a dropdown for selecting the type of BG2 layer, allowing for different rendering effects (Normal, Translucent, Addition, Dark, Off).
- Updated rendering logic to respect visibility settings and apply the selected alpha values for BG2 layer rendering.
- Enhanced debug logging to provide detailed information about bitmap states and rendering processes for both background layers.
This commit is contained in:
scawful
2025-10-09 16:25:05 -04:00
parent 9d0b6737cd
commit b135948ba2
5 changed files with 109 additions and 14 deletions
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67
src/app/editor/dungeon/dungeon_canvas_viewer.cc
View File

@@ -93,6 +93,24 @@ void DungeonCanvasViewer::DrawDungeonCanvas(int room_id) {
ImGui::SameLine();
gui::InputHexWord("Message ID", &room.message_id_);
// Layer visibility controls
ImGui::Separator();
ImGui::Text("Layer Controls:");
ImGui::Checkbox("Show BG1", &bg1_visible_);
ImGui::SameLine();
ImGui::Checkbox("Show BG2", &bg2_visible_);
// BG2 layer type dropdown
const char* bg2_layer_types[] = {
"Normal (100%)", "Translucent (75%)", "Addition (50%)", "Dark (25%)", "Off (0%)"
};
const int bg2_alpha_values[] = {255, 191, 127, 64, 0};
if (ImGui::Combo("BG2 Layer Type", &bg2_layer_type_, bg2_layer_types,
sizeof(bg2_layer_types) / sizeof(bg2_layer_types[0]))) {
// BG2 layer type changed, no need to reload graphics
}
// Check if critical properties changed and trigger reload
if (prev_blockset != room.blockset || prev_palette != room.palette ||
prev_layout != room.layout || prev_spriteset != room.spriteset) {
@@ -444,7 +462,8 @@ void DungeonCanvasViewer::RenderRoomBackgroundLayers(int room_id) {
auto& bg1_bitmap = room.bg1_buffer().bitmap();
auto& bg2_bitmap = room.bg2_buffer().bitmap();
if (bg1_bitmap.is_active() && bg1_bitmap.width() > 0 && bg1_bitmap.height() > 0) {
// Draw BG1 layer if visible and active
if (bg1_visible_ && bg1_bitmap.is_active() && bg1_bitmap.width() > 0 && bg1_bitmap.height() > 0) {
if (!bg1_bitmap.texture()) {
// Queue texture creation for background layer 1 via Arena's deferred system
gfx::Arena::Get().QueueTextureCommand(
@@ -456,11 +475,15 @@ void DungeonCanvasViewer::RenderRoomBackgroundLayers(int room_id) {
// Only draw if texture was successfully created
if (bg1_bitmap.texture()) {
printf("[RenderRoomBackgroundLayers] Drawing BG1 bitmap to canvas with texture %p\n", bg1_bitmap.texture());
canvas_.DrawBitmap(bg1_bitmap, 0, 0, 1.0f, 255);
} else {
printf("[RenderRoomBackgroundLayers] ERROR: BG1 bitmap has no texture!\n");
}
}
if (bg2_bitmap.is_active() && bg2_bitmap.width() > 0 && bg2_bitmap.height() > 0) {
// Draw BG2 layer if visible and active
if (bg2_visible_ && bg2_bitmap.is_active() && bg2_bitmap.width() > 0 && bg2_bitmap.height() > 0) {
if (!bg2_bitmap.texture()) {
// Queue texture creation for background layer 2 via Arena's deferred system
gfx::Arena::Get().QueueTextureCommand(
@@ -472,18 +495,42 @@ void DungeonCanvasViewer::RenderRoomBackgroundLayers(int room_id) {
// Only draw if texture was successfully created
if (bg2_bitmap.texture()) {
canvas_.DrawBitmap(bg2_bitmap, 0, 0, 1.0f, 200);
// Use the selected BG2 layer type alpha value
const int bg2_alpha_values[] = {255, 191, 127, 64, 0};
int alpha_value = bg2_alpha_values[std::min(bg2_layer_type_, 4)];
printf("[RenderRoomBackgroundLayers] Drawing BG2 bitmap to canvas with texture %p, alpha=%d\n", bg2_bitmap.texture(), alpha_value);
canvas_.DrawBitmap(bg2_bitmap, 0, 0, 1.0f, alpha_value);
} else {
printf("[RenderRoomBackgroundLayers] ERROR: BG2 bitmap has no texture!\n");
}
}
// DEBUG: Check if background buffers have content
if (bg1_bitmap.is_active() && bg1_bitmap.width() > 0) {
printf("[RenderRoomBackgroundLayers] BG1 bitmap: %dx%d, active=%d\n",
bg1_bitmap.width(), bg1_bitmap.height(), bg1_bitmap.is_active());
printf("[RenderRoomBackgroundLayers] BG1 bitmap: %dx%d, active=%d, visible=%d, texture=%p\n",
bg1_bitmap.width(), bg1_bitmap.height(), bg1_bitmap.is_active(), bg1_visible_, bg1_bitmap.texture());
// Check bitmap data content
auto& bg1_data = bg1_bitmap.mutable_data();
int non_zero_pixels = 0;
for (size_t i = 0; i < bg1_data.size(); i += 100) { // Sample every 100th pixel
if (bg1_data[i] != 0) non_zero_pixels++;
}
printf("[RenderRoomBackgroundLayers] BG1 bitmap data: %zu pixels, ~%d non-zero samples\n",
bg1_data.size(), non_zero_pixels);
}
if (bg2_bitmap.is_active() && bg2_bitmap.width() > 0) {
printf("[RenderRoomBackgroundLayers] BG2 bitmap: %dx%d, active=%d\n",
bg2_bitmap.width(), bg2_bitmap.height(), bg2_bitmap.is_active());
printf("[RenderRoomBackgroundLayers] BG2 bitmap: %dx%d, active=%d, visible=%d, layer_type=%d, texture=%p\n",
bg2_bitmap.width(), bg2_bitmap.height(), bg2_bitmap.is_active(), bg2_visible_, bg2_layer_type_, bg2_bitmap.texture());
// Check bitmap data content
auto& bg2_data = bg2_bitmap.mutable_data();
int non_zero_pixels = 0;
for (size_t i = 0; i < bg2_data.size(); i += 100) { // Sample every 100th pixel
if (bg2_data[i] != 0) non_zero_pixels++;
}
printf("[RenderRoomBackgroundLayers] BG2 bitmap data: %zu pixels, ~%d non-zero samples\n",
bg2_data.size(), non_zero_pixels);
}
// TEST: Draw a bright red rectangle to verify canvas drawing works
@@ -493,6 +540,12 @@ void DungeonCanvasViewer::RenderRoomBackgroundLayers(int room_id) {
ImVec2(canvas_pos.x + 50, canvas_pos.y + 50),
ImVec2(canvas_pos.x + 150, canvas_pos.y + 150),
IM_COL32(255, 0, 0, 255)); // Bright red
// DEBUG: Show canvas and bitmap info
printf("[RenderRoomBackgroundLayers] Canvas pos: (%.1f, %.1f), Canvas size: (%.1f, %.1f)\n",
canvas_pos.x, canvas_pos.y, canvas_.canvas_size().x, canvas_.canvas_size().y);
printf("[RenderRoomBackgroundLayers] BG1 bitmap size: %dx%d, BG2 bitmap size: %dx%d\n",
bg1_bitmap.width(), bg1_bitmap.height(), bg2_bitmap.width(), bg2_bitmap.height());
}
} // namespace yaze::editor

15
src/app/editor/dungeon/dungeon_canvas_viewer.h
View File

@@ -56,6 +56,16 @@ class DungeonCanvasViewer {
void SetObjectInteractionEnabled(bool enabled) { object_interaction_enabled_ = enabled; }
bool IsObjectInteractionEnabled() const { return object_interaction_enabled_; }
// Layer visibility controls
void SetBG1Visible(bool visible) { bg1_visible_ = visible; }
void SetBG2Visible(bool visible) { bg2_visible_ = visible; }
bool IsBG1Visible() const { return bg1_visible_; }
bool IsBG2Visible() const { return bg2_visible_; }
// BG2 layer type controls
void SetBG2LayerType(int type) { bg2_layer_type_ = type; }
int GetBG2LayerType() const { return bg2_layer_type_; }
// Set the object to be placed
void SetPreviewObject(const zelda3::RoomObject& object) {
object_interaction_.SetPreviewObject(object, true);
@@ -95,6 +105,11 @@ class DungeonCanvasViewer {
// Object interaction state
bool object_interaction_enabled_ = true;
// Layer visibility controls
bool bg1_visible_ = true;
bool bg2_visible_ = true;
int bg2_layer_type_ = 0; // 0=Normal, 1=Translucent, 2=Addition, etc.
// Palette data
uint64_t current_palette_group_id_ = 0;
uint64_t current_palette_id_ = 0;