Files
yaze/src/app/editor/graphics/palette_editor.cc
2024-07-30 21:45:01 -04:00

470 lines
15 KiB
C++

#include "palette_editor.h"
#include <imgui/imgui.h>
#include "absl/status/status.h"
#include "app/gfx/snes_palette.h"
#include "app/gui/canvas.h"
#include "app/gui/color.h"
#include "app/gui/icons.h"
#include "app/gui/style.h"
namespace yaze {
namespace app {
namespace editor {
using ImGui::AcceptDragDropPayload;
using ImGui::BeginChild;
using ImGui::BeginDragDropTarget;
using ImGui::BeginGroup;
using ImGui::BeginPopup;
using ImGui::BeginPopupContextItem;
using ImGui::BeginTable;
using ImGui::Button;
using ImGui::ColorButton;
using ImGui::ColorPicker4;
using ImGui::EndChild;
using ImGui::EndDragDropTarget;
using ImGui::EndGroup;
using ImGui::EndPopup;
using ImGui::EndTable;
using ImGui::GetContentRegionAvail;
using ImGui::GetStyle;
using ImGui::OpenPopup;
using ImGui::PopID;
using ImGui::PushID;
using ImGui::SameLine;
using ImGui::Selectable;
using ImGui::Separator;
using ImGui::SetClipboardText;
using ImGui::TableHeadersRow;
using ImGui::TableNextColumn;
using ImGui::TableNextRow;
using ImGui::TableSetColumnIndex;
using ImGui::TableSetupColumn;
using ImGui::Text;
using ImGui::TreeNode;
using ImGui::TreePop;
using namespace gfx;
constexpr ImGuiTableFlags kPaletteTableFlags =
ImGuiTableFlags_Reorderable | ImGuiTableFlags_Resizable |
ImGuiTableFlags_SizingStretchSame | ImGuiTableFlags_Hideable;
constexpr ImGuiColorEditFlags kPalNoAlpha = ImGuiColorEditFlags_NoAlpha;
constexpr ImGuiColorEditFlags kPalButtonFlags2 = ImGuiColorEditFlags_NoAlpha |
ImGuiColorEditFlags_NoPicker |
ImGuiColorEditFlags_NoTooltip;
constexpr ImGuiColorEditFlags kColorPopupFlags =
ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoAlpha;
namespace {
int CustomFormatString(char* buf, size_t buf_size, const char* fmt, ...) {
va_list args;
va_start(args, fmt);
#ifdef IMGUI_USE_STB_SPRINTF
int w = stbsp_vsnprintf(buf, (int)buf_size, fmt, args);
#else
int w = vsnprintf(buf, buf_size, fmt, args);
#endif
va_end(args);
if (buf == nullptr) return w;
if (w == -1 || w >= (int)buf_size) w = (int)buf_size - 1;
buf[w] = 0;
return w;
}
static inline float color_saturate(float f) {
return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f;
}
#define F32_TO_INT8_SAT(_VAL) \
((int)(color_saturate(_VAL) * 255.0f + \
0.5f)) // Saturated, always output 0..255
} // namespace
absl::Status PaletteEditor::Update() {
if (rom()->is_loaded()) {
// Initialize the labels
for (int i = 0; i < kNumPalettes; i++) {
rom()->resource_label()->CreateOrGetLabel(
"Palette Group Name", std::to_string(i),
std::string(kPaletteGroupNames[i]));
}
} else {
return absl::NotFoundError("ROM not open, no palettes to display");
}
if (BeginTable("paletteEditorTable", 2, kPaletteTableFlags, ImVec2(0, 0))) {
TableSetupColumn("Palette Groups", ImGuiTableColumnFlags_WidthStretch,
GetContentRegionAvail().x);
TableSetupColumn("Palette Sets and Metadata",
ImGuiTableColumnFlags_WidthStretch,
GetContentRegionAvail().x);
TableHeadersRow();
TableNextRow();
TableNextColumn();
DrawModifiedColors();
DrawCustomPalette();
Separator();
gui::SnesColorEdit4("Current Color Picker", &current_color_,
ImGuiColorEditFlags_NoAlpha);
Separator();
DisplayCategoryTable();
TableNextColumn();
gfx_group_editor_.DrawPaletteViewer();
Separator();
static bool in_use = false;
ImGui::Checkbox("Palette in use? ", &in_use);
Separator();
static std::string palette_notes = "Notes about the palette";
ImGui::InputTextMultiline("Notes", palette_notes.data(), 1024,
ImVec2(-1, ImGui::GetTextLineHeight() * 4),
ImGuiInputTextFlags_AllowTabInput);
EndTable();
}
CLEAR_AND_RETURN_STATUS(status_)
return absl::OkStatus();
}
void PaletteEditor::DrawCustomPalette() {
if (BeginChild("ColorPalette", ImVec2(0, 40), true,
ImGuiWindowFlags_HorizontalScrollbar)) {
for (int i = 0; i < custom_palette_.size(); i++) {
PushID(i);
SameLine(0.0f, GetStyle().ItemSpacing.y);
gui::SnesColorEdit4("##customPalette", &custom_palette_[i],
ImGuiColorEditFlags_NoInputs);
// Accept a drag drop target which adds a color to the custom_palette_
if (BeginDragDropTarget()) {
if (const ImGuiPayload* payload =
AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F)) {
ImVec4 color = ImVec4(0, 0, 0, 1.0f);
memcpy((float*)&color, payload->Data, sizeof(float));
custom_palette_.push_back(SnesColor(color));
}
EndDragDropTarget();
}
PopID();
}
SameLine();
if (ImGui::Button("Add Color")) {
custom_palette_.push_back(SnesColor(0x7FFF));
}
SameLine();
if (ImGui::Button("Export to Clipboard")) {
std::string clipboard;
for (const auto& color : custom_palette_) {
clipboard += absl::StrFormat("$%04X,", color.snes());
}
SetClipboardText(clipboard.c_str());
}
}
EndChild();
}
void PaletteEditor::DisplayCategoryTable() {
if (BeginTable("Category Table", 8,
ImGuiTableFlags_Resizable | ImGuiTableFlags_Reorderable |
ImGuiTableFlags_SizingStretchSame |
ImGuiTableFlags_Hideable,
ImVec2(0, 0))) {
TableSetupColumn("Weapons and Gear");
TableSetupColumn("Overworld and Area Colors");
TableSetupColumn("Global Sprites");
TableSetupColumn("Sprites Aux1");
TableSetupColumn("Sprites Aux2");
TableSetupColumn("Sprites Aux3");
TableSetupColumn("Maps and Items");
TableSetupColumn("Dungeons");
TableHeadersRow();
TableNextRow();
TableSetColumnIndex(0);
if (TreeNode("Sword")) {
status_ = DrawPaletteGroup(PaletteCategory::kSword);
TreePop();
}
if (TreeNode("Shield")) {
status_ = DrawPaletteGroup(PaletteCategory::kShield);
TreePop();
}
if (TreeNode("Clothes")) {
status_ = DrawPaletteGroup(PaletteCategory::kClothes, true);
TreePop();
}
TableSetColumnIndex(1);
gui::BeginChildWithScrollbar("##WorldPaletteScrollRegion");
if (TreeNode("World Colors")) {
status_ = DrawPaletteGroup(PaletteCategory::kWorldColors);
TreePop();
}
if (TreeNode("Area Colors")) {
status_ = DrawPaletteGroup(PaletteCategory::kAreaColors);
TreePop();
}
EndChild();
TableSetColumnIndex(2);
status_ = DrawPaletteGroup(PaletteCategory::kGlobalSprites, true);
TableSetColumnIndex(3);
status_ = DrawPaletteGroup(PaletteCategory::kSpritesAux1);
TableSetColumnIndex(4);
status_ = DrawPaletteGroup(PaletteCategory::kSpritesAux2);
TableSetColumnIndex(5);
status_ = DrawPaletteGroup(PaletteCategory::kSpritesAux3);
TableSetColumnIndex(6);
gui::BeginChildWithScrollbar("##MapPaletteScrollRegion");
if (TreeNode("World Map")) {
status_ = DrawPaletteGroup(PaletteCategory::kWorldMap, true);
TreePop();
}
if (TreeNode("Dungeon Map")) {
status_ = DrawPaletteGroup(PaletteCategory::kDungeonMap);
TreePop();
}
if (TreeNode("Triforce")) {
status_ = DrawPaletteGroup(PaletteCategory::kTriforce);
TreePop();
}
if (TreeNode("Crystal")) {
status_ = DrawPaletteGroup(PaletteCategory::kCrystal);
TreePop();
}
EndChild();
TableSetColumnIndex(7);
gui::BeginChildWithScrollbar("##DungeonPaletteScrollRegion");
status_ = DrawPaletteGroup(PaletteCategory::kDungeons, true);
EndChild();
EndTable();
}
}
absl::Status PaletteEditor::DrawPaletteGroup(int category, bool right_side) {
if (!rom()->is_loaded()) {
return absl::NotFoundError("ROM not open, no palettes to display");
}
auto palette_group_name = kPaletteGroupNames[category];
gfx::PaletteGroup* palette_group =
rom()->mutable_palette_group()->get_group(palette_group_name.data());
const auto size = palette_group->size();
static bool edit_color = false;
for (int j = 0; j < size; j++) {
gfx::SnesPalette* palette = palette_group->mutable_palette(j);
auto pal_size = palette->size();
for (int n = 0; n < pal_size; n++) {
PushID(n);
if (!right_side) {
if ((n % 7) != 0) SameLine(0.0f, GetStyle().ItemSpacing.y);
} else {
if ((n % 15) != 0) SameLine(0.0f, GetStyle().ItemSpacing.y);
}
auto popup_id =
absl::StrCat(kPaletteCategoryNames[category].data(), j, "_", n);
// Small icon of the color in the palette
if (gui::SnesColorButton(popup_id, *palette->mutable_color(n),
kPalNoAlpha)) {
ASSIGN_OR_RETURN(current_color_, palette->GetColor(n));
}
if (BeginPopupContextItem(popup_id.c_str())) {
RETURN_IF_ERROR(HandleColorPopup(*palette, category, j, n))
}
PopID();
}
SameLine();
rom()->resource_label()->SelectableLabelWithNameEdit(
false, palette_group_name.data(), /*key=*/std::to_string(j),
"Unnamed Palette");
if (right_side) Separator();
}
return absl::OkStatus();
}
void PaletteEditor::DrawModifiedColors() {
if (BeginChild("ModifiedColors", ImVec2(0, 100), true,
ImGuiWindowFlags_HorizontalScrollbar)) {
for (int i = 0; i < history_.size(); i++) {
PushID(i);
gui::SnesColorEdit4("Original ", &history_.GetOriginalColor(i),
ImGuiColorEditFlags_NoInputs);
SameLine(0.0f, GetStyle().ItemSpacing.y);
gui::SnesColorEdit4("Modified ", &history_.GetModifiedColor(i),
ImGuiColorEditFlags_NoInputs);
PopID();
}
}
EndChild();
}
absl::Status PaletteEditor::HandleColorPopup(gfx::SnesPalette& palette, int i,
int j, int n) {
auto col = gfx::ToFloatArray(palette[n]);
auto original_color = palette[n];
if (gui::SnesColorEdit4("Edit Color", &palette[n], kColorPopupFlags)) {
history_.RecordChange(/*group_name=*/std::string(kPaletteGroupNames[i]),
/*palette_index=*/j, /*color_index=*/n,
original_color, palette[n]);
palette[n].set_modified(true);
}
if (Button("Copy as..", ImVec2(-1, 0))) OpenPopup("Copy");
if (BeginPopup("Copy")) {
int cr = F32_TO_INT8_SAT(col[0]);
int cg = F32_TO_INT8_SAT(col[1]);
int cb = F32_TO_INT8_SAT(col[2]);
char buf[64];
CustomFormatString(buf, IM_ARRAYSIZE(buf), "(%.3ff, %.3ff, %.3ff)", col[0],
col[1], col[2]);
if (Selectable(buf)) SetClipboardText(buf);
CustomFormatString(buf, IM_ARRAYSIZE(buf), "(%d,%d,%d)", cr, cg, cb);
if (Selectable(buf)) SetClipboardText(buf);
CustomFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", cr, cg, cb);
if (Selectable(buf)) SetClipboardText(buf);
// SNES Format
CustomFormatString(buf, IM_ARRAYSIZE(buf), "$%04X",
ConvertRGBtoSNES(ImVec4(col[0], col[1], col[2], 1.0f)));
if (Selectable(buf)) SetClipboardText(buf);
EndPopup();
}
EndPopup();
return absl::OkStatus();
}
void PaletteEditor::DisplayPalette(gfx::SnesPalette& palette, bool loaded) {
static ImVec4 color = ImVec4(0, 0, 0, 255.f);
ImGuiColorEditFlags misc_flags = ImGuiColorEditFlags_AlphaPreview |
ImGuiColorEditFlags_NoDragDrop |
ImGuiColorEditFlags_NoOptions;
// Generate a default palette. The palette will persist and can be edited.
static bool init = false;
if (loaded && !init) {
status_ = InitializeSavedPalette(palette);
init = true;
}
static ImVec4 backup_color;
bool open_popup = ColorButton("MyColor##3b", color, misc_flags);
SameLine(0, GetStyle().ItemInnerSpacing.x);
open_popup |= Button("Palette");
if (open_popup) {
OpenPopup("mypicker");
backup_color = color;
}
if (BeginPopup("mypicker")) {
TEXT_WITH_SEPARATOR("Current Overworld Palette");
ColorPicker4("##picker", (float*)&color,
misc_flags | ImGuiColorEditFlags_NoSidePreview |
ImGuiColorEditFlags_NoSmallPreview);
SameLine();
BeginGroup(); // Lock X position
Text("Current ==>");
SameLine();
Text("Previous");
if (Button("Update Map Palette")) {
}
ColorButton(
"##current", color,
ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf,
ImVec2(60, 40));
SameLine();
if (ColorButton(
"##previous", backup_color,
ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf,
ImVec2(60, 40)))
color = backup_color;
// List of Colors in Overworld Palette
Separator();
Text("Palette");
for (int n = 0; n < IM_ARRAYSIZE(saved_palette_); n++) {
PushID(n);
if ((n % 8) != 0) SameLine(0.0f, GetStyle().ItemSpacing.y);
if (ColorButton("##palette", saved_palette_[n], kPalButtonFlags2,
ImVec2(20, 20)))
color = ImVec4(saved_palette_[n].x, saved_palette_[n].y,
saved_palette_[n].z, color.w); // Preserve alpha!
if (BeginDragDropTarget()) {
if (const ImGuiPayload* payload =
AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 3);
if (const ImGuiPayload* payload =
AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 4);
EndDragDropTarget();
}
PopID();
}
EndGroup();
EndPopup();
}
}
absl::Status PaletteEditor::EditColorInPalette(gfx::SnesPalette& palette,
int index) {
if (index >= palette.size()) {
return absl::InvalidArgumentError("Index out of bounds");
}
// Get the current color
ASSIGN_OR_RETURN(auto color, palette.GetColor(index));
auto currentColor = color.rgb();
if (ColorPicker4("Color Picker", (float*)&palette[index])) {
// The color was modified, update it in the palette
palette(index, currentColor);
}
return absl::OkStatus();
}
absl::Status PaletteEditor::ResetColorToOriginal(
gfx::SnesPalette& palette, int index,
const gfx::SnesPalette& originalPalette) {
if (index >= palette.size() || index >= originalPalette.size()) {
return absl::InvalidArgumentError("Index out of bounds");
}
ASSIGN_OR_RETURN(auto color, originalPalette.GetColor(index));
auto originalColor = color.rgb();
palette(index, originalColor);
return absl::OkStatus();
}
} // namespace editor
} // namespace app
} // namespace yaze