Files
yaze/src/app/editor/palette_editor.cc
2023-11-10 23:21:41 -05:00

291 lines
9.8 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"
static inline float ImSaturate(float f) {
return (f < 0.0f) ? 0.0f : (f > 1.0f) ? 1.0f : f;
}
#define IM_F32_TO_INT8_SAT(_VAL) \
((int)(ImSaturate(_VAL) * 255.0f + 0.5f)) // Saturated, always output 0..255
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;
}
namespace yaze {
namespace app {
namespace editor {
absl::Status PaletteEditor::Update() {
if (ImGui::BeginTable("paletteEditorTable", 2,
ImGuiTableFlags_Reorderable |
ImGuiTableFlags_Resizable |
ImGuiTableFlags_SizingStretchSame,
ImVec2(0, 0))) {
ImGui::TableSetupColumn("Palette Groups",
ImGuiTableColumnFlags_WidthStretch,
ImGui::GetContentRegionAvail().x);
ImGui::TableSetupColumn("Editor", ImGuiTableColumnFlags_WidthStretch,
ImGui::GetContentRegionAvail().x);
ImGui::TableHeadersRow();
ImGui::TableNextRow();
ImGui::TableNextColumn();
for (int category = 0; category < kNumPalettes; ++category) {
if (ImGui::TreeNode(kPaletteCategoryNames[category].data())) {
status_ = DrawPaletteGroup(category);
ImGui::TreePop();
}
}
ImGui::TableNextColumn();
ImGui::Text("Test Column");
ImGui::EndTable();
}
CLEAR_AND_RETURN_STATUS(status_)
return absl::OkStatus();
}
void PaletteEditor::EditColorInPalette(gfx::SNESPalette& palette, int index) {
if (index >= palette.size()) {
// Handle error: the index is out of bounds
return;
}
// Get the current color
auto currentColor = palette.GetColor(index).GetRGB();
if (ImGui::ColorPicker4("Color Picker", (float*)&palette[index])) {
// The color was modified, update it in the palette
palette(index, currentColor);
}
}
void PaletteEditor::ResetColorToOriginal(
gfx::SNESPalette& palette, int index,
const gfx::SNESPalette& originalPalette) {
if (index >= palette.size() || index >= originalPalette.size()) {
// Handle error: the index is out of bounds
return;
}
auto originalColor = originalPalette.GetColor(index).GetRGB();
palette(index, originalColor);
}
absl::Status PaletteEditor::DrawPaletteGroup(int category) {
if (!rom()->isLoaded()) {
return absl::NotFoundError("ROM not open, no palettes to display");
}
const auto size =
rom()->GetPaletteGroup(kPaletteGroupNames[category].data()).size();
auto palettes = rom()->GetPaletteGroup(kPaletteGroupNames[category].data());
// if (static bool init = false; !init) {
// InitializeSavedPalette(palettes[0]);
// }
static bool edit_color = false;
for (int j = 0; j < size; j++) {
ImGui::Text("%d", j);
auto palette = palettes[j];
auto pal_size = palette.size();
for (int n = 0; n < pal_size; n++) {
ImGui::PushID(n);
if ((n % 8) != 0) ImGui::SameLine(0.0f, ImGui::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[n], palette_button_flags)) {
edit_color = true;
}
if (ImGui::BeginPopupContextItem(popup_id.c_str())) {
RETURN_IF_ERROR(HandleColorPopup(palette, category, j, n))
}
if (edit_color) {
// The color button was clicked, open the popup
if (ImGui::ColorEdit4(popup_id.c_str(),
gfx::ToFloatArray(palette[n]).data(),
palette_button_flags)) {
EditColorInPalette(palette, n);
}
}
ImGui::PopID();
}
}
return absl::OkStatus();
}
absl::Status PaletteEditor::HandleColorPopup(gfx::SNESPalette& palette, int i,
int j, int n) {
auto col = gfx::ToFloatArray(palette[n]);
if (ImGui::ColorEdit4("Edit Color", col.data(), color_popup_flags)) {
RETURN_IF_ERROR(rom()->UpdatePaletteColor(kPaletteGroupNames[i].data(), j,
n, palette[n]))
}
if (ImGui::Button("Copy as..", ImVec2(-1, 0))) ImGui::OpenPopup("Copy");
if (ImGui::BeginPopup("Copy")) {
int cr = IM_F32_TO_INT8_SAT(col[0]);
int cg = IM_F32_TO_INT8_SAT(col[1]);
int cb = IM_F32_TO_INT8_SAT(col[2]);
char buf[64];
CustomFormatString(buf, IM_ARRAYSIZE(buf), "(%.3ff, %.3ff, %.3ff)", col[0],
col[1], col[2]);
if (ImGui::Selectable(buf)) ImGui::SetClipboardText(buf);
CustomFormatString(buf, IM_ARRAYSIZE(buf), "(%d,%d,%d)", cr, cg, cb);
if (ImGui::Selectable(buf)) ImGui::SetClipboardText(buf);
CustomFormatString(buf, IM_ARRAYSIZE(buf), "#%02X%02X%02X", cr, cg, cb);
if (ImGui::Selectable(buf)) ImGui::SetClipboardText(buf);
ImGui::EndPopup();
}
ImGui::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) {
InitializeSavedPalette(palette);
init = true;
}
static ImVec4 backup_color;
bool open_popup = ImGui::ColorButton("MyColor##3b", color, misc_flags);
ImGui::SameLine(0, ImGui::GetStyle().ItemInnerSpacing.x);
open_popup |= ImGui::Button("Palette");
if (open_popup) {
ImGui::OpenPopup("mypicker");
backup_color = color;
}
if (ImGui::BeginPopup("mypicker")) {
TEXT_WITH_SEPARATOR("Current Overworld Palette");
ImGui::ColorPicker4("##picker", (float*)&color,
misc_flags | ImGuiColorEditFlags_NoSidePreview |
ImGuiColorEditFlags_NoSmallPreview);
ImGui::SameLine();
ImGui::BeginGroup(); // Lock X position
ImGui::Text("Current ==>");
ImGui::SameLine();
ImGui::Text("Previous");
if (ImGui::Button("Update Map Palette")) {
}
ImGui::ColorButton(
"##current", color,
ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf,
ImVec2(60, 40));
ImGui::SameLine();
if (ImGui::ColorButton(
"##previous", backup_color,
ImGuiColorEditFlags_NoPicker | ImGuiColorEditFlags_AlphaPreviewHalf,
ImVec2(60, 40)))
color = backup_color;
// List of Colors in Overworld Palette
ImGui::Separator();
ImGui::Text("Palette");
for (int n = 0; n < IM_ARRAYSIZE(saved_palette_); n++) {
ImGui::PushID(n);
if ((n % 8) != 0) ImGui::SameLine(0.0f, ImGui::GetStyle().ItemSpacing.y);
if (ImGui::ColorButton("##palette", saved_palette_[n],
palette_button_flags_2, ImVec2(20, 20)))
color = ImVec4(saved_palette_[n].x, saved_palette_[n].y,
saved_palette_[n].z, color.w); // Preserve alpha!
if (ImGui::BeginDragDropTarget()) {
if (const ImGuiPayload* payload =
ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 3);
if (const ImGuiPayload* payload =
ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 4);
ImGui::EndDragDropTarget();
}
ImGui::PopID();
}
ImGui::EndGroup();
ImGui::EndPopup();
}
}
void PaletteEditor::DrawPortablePalette(gfx::SNESPalette& palette) {
static bool init = false;
if (!init) {
InitializeSavedPalette(palette);
init = true;
}
if (ImGuiID child_id = ImGui::GetID((void*)(intptr_t)100);
ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
ImGui::BeginGroup(); // Lock X position
ImGui::Text("Palette");
for (int n = 0; n < IM_ARRAYSIZE(saved_palette_); n++) {
ImGui::PushID(n);
if ((n % 8) != 0) ImGui::SameLine(0.0f, ImGui::GetStyle().ItemSpacing.y);
if (ImGui::ColorButton("##palette", saved_palette_[n],
palette_button_flags_2, ImVec2(20, 20)))
ImVec4(saved_palette_[n].x, saved_palette_[n].y, saved_palette_[n].z,
1.0f); // Preserve alpha!
if (ImGui::BeginDragDropTarget()) {
if (const ImGuiPayload* payload =
ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_3F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 3);
if (const ImGuiPayload* payload =
ImGui::AcceptDragDropPayload(IMGUI_PAYLOAD_TYPE_COLOR_4F))
memcpy((float*)&saved_palette_[n], payload->Data, sizeof(float) * 4);
ImGui::EndDragDropTarget();
}
ImGui::PopID();
}
ImGui::EndGroup();
}
ImGui::EndChild();
}
} // namespace editor
} // namespace app
} // namespace yaze