backend-infra-engineer: Pre-0.2.2 snapshot (2022)
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scawful
352
src/app/editor/overworld_editor.cc
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352
src/app/editor/overworld_editor.cc
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#include "overworld_editor.h"
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#include <imgui/imgui.h>
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#include <cmath>
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#include <unordered_map>
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#include "absl/container/flat_hash_map.h"
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#include "absl/status/status.h"
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#include "absl/status/statusor.h"
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#include "absl/strings/str_format.h"
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#include "app/editor/palette_editor.h"
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#include "app/gfx/bitmap.h"
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#include "app/gfx/snes_palette.h"
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#include "app/gfx/snes_tile.h"
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#include "app/rom.h"
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#include "app/zelda3/overworld.h"
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#include "gui/canvas.h"
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#include "gui/icons.h"
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namespace yaze {
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namespace app {
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namespace editor {
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// ----------------------------------------------------------------------------
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absl::Status OverworldEditor::Update() {
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// Initialize overworld graphics, maps, and palettes
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if (rom_.isLoaded() && !all_gfx_loaded_) {
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RETURN_IF_ERROR(LoadGraphics())
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all_gfx_loaded_ = true;
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}
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// Draws the toolset for editing the Overworld.
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RETURN_IF_ERROR(DrawToolset())
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ImGui::Separator();
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if (ImGui::BeginTable("#owEditTable", 2, ow_edit_flags, ImVec2(0, 0))) {
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ImGui::TableSetupColumn("Canvas", ImGuiTableColumnFlags_WidthStretch,
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ImGui::GetContentRegionAvail().x);
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ImGui::TableSetupColumn("Tile Selector");
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ImGui::TableHeadersRow();
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ImGui::TableNextRow();
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ImGui::TableNextColumn();
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DrawOverworldCanvas();
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ImGui::TableNextColumn();
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DrawTileSelector();
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ImGui::EndTable();
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}
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return absl::OkStatus();
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}
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// ----------------------------------------------------------------------------
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absl::Status OverworldEditor::DrawToolset() {
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if (ImGui::BeginTable("OWToolset", 17, toolset_table_flags, ImVec2(0, 0))) {
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for (const auto &name : kToolsetColumnNames)
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ImGui::TableSetupColumn(name.data());
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BUTTON_COLUMN(ICON_MD_UNDO) // Undo
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BUTTON_COLUMN(ICON_MD_REDO) // Redo
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TEXT_COLUMN(ICON_MD_MORE_VERT) // Separator
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BUTTON_COLUMN(ICON_MD_ZOOM_OUT) // Zoom Out
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BUTTON_COLUMN(ICON_MD_ZOOM_IN) // Zoom In
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TEXT_COLUMN(ICON_MD_MORE_VERT) // Separator
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BUTTON_COLUMN(ICON_MD_DRAW) // Draw Tile
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BUTTON_COLUMN(ICON_MD_DOOR_FRONT) // Entrances
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BUTTON_COLUMN(ICON_MD_DOOR_BACK) // Exits
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BUTTON_COLUMN(ICON_MD_GRASS) // Items
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BUTTON_COLUMN(ICON_MD_PEST_CONTROL_RODENT) // Sprites
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BUTTON_COLUMN(ICON_MD_ADD_LOCATION) // Transports
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BUTTON_COLUMN(ICON_MD_MUSIC_NOTE) // Music
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TEXT_COLUMN(ICON_MD_MORE_VERT) // Separator
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ImGui::TableNextColumn(); // Palette
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palette_editor_.DisplayPalette(palette_, overworld_.isLoaded());
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ImGui::EndTable();
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}
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return absl::OkStatus();
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}
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// ----------------------------------------------------------------------------
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void OverworldEditor::DrawOverworldMapSettings() {
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if (ImGui::BeginTable("#mapSettings", 8, ow_map_flags, ImVec2(0, 0), -1)) {
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for (const auto &name : kOverworldSettingsColumnNames)
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ImGui::TableSetupColumn(name.data());
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(50.f);
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ImGui::InputInt("Current Map", ¤t_map_);
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ImGui::TableNextColumn();
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ImGui::SetNextItemWidth(100.f);
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ImGui::Combo("##world", ¤t_world_,
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"Light World\0Dark World\0Extra World\0");
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ImGui::TableNextColumn();
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ImGui::Text("GFX");
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ImGui::SameLine();
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ImGui::SetNextItemWidth(kInputFieldSize);
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ImGui::InputText("##mapGFX", map_gfx_, kByteSize);
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ImGui::TableNextColumn();
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ImGui::Text("Palette");
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ImGui::SameLine();
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ImGui::SetNextItemWidth(kInputFieldSize);
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ImGui::InputText("##mapPal", map_palette_, kByteSize);
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ImGui::TableNextColumn();
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ImGui::Text("Spr GFX");
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ImGui::SameLine();
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ImGui::SetNextItemWidth(kInputFieldSize);
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ImGui::InputText("##sprGFX", spr_gfx_, kByteSize);
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ImGui::TableNextColumn();
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ImGui::Text("Spr Palette");
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ImGui::SameLine();
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ImGui::SetNextItemWidth(kInputFieldSize);
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ImGui::InputText("##sprPal", spr_palette_, kByteSize);
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ImGui::TableNextColumn();
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ImGui::Text("Msg ID");
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ImGui::SameLine();
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ImGui::SetNextItemWidth(50.f);
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ImGui::InputText("##msgid", spr_palette_, kMessageIdSize);
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ImGui::TableNextColumn();
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ImGui::Checkbox("Show grid", &opt_enable_grid); // TODO
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ImGui::EndTable();
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}
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}
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// ----------------------------------------------------------------------------
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void OverworldEditor::DrawOverworldEntrances() {
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for (const auto &each : overworld_.Entrances()) {
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if (each.map_id_ < 0x40 + (current_world_ * 0x40) &&
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each.map_id_ >= (current_world_ * 0x40)) {
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ow_map_canvas_.DrawRect(each.x_, each.y_, 16, 16,
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ImVec4(210, 24, 210, 150));
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std::string str = absl::StrFormat("%#x", each.entrance_id_);
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ow_map_canvas_.DrawText(str, each.x_ - 4, each.y_ - 2);
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}
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}
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}
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// ----------------------------------------------------------------------------
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void OverworldEditor::DrawOverworldMaps() {
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int xx = 0;
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int yy = 0;
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for (int i = 0; i < 0x40; i++) {
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int world_index = i + (current_world_ * 0x40);
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int map_x = (xx * 0x200);
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int map_y = (yy * 0x200);
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ow_map_canvas_.DrawBitmap(maps_bmp_[world_index], map_x, map_y);
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xx++;
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if (xx >= 8) {
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yy++;
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xx = 0;
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}
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DrawOverworldEntrances();
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}
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}
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// ----------------------------------------------------------------------------
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// Overworld Editor canvas
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// Allows the user to make changes to the overworld map.
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void OverworldEditor::DrawOverworldCanvas() {
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DrawOverworldMapSettings();
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ImGui::Separator();
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if (ImGuiID child_id = ImGui::GetID((void *)(intptr_t)7);
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ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
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ImGuiWindowFlags_AlwaysVerticalScrollbar |
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ImGuiWindowFlags_AlwaysHorizontalScrollbar)) {
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ow_map_canvas_.DrawBackground(ImVec2(0x200 * 8, 0x200 * 8));
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ow_map_canvas_.DrawContextMenu();
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if (overworld_.isLoaded()) {
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DrawOverworldMaps();
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// User has selected a tile they want to draw from the blockset.
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if (!blockset_canvas_.Points().empty()) {
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int x = blockset_canvas_.Points().front().x / 32;
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int y = blockset_canvas_.Points().front().y / 32;
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std::cout << x << " " << y << std::endl;
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current_tile16_ = x + (y * 8);
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std::cout << current_tile16_ << std::endl;
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ow_map_canvas_.DrawTilePainter(tile16_individual_[current_tile16_], 16);
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}
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}
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ow_map_canvas_.DrawGrid(64.0f);
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ow_map_canvas_.DrawOverlay();
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}
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ImGui::EndChild();
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}
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// ----------------------------------------------------------------------------
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// Tile 16 Selector
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// Displays all the tiles in the game.
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void OverworldEditor::DrawTile16Selector() {
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blockset_canvas_.DrawBackground(ImVec2(0x100 + 1, (8192 * 2) + 1));
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blockset_canvas_.DrawContextMenu();
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blockset_canvas_.DrawBitmap(tile16_blockset_bmp_, 2, map_blockset_loaded_);
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blockset_canvas_.DrawTileSelector(32);
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blockset_canvas_.DrawGrid(32.0f);
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blockset_canvas_.DrawOverlay();
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}
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// ----------------------------------------------------------------------------
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// Tile 8 Selector
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// Displays all the individual tiles that make up a tile16.
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void OverworldEditor::DrawTile8Selector() {
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graphics_bin_canvas_.DrawBackground(
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ImVec2(0x100 + 1, kNumSheetsToLoad * 0x40 + 1));
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graphics_bin_canvas_.DrawContextMenu();
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if (all_gfx_loaded_) {
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for (const auto &[key, value] : graphics_bin_) {
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int offset = 0x40 * (key + 1);
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int top_left_y = graphics_bin_canvas_.GetZeroPoint().y + 2;
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if (key >= 1) {
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top_left_y = graphics_bin_canvas_.GetZeroPoint().y + 0x40 * key;
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}
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graphics_bin_canvas_.GetDrawList()->AddImage(
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(void *)value.GetTexture(),
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ImVec2(graphics_bin_canvas_.GetZeroPoint().x + 2, top_left_y),
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ImVec2(graphics_bin_canvas_.GetZeroPoint().x + 0x100,
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graphics_bin_canvas_.GetZeroPoint().y + offset));
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}
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}
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graphics_bin_canvas_.DrawGrid(16.0f);
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graphics_bin_canvas_.DrawOverlay();
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}
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// ----------------------------------------------------------------------------
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// Displays the graphics tilesheets that are available on the current selected
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// overworld map.
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void OverworldEditor::DrawAreaGraphics() {
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current_gfx_canvas_.DrawBackground(ImVec2(256 + 1, 0x10 * 0x40 + 1));
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current_gfx_canvas_.DrawContextMenu();
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current_gfx_canvas_.DrawTileSelector(32);
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current_gfx_canvas_.DrawBitmap(current_gfx_bmp_, 2, overworld_.isLoaded());
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current_gfx_canvas_.DrawGrid(32.0f);
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current_gfx_canvas_.DrawOverlay();
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}
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// ----------------------------------------------------------------------------
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void OverworldEditor::DrawTileSelector() {
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if (ImGui::BeginTabBar("##TabBar", ImGuiTabBarFlags_FittingPolicyScroll)) {
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if (ImGui::BeginTabItem("Tile16")) {
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if (ImGuiID child_id = ImGui::GetID((void *)(intptr_t)2);
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ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
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ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
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DrawTile16Selector();
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}
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ImGui::EndChild();
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("Tile8")) {
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if (ImGuiID child_id = ImGui::GetID((void *)(intptr_t)1);
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ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
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ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
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DrawTile8Selector();
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}
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ImGui::EndChild();
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ImGui::EndTabItem();
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}
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if (ImGui::BeginTabItem("Area Graphics")) {
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if (ImGuiID child_id = ImGui::GetID((void *)(intptr_t)3);
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ImGui::BeginChild(child_id, ImGui::GetContentRegionAvail(), true,
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ImGuiWindowFlags_AlwaysVerticalScrollbar)) {
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DrawAreaGraphics();
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}
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ImGui::EndChild();
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ImGui::EndTabItem();
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}
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ImGui::EndTabBar();
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}
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}
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// ----------------------------------------------------------------------------
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absl::Status OverworldEditor::LoadGraphics() {
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// Load all of the graphics data from the game.
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PRINT_IF_ERROR(rom_.LoadAllGraphicsData())
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graphics_bin_ = rom_.GetGraphicsBin();
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// Load the Link to the Past overworld.
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RETURN_IF_ERROR(overworld_.Load(rom_))
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palette_ = overworld_.AreaPalette();
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current_gfx_bmp_.Create(0x80, 0x200, 0x40, overworld_.AreaGraphics());
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current_gfx_bmp_.ApplyPalette(palette_);
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rom_.RenderBitmap(¤t_gfx_bmp_);
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// Create the tile16 blockset image
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tile16_blockset_bmp_.Create(0x80, 8192, 0x80, overworld_.Tile16Blockset());
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tile16_blockset_bmp_.ApplyPalette(palette_);
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rom_.RenderBitmap(&tile16_blockset_bmp_);
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map_blockset_loaded_ = true;
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// Copy the tile16 data into individual tiles.
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auto tile16_data = overworld_.Tile16Blockset();
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// Loop through the tiles and copy their pixel data into separate vectors
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for (int i = 0; i < 4096; i++) {
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// Create a new vector for the pixel data of the current tile
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Bytes tile_data;
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for (int j = 0; j < 32 * 32; j++) tile_data.push_back(0x00);
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// Copy the pixel data for the current tile into the vector
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for (int ty = 0; ty < 32; ty++) {
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for (int tx = 0; tx < 32; tx++) {
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int position = (tx + (ty * 0x20));
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uchar value = tile16_data[i + tx + (ty * 0x80)];
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tile_data[position] = value;
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}
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}
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// Add the vector for the current tile to the vector of tile pixel data
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tile16_individual_data_.push_back(tile_data);
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}
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// Render the bitmaps of each tile.
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for (int id = 0; id < 4096; id++) {
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gfx::Bitmap new_tile16;
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tile16_individual_.emplace_back(new_tile16);
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tile16_individual_[id].Create(0x10, 0x10, 0x80,
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tile16_individual_data_[id]);
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tile16_individual_[id].ApplyPalette(palette_);
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rom_.RenderBitmap(&tile16_individual_[id]);
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}
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// Render the overworld maps loaded from the ROM.
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for (int i = 0; i < core::kNumOverworldMaps; ++i) {
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overworld_.SetCurrentMap(i);
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auto palette = overworld_.AreaPalette();
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maps_bmp_[i].Create(0x200, 0x200, 0x200, overworld_.BitmapData());
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maps_bmp_[i].ApplyPalette(palette);
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rom_.RenderBitmap(&(maps_bmp_[i]));
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}
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return absl::OkStatus();
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}
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} // namespace editor
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} // namespace app
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} // namespace yaze
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