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authorrtk0c <[email protected]>2023-10-19 22:50:07 -0700
committerrtk0c <[email protected]>2023-10-19 22:50:07 -0700
commit2c92e07f337e42cf58970443f9de678f85a9b2a4 (patch)
tree075d5407e1e12a9d35cbee6e4c20ad34e0765c42 /source/10-editor-common/ImGuiGuizmo.hpp
parent615809c036f604bce4582cea8ad49c64693f4f45 (diff)
The great renaming: switch to "module style"
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-// https://github.com/CedricGuillemet/ImGuizmo
-// v 1.84 WIP
-//
-// The MIT License(MIT)
-//
-// Copyright(c) 2021 Cedric Guillemet
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files(the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions :
-//
-// The above copyright notice and this permission notice shall be included in all
-// copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-// SOFTWARE.
-//
-// -------------------------------------------------------------------------------------------
-// History :
-// 2019/11/03 View gizmo
-// 2016/09/11 Behind camera culling. Scaling Delta matrix not multiplied by source matrix scales. local/world rotation and translation fixed. Display message is incorrect (X: ... Y:...) in local mode.
-// 2016/09/09 Hatched negative axis. Snapping. Documentation update.
-// 2016/09/04 Axis switch and translation plan autohiding. Scale transform stability improved
-// 2016/09/01 Mogwai changed to Manipulate. Draw debug cube. Fixed inverted scale. Mixing scale and translation/rotation gives bad results.
-// 2016/08/31 First version
-//
-// -------------------------------------------------------------------------------------------
-// Future (no order):
-//
-// - Multi view
-// - display rotation/translation/scale infos in local/world space and not only local
-// - finish local/world matrix application
-// - OPERATION as bitmask
-//
-// -------------------------------------------------------------------------------------------
-// Example
-#if 0
-void EditTransform(const Camera& camera, matrix_t& matrix)
-{
- static ImGuizmo::OPERATION mCurrentGizmoOperation(ImGuizmo::ROTATE);
- static ImGuizmo::MODE mCurrentGizmoMode(ImGuizmo::WORLD);
- if (ImGui::IsKeyPressed(90))
- mCurrentGizmoOperation = ImGuizmo::TRANSLATE;
- if (ImGui::IsKeyPressed(69))
- mCurrentGizmoOperation = ImGuizmo::ROTATE;
- if (ImGui::IsKeyPressed(82)) // r Key
- mCurrentGizmoOperation = ImGuizmo::SCALE;
- if (ImGui::RadioButton("Translate", mCurrentGizmoOperation == ImGuizmo::TRANSLATE))
- mCurrentGizmoOperation = ImGuizmo::TRANSLATE;
- ImGui::SameLine();
- if (ImGui::RadioButton("Rotate", mCurrentGizmoOperation == ImGuizmo::ROTATE))
- mCurrentGizmoOperation = ImGuizmo::ROTATE;
- ImGui::SameLine();
- if (ImGui::RadioButton("Scale", mCurrentGizmoOperation == ImGuizmo::SCALE))
- mCurrentGizmoOperation = ImGuizmo::SCALE;
- float matrixTranslation[3], matrixRotation[3], matrixScale[3];
- ImGuizmo::DecomposeMatrixToComponents(matrix.m16, matrixTranslation, matrixRotation, matrixScale);
- ImGui::InputFloat3("Tr", matrixTranslation, 3);
- ImGui::InputFloat3("Rt", matrixRotation, 3);
- ImGui::InputFloat3("Sc", matrixScale, 3);
- ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, matrix.m16);
-
- if (mCurrentGizmoOperation != ImGuizmo::SCALE)
- {
- if (ImGui::RadioButton("Local", mCurrentGizmoMode == ImGuizmo::LOCAL))
- mCurrentGizmoMode = ImGuizmo::LOCAL;
- ImGui::SameLine();
- if (ImGui::RadioButton("World", mCurrentGizmoMode == ImGuizmo::WORLD))
- mCurrentGizmoMode = ImGuizmo::WORLD;
- }
- static bool useSnap(false);
- if (ImGui::IsKeyPressed(83))
- useSnap = !useSnap;
- ImGui::Checkbox("", &useSnap);
- ImGui::SameLine();
- vec_t snap;
- switch (mCurrentGizmoOperation)
- {
- case ImGuizmo::TRANSLATE:
- snap = config.mSnapTranslation;
- ImGui::InputFloat3("Snap", &snap.x);
- break;
- case ImGuizmo::ROTATE:
- snap = config.mSnapRotation;
- ImGui::InputFloat("Angle Snap", &snap.x);
- break;
- case ImGuizmo::SCALE:
- snap = config.mSnapScale;
- ImGui::InputFloat("Scale Snap", &snap.x);
- break;
- }
- ImGuiIO& io = ImGui::GetIO();
- ImGuizmo::SetRect(0, 0, io.DisplaySize.x, io.DisplaySize.y);
- ImGuizmo::Manipulate(camera.mView.m16, camera.mProjection.m16, mCurrentGizmoOperation, mCurrentGizmoMode, matrix.m16, NULL, useSnap ? &snap.x : NULL);
-}
-#endif
-#pragma once
-
-#ifdef USE_IMGUI_API
-# include "imconfig.h"
-#endif
-#ifndef IMGUI_API
-# define IMGUI_API
-#endif
-
-// NOTE(hnosm): added so that we don't have to force #include <ImGuizmo.h> after everything else
-#include <imgui.h>
-
-#ifndef IMGUIZMO_NAMESPACE
-# define IMGUIZMO_NAMESPACE ImGuizmo
-#endif
-
-namespace IMGUIZMO_NAMESPACE {
-// call inside your own window and before Manipulate() in order to draw gizmo to that window.
-// Or pass a specific ImDrawList to draw to (e.g. ImGui::GetForegroundDrawList()).
-IMGUI_API void SetDrawlist(ImDrawList* drawlist = nullptr);
-
-// call BeginFrame right after ImGui_XXXX_NewFrame();
-IMGUI_API void BeginFrame();
-
-// this is necessary because when imguizmo is compiled into a dll, and imgui into another
-// globals are not shared between them.
-// More details at https://stackoverflow.com/questions/19373061/what-happens-to-global-and-static-variables-in-a-shared-library-when-it-is-dynam
-// expose method to set imgui context
-IMGUI_API void SetImGuiContext(ImGuiContext* ctx);
-
-// return true if mouse cursor is over any gizmo control (axis, plan or screen component)
-IMGUI_API bool IsOver();
-
-// return true if mouse IsOver or if the gizmo is in moving state
-IMGUI_API bool IsUsing();
-
-// enable/disable the gizmo. Stay in the state until next call to Enable.
-// gizmo is rendered with gray half transparent color when disabled
-IMGUI_API void Enable(bool enable);
-
-// helper functions for manualy editing translation/rotation/scale with an input float
-// translation, rotation and scale float points to 3 floats each
-// Angles are in degrees (more suitable for human editing)
-// example:
-// float matrixTranslation[3], matrixRotation[3], matrixScale[3];
-// ImGuizmo::DecomposeMatrixToComponents(gizmoMatrix.m16, matrixTranslation, matrixRotation, matrixScale);
-// ImGui::InputFloat3("Tr", matrixTranslation, 3);
-// ImGui::InputFloat3("Rt", matrixRotation, 3);
-// ImGui::InputFloat3("Sc", matrixScale, 3);
-// ImGuizmo::RecomposeMatrixFromComponents(matrixTranslation, matrixRotation, matrixScale, gizmoMatrix.m16);
-//
-// These functions have some numerical stability issues for now. Use with caution.
-IMGUI_API void DecomposeMatrixToComponents(const float* matrix, float* translation, float* rotation, float* scale);
-IMGUI_API void RecomposeMatrixFromComponents(const float* translation, const float* rotation, const float* scale, float* matrix);
-
-IMGUI_API void SetRect(float x, float y, float width, float height);
-// default is false
-IMGUI_API void SetOrthographic(bool isOrthographic);
-
-// Render a cube with face color corresponding to face normal. Usefull for debug/tests
-IMGUI_API void DrawCubes(const float* view, const float* projection, const float* matrices, int matrixCount);
-IMGUI_API void DrawGrid(const float* view, const float* projection, const float* matrix, const float gridSize);
-
-// call it when you want a gizmo
-// Needs view and projection matrices.
-// matrix parameter is the source matrix (where will be gizmo be drawn) and might be transformed by the function. Return deltaMatrix is optional
-// translation is applied in world space
-enum OPERATION {
- TRANSLATE_X = (1u << 0),
- TRANSLATE_Y = (1u << 1),
- TRANSLATE_Z = (1u << 2),
- ROTATE_X = (1u << 3),
- ROTATE_Y = (1u << 4),
- ROTATE_Z = (1u << 5),
- ROTATE_SCREEN = (1u << 6),
- SCALE_X = (1u << 7),
- SCALE_Y = (1u << 8),
- SCALE_Z = (1u << 9),
- BOUNDS = (1u << 10),
- SCALE_XU = (1u << 11),
- SCALE_YU = (1u << 12),
- SCALE_ZU = (1u << 13),
-
- TRANSLATE = TRANSLATE_X | TRANSLATE_Y | TRANSLATE_Z,
- ROTATE = ROTATE_X | ROTATE_Y | ROTATE_Z | ROTATE_SCREEN,
- SCALE = SCALE_X | SCALE_Y | SCALE_Z,
- SCALEU = SCALE_XU | SCALE_YU | SCALE_ZU, // universal
- UNIVERSAL = TRANSLATE | ROTATE | SCALEU
-};
-
-inline OPERATION operator|(OPERATION lhs, OPERATION rhs) {
- return static_cast<OPERATION>(static_cast<int>(lhs) | static_cast<int>(rhs));
-}
-
-enum MODE {
- LOCAL,
- WORLD
-};
-
-IMGUI_API bool Manipulate(
- const float* view,
- const float* projection,
- OPERATION operation,
- MODE mode,
- float* matrix,
- float* deltaMatrix = NULL,
- const float* snap = NULL,
- float* localBounds = NULL,
- const float* boundsSnap = NULL);
-
-//
-// Please note that this cubeview is patented by Autodesk : https://patents.google.com/patent/US7782319B2/en
-// It seems to be a defensive patent in the US. I don't think it will bring troubles using it as
-// other software are using the same mechanics. But just in case, you are now warned!
-//
-IMGUI_API void ViewManipulate(float* view, float length, ImVec2 position, ImVec2 size, ImU32 backgroundColor);
-
-IMGUI_API void SetID(int id);
-
-// return true if the cursor is over the operation's gizmo
-IMGUI_API bool IsOver(OPERATION op);
-IMGUI_API void SetGizmoSizeClipSpace(float value);
-
-// Allow axis to flip
-// When true (default), the guizmo axis flip for better visibility
-// When false, they always stay along the positive world/local axis
-IMGUI_API void AllowAxisFlip(bool value);
-} // namespace IMGUIZMO_NAMESPACE