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Viewport support within Dalamud

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This commit is contained in:
Liam 2021-03-29 12:33:26 -04:00
parent 81e50bec6c
commit 19f77d2e6e
4 changed files with 62 additions and 21 deletions
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23
Dalamud/Game/Internal/Gui/GameGui.cs
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@ -2,6 +2,7 @@ using System;
using System.Runtime.InteropServices;
using Dalamud.Game.Chat.SeStringHandling.Payloads;
using Dalamud.Hooking;
using ImGuiNET;
using Serilog;
using SharpDX;
@ -287,6 +288,8 @@ namespace Dalamud.Game.Internal.Gui {
// Read current ViewProjectionMatrix plus game window size
var viewProjectionMatrix = new Matrix();
float width, height;
var windowPos = ImGui.GetMainViewport().Pos;
unsafe {
var rawMatrix = (float*) (matrixSingleton + 0x1b4).ToPointer();
@ -301,10 +304,12 @@ namespace Dalamud.Game.Internal.Gui {
screenPos = new Vector2(pCoords.X / pCoords.Z, pCoords.Y / pCoords.Z);
screenPos.X = 0.5f * width * (screenPos.X + 1f);
screenPos.Y = 0.5f * height * (1f - screenPos.Y);
screenPos.X = 0.5f * width * (screenPos.X + 1f) + windowPos.X;
screenPos.Y = 0.5f * height * (1f - screenPos.Y) + windowPos.Y;
return pCoords.Z > 0;
return pCoords.Z > 0 &&
screenPos.X > windowPos.X && screenPos.X < windowPos.X + width &&
screenPos.Y > windowPos.Y && screenPos.Y < windowPos.Y + height;
}
/// <summary>
@ -316,6 +321,18 @@ namespace Dalamud.Game.Internal.Gui {
/// <returns>True if successful. On false, worldPos's contents are undefined</returns>
public bool ScreenToWorld(Vector2 screenPos, out Vector3 worldPos, float rayDistance = 100000.0f)
{
// The game is only visible in the main viewport, so if the cursor is outside
// of the game window, do not bother calculating anything
var windowPos = ImGui.GetMainViewport().Pos;
var windowSize = ImGui.GetMainViewport().Size;
if (screenPos.X < windowPos.X || screenPos.X > windowPos.X + windowSize.X ||
screenPos.Y < windowPos.Y || screenPos.Y > windowPos.Y + windowSize.Y)
{
worldPos = new Vector3();
return false;
}
// Get base object with matrices
var matrixSingleton = this.getMatrixSingleton();