Implement more GameClient stuff

[jonwil]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 364 lines in your changes are missing coverage. Please review.

Comparison is base (9cec511) 2.58% compared to head (a33e8f9) 2.57%.

Files	Patch %	Lines
src/game/client/gameclient.cpp	0.00%	173 Missing ⚠️
src/game/client/gui/imemanager.cpp	0.00%	48 Missing ⚠️
src/game/client/system/campaignmanager.cpp	0.00%	44 Missing ⚠️
src/game/client/gui/shell/shellmenuscheme.cpp	0.00%	34 Missing ⚠️
src/game/client/eva.cpp	0.00%	28 Missing ⚠️
src/game/client/gui/headertemplate.cpp	0.00%	18 Missing ⚠️
src/platform/w3dengine/client/w3dscene.cpp	0.00%	6 Missing ⚠️
src/game/client/videoplayer/videoplayer.cpp	0.00%	5 Missing ⚠️
src/game/client/ingameui.cpp	0.00%	1 Missing ⚠️
.../game/client/system/particlesystem/particlesys.cpp	0.00%	1 Missing ⚠️
... and 6 more

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1080      +/-   ##
===========================================
- Coverage     2.58%    2.57%   -0.01%     
===========================================
  Files          941      943       +2     
  Lines       108476   108838     +362     
  Branches     18500    18565      +65     
===========================================
  Hits          2799     2799              
- Misses      105273   105635     +362     
  Partials       404      404              

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[xezon]

After EA Logo video, there is no Sizzle video, game just stays black.

[jonwil]

Missing video fixed.

[xezon]

EA Logo video works
Sizzle video works
Shell menu and map works
Keyboard works
Eva works
Mouse works
Drawables shrouded update works
String display works
Terrain works
InGameUI works
Header Templates work
Campaign works
Challenge works
Online menus work

IME Manager not tested

[xezon]

Shell Map looks as usual.
No new crashes encountered.