diff --git a/src/client/meson.build b/src/client/meson.build
index 20d8436..28d4a2c 100644
--- a/src/client/meson.build
+++ b/src/client/meson.build
@@ -1,54 +1,54 @@
 client_src = [
-    '../shared/crypto.cpp',
-    '../shared/geom.cpp',
-    '../shared/glemu.cpp',
-    '../shared/stream.cpp',
-    '../shared/tools.cpp',
-    '../shared/zip.cpp',
-    '../engine/aa.cpp',
-    '../engine/bih.cpp',
-    '../engine/blend.cpp',
-    '../engine/client.cpp',
-    '../engine/command.cpp',
-    '../engine/console.cpp',
-    '../engine/dynlight.cpp',
-    '../engine/grass.cpp',
-    '../engine/light.cpp',
-    '../engine/main.cpp',
-    '../engine/material.cpp',
-    '../engine/menus.cpp',
-    '../engine/movie.cpp',
-    '../engine/normal.cpp',
-    '../engine/octa.cpp',
-    '../engine/octaedit.cpp',
-    '../engine/octarender.cpp',
-    '../engine/physics.cpp',
-    '../engine/pvs.cpp',
-    '../engine/rendergl.cpp',
-    '../engine/renderlights.cpp',
-    '../engine/rendermodel.cpp',
-    '../engine/renderparticles.cpp',
-    '../engine/rendersky.cpp',
-    '../engine/rendertext.cpp',
-    '../engine/renderva.cpp',
-    '../engine/server.cpp',
-    '../engine/serverbrowser.cpp',
-    '../engine/shader.cpp',
-    '../engine/stain.cpp',
-    '../engine/texture.cpp',
-    '../engine/ui.cpp',
-    '../engine/water.cpp',
-    '../engine/world.cpp',
-    '../engine/worldio.cpp',
-    '../game/ai.cpp',
-    '../game/client.cpp',
-    '../game/entities.cpp',
-    '../game/game.cpp',
-    '../game/render.cpp',
-    '../game/scoreboard.cpp',
-    '../game/server.cpp',
-    '../game/waypoint.cpp',
-    '../game/weapon.cpp'
+    '../shared/crypto.cc',
+    '../shared/geom.cc',
+    '../shared/glemu.cc',
+    '../shared/stream.cc',
+    '../shared/tools.cc',
+    '../shared/zip.cc',
+    '../engine/aa.cc',
+    '../engine/bih.cc',
+    '../engine/blend.cc',
+    '../engine/client.cc',
+    '../engine/command.cc',
+    '../engine/console.cc',
+    '../engine/dynlight.cc',
+    '../engine/grass.cc',
+    '../engine/light.cc',
+    '../engine/main.cc',
+    '../engine/material.cc',
+    '../engine/menus.cc',
+    '../engine/movie.cc',
+    '../engine/normal.cc',
+    '../engine/octa.cc',
+    '../engine/octaedit.cc',
+    '../engine/octarender.cc',
+    '../engine/physics.cc',
+    '../engine/pvs.cc',
+    '../engine/rendergl.cc',
+    '../engine/renderlights.cc',
+    '../engine/rendermodel.cc',
+    '../engine/renderparticles.cc',
+    '../engine/rendersky.cc',
+    '../engine/rendertext.cc',
+    '../engine/renderva.cc',
+    '../engine/server.cc',
+    '../engine/serverbrowser.cc',
+    '../engine/shader.cc',
+    '../engine/stain.cc',
+    '../engine/texture.cc',
+    '../engine/ui.cc',
+    '../engine/water.cc',
+    '../engine/world.cc',
+    '../engine/worldio.cc',
+    '../game/ai.cc',
+    '../game/client.cc',
+    '../game/entities.cc',
+    '../game/game.cc',
+    '../game/render.cc',
+    '../game/scoreboard.cc',
+    '../game/server.cc',
+    '../game/waypoint.cc',
+    '../game/weapon.cc'
 ]
 
 threads_dep = dependency('threads')
diff --git a/src/engine/aa.cpp b/src/engine/aa.cc
similarity index 100%
rename from src/engine/aa.cpp
rename to src/engine/aa.cc
diff --git a/src/engine/bih.cpp b/src/engine/bih.cc
similarity index 100%
rename from src/engine/bih.cpp
rename to src/engine/bih.cc
diff --git a/src/engine/blend.cpp b/src/engine/blend.cc
similarity index 100%
rename from src/engine/blend.cpp
rename to src/engine/blend.cc
diff --git a/src/engine/client.cpp b/src/engine/client.cc
similarity index 100%
rename from src/engine/client.cpp
rename to src/engine/client.cc
diff --git a/src/engine/command.cpp b/src/engine/command.cc
similarity index 100%
rename from src/engine/command.cpp
rename to src/engine/command.cc
diff --git a/src/engine/console.cpp b/src/engine/console.cc
similarity index 100%
rename from src/engine/console.cpp
rename to src/engine/console.cc
diff --git a/src/engine/dynlight.cpp b/src/engine/dynlight.cc
similarity index 100%
rename from src/engine/dynlight.cpp
rename to src/engine/dynlight.cc
diff --git a/src/engine/grass.cpp b/src/engine/grass.cc
similarity index 100%
rename from src/engine/grass.cpp
rename to src/engine/grass.cc
diff --git a/src/engine/light.cpp b/src/engine/light.cc
similarity index 100%
rename from src/engine/light.cpp
rename to src/engine/light.cc
diff --git a/src/engine/main.cpp b/src/engine/main.cc
similarity index 100%
rename from src/engine/main.cpp
rename to src/engine/main.cc
diff --git a/src/engine/master.cpp b/src/engine/master.cc
similarity index 100%
rename from src/engine/master.cpp
rename to src/engine/master.cc
diff --git a/src/engine/material.cpp b/src/engine/material.cc
similarity index 100%
rename from src/engine/material.cpp
rename to src/engine/material.cc
diff --git a/src/engine/menus.cpp b/src/engine/menus.cc
similarity index 100%
rename from src/engine/menus.cpp
rename to src/engine/menus.cc
diff --git a/src/engine/movie.cpp b/src/engine/movie.cc
similarity index 100%
rename from src/engine/movie.cpp
rename to src/engine/movie.cc
diff --git a/src/engine/normal.cpp b/src/engine/normal.cc
similarity index 100%
rename from src/engine/normal.cpp
rename to src/engine/normal.cc
diff --git a/src/engine/octa.cpp b/src/engine/octa.cc
similarity index 100%
rename from src/engine/octa.cpp
rename to src/engine/octa.cc
diff --git a/src/engine/octaedit.cpp b/src/engine/octaedit.cc
similarity index 100%
rename from src/engine/octaedit.cpp
rename to src/engine/octaedit.cc
diff --git a/src/engine/octarender.cpp b/src/engine/octarender.cc
similarity index 100%
rename from src/engine/octarender.cpp
rename to src/engine/octarender.cc
diff --git a/src/engine/physics.cpp b/src/engine/physics.cc
similarity index 100%
rename from src/engine/physics.cpp
rename to src/engine/physics.cc
diff --git a/src/engine/pvs.cpp b/src/engine/pvs.cc
similarity index 100%
rename from src/engine/pvs.cpp
rename to src/engine/pvs.cc
diff --git a/src/engine/rendergl.cpp b/src/engine/rendergl.cc
similarity index 100%
rename from src/engine/rendergl.cpp
rename to src/engine/rendergl.cc
diff --git a/src/engine/renderlights.cpp b/src/engine/renderlights.cc
similarity index 100%
rename from src/engine/renderlights.cpp
rename to src/engine/renderlights.cc
diff --git a/src/engine/rendermodel.cpp b/src/engine/rendermodel.cc
similarity index 100%
rename from src/engine/rendermodel.cpp
rename to src/engine/rendermodel.cc
diff --git a/src/engine/renderparticles.cpp b/src/engine/renderparticles.cc
similarity index 100%
rename from src/engine/renderparticles.cpp
rename to src/engine/renderparticles.cc
diff --git a/src/engine/rendersky.cpp b/src/engine/rendersky.cc
similarity index 100%
rename from src/engine/rendersky.cpp
rename to src/engine/rendersky.cc
diff --git a/src/engine/rendertext.cpp b/src/engine/rendertext.cc
similarity index 100%
rename from src/engine/rendertext.cpp
rename to src/engine/rendertext.cc
diff --git a/src/engine/renderva.cpp b/src/engine/renderva.cc
similarity index 100%
rename from src/engine/renderva.cpp
rename to src/engine/renderva.cc
diff --git a/src/engine/server.cpp b/src/engine/server.cc
similarity index 100%
rename from src/engine/server.cpp
rename to src/engine/server.cc
diff --git a/src/engine/serverbrowser.cpp b/src/engine/serverbrowser.cc
similarity index 100%
rename from src/engine/serverbrowser.cpp
rename to src/engine/serverbrowser.cc
diff --git a/src/engine/shader.cpp b/src/engine/shader.cc
similarity index 100%
rename from src/engine/shader.cpp
rename to src/engine/shader.cc
diff --git a/src/engine/stain.cpp b/src/engine/stain.cc
similarity index 100%
rename from src/engine/stain.cpp
rename to src/engine/stain.cc
diff --git a/src/engine/texture.cpp b/src/engine/texture.cc
similarity index 100%
rename from src/engine/texture.cpp
rename to src/engine/texture.cc
diff --git a/src/engine/ui.cpp b/src/engine/ui.cc
similarity index 100%
rename from src/engine/ui.cpp
rename to src/engine/ui.cc
diff --git a/src/engine/water.cpp b/src/engine/water.cc
similarity index 100%
rename from src/engine/water.cpp
rename to src/engine/water.cc
diff --git a/src/engine/world.cpp b/src/engine/world.cc
similarity index 100%
rename from src/engine/world.cpp
rename to src/engine/world.cc
diff --git a/src/engine/worldio.cpp b/src/engine/worldio.cc
similarity index 100%
rename from src/engine/worldio.cpp
rename to src/engine/worldio.cc
diff --git a/src/game/ai.cpp b/src/game/ai.cc
similarity index 100%
rename from src/game/ai.cpp
rename to src/game/ai.cc
diff --git a/src/game/client.cpp b/src/game/client.cc
similarity index 100%
rename from src/game/client.cpp
rename to src/game/client.cc
diff --git a/src/game/entities.cpp b/src/game/entities.cc
similarity index 100%
rename from src/game/entities.cpp
rename to src/game/entities.cc
diff --git a/src/game/game.cpp b/src/game/game.cc
similarity index 100%
rename from src/game/game.cpp
rename to src/game/game.cc
diff --git a/src/game/render.cpp b/src/game/render.cc
similarity index 100%
rename from src/game/render.cpp
rename to src/game/render.cc
diff --git a/src/game/scoreboard.cpp b/src/game/scoreboard.cc
similarity index 100%
rename from src/game/scoreboard.cpp
rename to src/game/scoreboard.cc
diff --git a/src/game/server.cpp b/src/game/server.cc
similarity index 100%
rename from src/game/server.cpp
rename to src/game/server.cc
diff --git a/src/game/waypoint.cpp b/src/game/waypoint.cc
similarity index 100%
rename from src/game/waypoint.cpp
rename to src/game/waypoint.cc
diff --git a/src/game/weapon.cpp b/src/game/weapon.cc
similarity index 100%
rename from src/game/weapon.cpp
rename to src/game/weapon.cc
diff --git a/src/master/meson.build b/src/master/meson.build
index ca2f375..61ae08f 100644
--- a/src/master/meson.build
+++ b/src/master/meson.build
@@ -1,9 +1,9 @@
 client_src = [
-    '../shared/crypto.cpp',
-    '../shared/stream.cpp',
-    '../shared/tools.cpp',
-    '../engine/command.cpp',
-    '../engine/master.cpp'
+    '../shared/crypto.cc',
+    '../shared/stream.cc',
+    '../shared/tools.cc',
+    '../engine/command.cc',
+    '../engine/master.cc'
 ]
 
 threads_dep = dependency('threads')
diff --git a/src/server/meson.build b/src/server/meson.build
index 40b5ddc..e96309a 100644
--- a/src/server/meson.build
+++ b/src/server/meson.build
@@ -1,12 +1,12 @@
 client_src = [
-    '../shared/crypto.cpp',
-    '../shared/stream.cpp',
-    '../shared/tools.cpp',
-    '../engine/command.cpp',
-    '../engine/server.cpp',
-    '../engine/worldio.cpp',
-    '../game/entities.cpp',
-    '../game/server.cpp'
+    '../shared/crypto.cc',
+    '../shared/stream.cc',
+    '../shared/tools.cc',
+    '../engine/command.cc',
+    '../engine/server.cc',
+    '../engine/worldio.cc',
+    '../game/entities.cc',
+    '../game/server.cc'
 ]
 
 threads_dep = dependency('threads')
diff --git a/src/shared/crypto.cpp b/src/shared/crypto.cc
similarity index 100%
rename from src/shared/crypto.cpp
rename to src/shared/crypto.cc
diff --git a/src/shared/geom.cpp b/src/shared/geom.cc
similarity index 100%
rename from src/shared/geom.cpp
rename to src/shared/geom.cc
diff --git a/src/shared/glemu.cpp b/src/shared/glemu.cc
similarity index 100%
rename from src/shared/glemu.cpp
rename to src/shared/glemu.cc
diff --git a/src/shared/stream.cpp b/src/shared/stream.cc
similarity index 100%
rename from src/shared/stream.cpp
rename to src/shared/stream.cc
diff --git a/src/shared/tools.cpp b/src/shared/tools.cc
similarity index 100%
rename from src/shared/tools.cpp
rename to src/shared/tools.cc
diff --git a/src/shared/zip.cpp b/src/shared/zip.cc
similarity index 100%
rename from src/shared/zip.cpp
rename to src/shared/zip.cc