From 064652034c988b5568196450330eeab97dd10280 Mon Sep 17 00:00:00 2001
From: Freya Murphy <freya@freyacat.org>
Date: Tue, 18 Nov 2025 11:58:16 -0500
Subject: wasm: add build version/date

---
 Makefile            | 14 ++++++++------
 game/www/index.html |  5 +++++
 game/www/style.css  |  1 +
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 75f3d0d..1e34988 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,6 @@
 .PHONY: web test dist clean realclean
 
-ASSETS_SRC = $(wildcard game/www/*)
-ASSETS_DST = $(patsubst game/www/%,dist/%,$(ASSETS_SRC))
+ASSETS = $(wildcard game/www/*)
 
 TEST_PORT ?= 8000
 
@@ -13,7 +12,10 @@ EMCC_CFLAGS := -O3 \
 			   -sGL_ENABLE_GET_PROC_ADDRESS=1 \
 			   -sEXPORTED_RUNTIME_METHODS=HEAPF32,ccall,cwrap,callMain
 
-web: dist $(ASSETS_DST)
+BUILD_DATE := $(shell date)
+BUILD_VERSION := $(shell cargo pkgid -p game | cut -d '#' -f2)
+
+web: dist
 
 test: web
 	cd dist && python3 -m http.server $(TEST_PORT)
@@ -26,9 +28,9 @@ dist:
 	mkdir -p dist
 	cp ./target/wasm32-unknown-emscripten/wasm/game.js dist/game.js
 	cp ./target/wasm32-unknown-emscripten/wasm/game.wasm dist/game.wasm
-
-dist/%: game/www/%
-	cp -r $< $@
+	cp $(ASSETS) dist/
+	sed -i 's/BUILD_VERSION/$(BUILD_VERSION)/' dist/index.html
+	sed -i 's/BUILD_DATE/$(BUILD_DATE)/' dist/index.html
 
 clean:
 	rm -rf dist
diff --git a/game/www/index.html b/game/www/index.html
index 6210bb7..3c1805e 100644
--- a/game/www/index.html
+++ b/game/www/index.html
@@ -82,11 +82,16 @@
 				Module.callMain(args)
 			}
 
+			function onRuntimeInitialized() {
+				outputLog('Loaded DungeonCrawl vBUILD_VERSION, built BUILD_DATE');
+			}
+
 	        var Module = {
 	            canvas,
 				print: outputLog,
 				printErr: errorLog,
 				noInitialRun: true,
+				onRuntimeInitialized,
 	        };
 	    </script>
 	    <script src="game.js"></script>
diff --git a/game/www/style.css b/game/www/style.css
index 70595a4..82ae311 100644
--- a/game/www/style.css
+++ b/game/www/style.css
@@ -23,6 +23,7 @@
 
 body, html {
 	height: 100%;
+	min-width: 700px;
 	margin: 0;
 	padding: 0;
 	overflow: hidden;
-- 
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