Version stamping: 4.11.<git commit count> (<hash>[+])
4.10 = the 1995 arcade release; 4.11 = the win32 reconstruction; the
build number is the git commit count -- monotonic, zero-maintenance,
and every exe pins to exact source via the short hash ('+' = built
from an uncommitted tree). tools/btversion.cmake regenerates
build/btversion.h on every build (write-if-changed, no rebuild churn);
the stamp shows in the boot banner (btl4.log head, replacing the stale
'v4.10' line) and the window title (incl. the MP node tag).
Verified: build stamps 4.11.311 (980c9cd+), banner + title correct on
a live boot.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
arcattack
co-authored by
Claude Fable 5
Claude Fable 5
parent
980c9cd7e5
commit
fad962bec8
@@ -308,8 +308,19 @@ target_compile_options(bt410_l4 PRIVATE ${BT_OPTS})
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#===========================================================================#
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# Executable: btl4.exe (WinMain launcher + game lib + engine lib + D3D9/audio)
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#===========================================================================#
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# Version stamp: 4.11.<git commit count> (<short hash>[+]) regenerated every
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# build into ${CMAKE_BINARY_DIR}/btversion.h (see tools/btversion.cmake).
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add_custom_target(btversion
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COMMAND ${CMAKE_COMMAND}
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-DOUT=${CMAKE_BINARY_DIR}/btversion.h
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-DSRC=${CMAKE_SOURCE_DIR}
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-P ${CMAKE_SOURCE_DIR}/tools/btversion.cmake
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BYPRODUCTS ${CMAKE_BINARY_DIR}/btversion.h
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COMMENT "Stamping btversion.h")
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add_executable(btl4 WIN32 "${CMAKE_SOURCE_DIR}/game/btl4main.cpp")
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add_dependencies(btl4 btversion)
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target_include_directories(btl4 BEFORE PRIVATE
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"${CMAKE_BINARY_DIR}"
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"${CMAKE_SOURCE_DIR}/engine/shim"
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"${CMAKE_SOURCE_DIR}/game/reconstructed"
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"${CMAKE_SOURCE_DIR}/game/original/BT"
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@@ -12,6 +12,16 @@ the raw archive dumps. It builds and runs out of the box.
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> **License:** the game content (`content/`) and the original binary are proprietary to Virtual
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> World / the pod owner. This repository is **private**; do not redistribute.
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## Versioning
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`4.10` = the 1995 arcade release. `4.11` = this win32 reconstruction. Dev builds are
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**`4.11.<build>` where `<build>` is the git commit count** — monotonic and zero-maintenance —
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plus the short commit hash (`4.11.311 (980c9cd)`); a trailing `+` on the hash means the exe was
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built from an uncommitted working tree. The stamp regenerates every build
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(`tools/btversion.cmake` → `build/btversion.h`) and shows in the boot banner (`btl4.log` line 2)
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and the window title. To identify any player's build, ask for the title bar or the top of their
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`btl4.log`.
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---
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## Layout
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@@ -64,6 +64,13 @@ to a frozen abort dialog: `cdb -p <pid> -c ".lines;~*kp 30;q"`. [T2]
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- **`docs/`** — the detailed ledgers (incl. `PROGRESS_LOG.md`, the full pre-restructure CLAUDE.md).
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- **`tools/`** — btconsole.py, disas2.py, map/res scanners. **`context/`** — this knowledge base.
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## Versioning (2026-07-18)
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`4.10` = the 1995 arcade release; `4.11` = this win32 reconstruction; dev builds =
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**`4.11.<git commit count>` + short hash**, `+` suffix = built from an uncommitted tree
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(e.g. `4.11.311 (980c9cd+)`). Stamped every build by `tools/btversion.cmake` →
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`build/btversion.h` (`BT_VERSION_*` macros); shown in the boot banner (btl4.log head) and
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the window title. Ask a tester for their title bar / btl4.log head to identify a build.
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## Key Relationships
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- Base: [[wintesla-port]] (the engine build recipe).
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- Verify loop: [[reconstruction-method]]; env gates: [[decomp-reference]] §6.
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+9
-3
@@ -18,6 +18,7 @@
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// #define BT_HEAPCHECK // enable to validate the heap on every alloc (heap-corruption hunt)
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#include <windows.h>
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#include <shellapi.h> // CommandLineToArgvW
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#include <btversion.h> // generated: 4.11.<commit count> (<hash>)
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#include <crtdbg.h> // _CrtSetDbgFlag (heap validation, gated by BT_HEAPCHECK)
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#include <fstream>
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#include <iostream>
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@@ -326,7 +327,11 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
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fclose(file);
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}
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std::cout << "BattleTech v4.10 (reconstructed port)" << std::endl << std::flush;
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// Version scheme: 4.10 = the 1995 arcade release; 4.11 = this win32
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// reconstruction; build = git commit count, hash pins exact source
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// ('+' = built from an uncommitted tree). Stamped by tools/btversion.cmake.
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std::cout << "BattleTech " << BT_VERSION_FULL
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<< " (win32 reconstruction of Tesla 4.10)" << std::endl << std::flush;
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// CPU pin (timing stability). BT_AFFINITY overrides the mask; =0 disables --
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// required for multi-instance runs (two instances pinned to core 0 starve
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@@ -428,9 +433,10 @@ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine
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if (np != 0)
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sscanf(np + 4, " %d", &netPort);
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if (netPort > 0)
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swprintf(winTitle, 64, L"BattleTech \x2014 node %d", netPort);
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swprintf(winTitle, 64, L"BattleTech %S \x2014 node %d",
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BT_VERSION_STRING, netPort);
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else
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wcscpy(winTitle, L"BattleTech");
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swprintf(winTitle, 64, L"BattleTech %S", BT_VERSION_STRING);
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}
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hWnd = CreateWindowEx(0, L"MainWndClass", winTitle, WS_OVERLAPPEDWINDOW,
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0, 0, wr.right - wr.left, wr.bottom - wr.top,
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@@ -0,0 +1,52 @@
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# btversion.cmake -- generate btversion.h from git at BUILD time.
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#
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# Version scheme (2026-07-18): the arcade release is 4.10; the win32
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# reconstruction is 4.11; the BUILD number is the git commit count --
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# monotonic, zero-maintenance, and any build pins to exact source via the
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# hash. A '+' suffix marks an uncommitted working tree.
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#
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# Invoked: cmake -DOUT=<header> -DSRC=<repo root> -P btversion.cmake
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execute_process(COMMAND git rev-list --count HEAD
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WORKING_DIRECTORY "${SRC}"
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OUTPUT_VARIABLE BT_BUILD OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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execute_process(COMMAND git rev-parse --short HEAD
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WORKING_DIRECTORY "${SRC}"
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OUTPUT_VARIABLE BT_HASH OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_QUIET)
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execute_process(COMMAND git status --porcelain --untracked-files=no
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WORKING_DIRECTORY "${SRC}"
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OUTPUT_VARIABLE BT_DIRTY_RAW
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ERROR_QUIET)
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if(NOT BT_BUILD)
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set(BT_BUILD 0)
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endif()
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if(NOT BT_HASH)
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set(BT_HASH "nogit")
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endif()
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if(BT_DIRTY_RAW STREQUAL "")
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set(BT_DIRTY "")
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else()
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set(BT_DIRTY "+")
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endif()
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set(CONTENT "// generated by tools/btversion.cmake -- do not edit, not in git
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#define BT_VERSION_MAJOR 4
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#define BT_VERSION_MINOR 11
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#define BT_VERSION_BUILD ${BT_BUILD}
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#define BT_VERSION_STRING \"4.11.${BT_BUILD}\"
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#define BT_VERSION_HASH \"${BT_HASH}${BT_DIRTY}\"
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#define BT_VERSION_FULL \"4.11.${BT_BUILD} (${BT_HASH}${BT_DIRTY})\"
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")
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# write only when changed so incremental builds don't churn
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if(EXISTS "${OUT}")
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file(READ "${OUT}" OLD)
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else()
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set(OLD "")
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endif()
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if(NOT OLD STREQUAL CONTENT)
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file(WRITE "${OUT}" "${CONTENT}")
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endif()
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